diff options
104 files changed, 7990 insertions, 6538 deletions
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index 204ebdaadb45..101dde3eb1ea 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -183,26 +183,23 @@ Frame Buffer Compression (FBC) Display Refresh Rate Switching (DRRS) ------------------------------------- -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c :doc: Display Refresh Rate Switching (DRRS) -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c - :functions: intel_dp_set_drrs_state +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c + :functions: intel_drrs_enable -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c - :functions: intel_edp_drrs_enable +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c + :functions: intel_drrs_disable -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c - :functions: intel_edp_drrs_disable +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c + :functions: intel_drrs_invalidate -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c - :functions: intel_edp_drrs_invalidate +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c + :functions: intel_drrs_flush -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c - :functions: intel_edp_drrs_flush - -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c - :functions: intel_dp_drrs_init +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c + :functions: intel_drrs_init DPIO ---- diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 6d0f2c447f3b..4d0d1e8e51fa 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -130,6 +130,20 @@ u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SI } EXPORT_SYMBOL(drm_dp_get_adjust_request_pre_emphasis); +/* DP 2.0 128b/132b */ +u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE], + int lane) +{ + int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1); + int s = ((lane & 1) ? + DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT : + DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT); + u8 l = dp_link_status(link_status, i); + + return (l >> s) & 0xf; +} +EXPORT_SYMBOL(drm_dp_get_adjust_tx_ffe_preset); + u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE], unsigned int lane) { @@ -207,15 +221,33 @@ EXPORT_SYMBOL(drm_dp_lttpr_link_train_channel_eq_delay); u8 drm_dp_link_rate_to_bw_code(int link_rate) { - /* Spec says link_bw = link_rate / 0.27Gbps */ - return link_rate / 27000; + switch (link_rate) { + case 1000000: + return DP_LINK_BW_10; + case 1350000: + return DP_LINK_BW_13_5; + case 2000000: + return DP_LINK_BW_20; + default: + /* Spec says link_bw = link_rate / 0.27Gbps */ + return link_rate / 27000; + } } EXPORT_SYMBOL(drm_dp_link_rate_to_bw_code); int drm_dp_bw_code_to_link_rate(u8 link_bw) { - /* Spec says link_rate = link_bw * 0.27Gbps */ - return link_bw * 27000; + switch (link_bw) { + case DP_LINK_BW_10: + return 1000000; + case DP_LINK_BW_13_5: + return 1350000; + case DP_LINK_BW_20: + return 2000000; + default: + /* Spec says link_rate = link_bw * 0.27Gbps */ + return link_bw * 27000; + } } EXPORT_SYMBOL(drm_dp_bw_code_to_link_rate); @@ -590,7 +622,7 @@ static u8 drm_dp_downstream_port_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) static int drm_dp_read_extended_dpcd_caps(struct drm_dp_aux *aux, u8 dpcd[DP_RECEIVER_CAP_SIZE]) { - u8 dpcd_ext[6]; + u8 dpcd_ext[DP_RECEIVER_CAP_SIZE]; int ret; /* diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 9c9463ec5465..7aa2a56a71c8 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -28,6 +28,7 @@ * DEALINGS IN THE SOFTWARE. */ +#include <linux/bitfield.h> #include <linux/hdmi.h> #include <linux/i2c.h> #include <linux/kernel.h> @@ -49,6 +50,11 @@ (((edid)->version > (maj)) || \ ((edid)->version == (maj) && (edid)->revision > (min))) +static int oui(u8 first, u8 second, u8 third) +{ + return (first << 16) | (second << 8) | third; +} + #define EDID_EST_TIMINGS 16 #define EDID_STD_TIMINGS 8 #define EDID_DETAILED_TIMINGS 4 @@ -4187,32 +4193,24 @@ cea_db_offsets(const u8 *cea, int *start, int *end) static bool cea_db_is_hdmi_vsdb(const u8 *db) { - int hdmi_id; - if (cea_db_tag(db) != VENDOR_BLOCK) return false; if (cea_db_payload_len(db) < 5) return false; - hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16); - - return hdmi_id == HDMI_IEEE_OUI; + return oui(db[3], db[2], db[1]) == HDMI_IEEE_OUI; } static bool cea_db_is_hdmi_forum_vsdb(const u8 *db) { - unsigned int oui; - if (cea_db_tag(db) != VENDOR_BLOCK) return false; if (cea_db_payload_len(db) < 7) return false; - oui = db[3] << 16 | db[2] << 8 | db[1]; - - return oui == HDMI_FORUM_IEEE_OUI; + return oui(db[3], db[2], db[1]) == HDMI_FORUM_IEEE_OUI; } static bool cea_db_is_vcdb(const u8 *db) @@ -5222,6 +5220,71 @@ void drm_get_monitor_range(struct drm_connector *connector, info->monitor_range.max_vfreq); } +static void drm_parse_vesa_mso_data(struct drm_connector *connector, + const struct displayid_block *block) +{ + struct displayid_vesa_vendor_specific_block *vesa = + (struct displayid_vesa_vendor_specific_block *)block; + struct drm_display_info *info = &connector->display_info; + + if (block->num_bytes < 3) { + drm_dbg_kms(connector->dev, "Unexpected vendor block size %u\n", + block->num_bytes); + return; + } + + if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI) + return; + + if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) { + drm_dbg_kms(connector->dev, "Unexpected VESA vendor block size\n"); + return; + } + + switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) { + default: + drm_dbg_kms(connector->dev, "Reserved MSO mode value\n"); + fallthrough; + case 0: + info->mso_stream_count = 0; + break; + case 1: + info->mso_stream_count = 2; /* 2 or 4 links */ + break; + case 2: + info->mso_stream_count = 4; /* 4 links */ + break; + } + + if (!info->mso_stream_count) { + info->mso_pixel_overlap = 0; + return; + } + + info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso); + if (info->mso_pixel_overlap > 8) { + drm_dbg_kms(connector->dev, "Reserved MSO pixel overlap value %u\n", + info->mso_pixel_overlap); + info->mso_pixel_overlap = 8; + } + + drm_dbg_kms(connector->dev, "MSO stream count %u, pixel overlap %u\n", + info->mso_stream_count, info->mso_pixel_overlap); +} + +static void drm_update_mso(struct drm_connector *connector, const struct edid *edid) +{ + const struct displayid_block *block; + struct displayid_iter iter; + + displayid_iter_edid_begin(edid, &iter); + displayid_iter_for_each(block, &iter) { + if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC) + drm_parse_vesa_mso_data(connector, block); + } + displayid_iter_end(&iter); +} + /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset * all of the values which would have been set from EDID */ @@ -5245,6 +5308,9 @@ drm_reset_display_info(struct drm_connector *connector) info->non_desktop = 0; memset(&info->monitor_range, 0, sizeof(info->monitor_range)); + + info->mso_stream_count = 0; + info->mso_pixel_overlap = 0; } u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid) @@ -5323,6 +5389,9 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422) info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; + + drm_update_mso(connector, edid); + return quirks; } diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 335ba9f43d8f..9d371be7dc5c 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -211,6 +211,8 @@ i915-y += \ display/intel_dpio_phy.o \ display/intel_dpll.o \ display/intel_dpll_mgr.o \ + display/intel_dpt.o \ + display/intel_drrs.o \ display/intel_dsb.o \ display/intel_fb.o \ display/intel_fbc.o \ @@ -247,6 +249,7 @@ i915-y += \ display/g4x_dp.o \ display/g4x_hdmi.o \ display/icl_dsi.o \ + display/intel_backlight.o \ display/intel_crt.o \ display/intel_ddi.o \ display/intel_ddi_buf_trans.o \ diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c index de0f358184aa..60ae2ba52006 100644 --- a/drivers/gpu/drm/i915/display/g4x_dp.c +++ b/drivers/gpu/drm/i915/display/g4x_dp.c @@ -7,6 +7,7 @@ #include "g4x_dp.h" #include "intel_audio.h" +#include "intel_backlight.h" #include "intel_connector.h" #include "intel_de.h" #include "intel_display_types.h" @@ -16,7 +17,6 @@ #include "intel_fifo_underrun.h" #include "intel_hdmi.h" #include "intel_hotplug.h" -#include "intel_panel.h" #include "intel_pps.h" #include "intel_sideband.h" @@ -211,7 +211,7 @@ static void ilk_edp_pll_on(struct intel_dp *intel_dp, struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder); + assert_transcoder_disabled(dev_priv, pipe_config->cpu_transcoder); assert_dp_port_disabled(intel_dp); assert_edp_pll_disabled(dev_priv); @@ -251,7 +251,7 @@ static void ilk_edp_pll_off(struct intel_dp *intel_dp, struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - assert_pipe_disabled(dev_priv, old_crtc_state->cpu_transcoder); + assert_transcoder_disabled(dev_priv, old_crtc_state->cpu_transcoder); assert_dp_port_disabled(intel_dp); assert_edp_pll_enabled(dev_priv); @@ -426,7 +426,6 @@ intel_dp_link_down(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); enum port port = encoder->port; - u32 DP = intel_dp->DP; if (drm_WARN_ON(&dev_priv->drm, (intel_de_read(dev_priv, intel_dp->output_reg) & @@ -437,17 +436,17 @@ intel_dp_link_down(struct intel_encoder *encoder, if ((IS_IVYBRIDGE(dev_priv) && port == PORT_A) || (HAS_PCH_CPT(dev_priv) && port != PORT_A)) { - DP &= ~DP_LINK_TRAIN_MASK_CPT; - DP |= DP_LINK_TRAIN_PAT_IDLE_CPT; + intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT; + intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE_CPT; } else { - DP &= ~DP_LINK_TRAIN_MASK; - DP |= DP_LINK_TRAIN_PAT_IDLE; + intel_dp->DP &= ~DP_LINK_TRAIN_MASK; + intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE; } - intel_de_write(dev_priv, intel_dp->output_reg, DP); + intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); intel_de_posting_read(dev_priv, intel_dp->output_reg); - DP &= ~(DP_PORT_EN | DP_AUDIO_OUTPUT_ENABLE); - intel_de_write(dev_priv, intel_dp->output_reg, DP); + intel_dp->DP &= ~(DP_PORT_EN | DP_AUDIO_OUTPUT_ENABLE); + intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); intel_de_posting_read(dev_priv, intel_dp->output_reg); /* @@ -464,14 +463,14 @@ intel_dp_link_down(struct intel_encoder *encoder, intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false); /* always enable with pattern 1 (as per spec) */ - DP &= ~(DP_PIPE_SEL_MASK | DP_LINK_TRAIN_MASK); - DP |= DP_PORT_EN | DP_PIPE_SEL(PIPE_A) | + intel_dp->DP &= ~(DP_PIPE_SEL_MASK | DP_LINK_TRAIN_MASK); + intel_dp->DP |= DP_PORT_EN | DP_PIPE_SEL(PIPE_A) | DP_LINK_TRAIN_PAT_1; - intel_de_write(dev_priv, intel_dp->output_reg, DP); + intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); intel_de_posting_read(dev_priv, intel_dp->output_reg); - DP &= ~DP_PORT_EN; - intel_de_write(dev_priv, intel_dp->output_reg, DP); + intel_dp->DP &= ~DP_PORT_EN; + intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); intel_de_posting_read(dev_priv, intel_dp->output_reg); intel_wait_for_vblank_if_active(dev_priv, PIPE_A); @@ -481,8 +480,6 @@ intel_dp_link_down(struct intel_encoder *encoder, msleep(intel_dp->pps.panel_power_down_delay); - intel_dp->DP = DP; - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { intel_wakeref_t wakeref; @@ -582,19 +579,18 @@ cpt_set_link_train(struct intel_dp *intel_dp, u8 dp_train_pat) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 *DP = &intel_dp->DP; - *DP &= ~DP_LINK_TRAIN_MASK_CPT; + intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT; switch (intel_dp_training_pattern_symbol(dp_train_pat)) { case DP_TRAINING_PATTERN_DISABLE: - *DP |= DP_LINK_TRAIN_OFF_CPT; + intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT; break; case DP_TRAINING_PATTERN_1: - *DP |= DP_LINK_TRAIN_PAT_1_CPT; + intel_dp->DP |= DP_LINK_TRAIN_PAT_1_CPT; break; case DP_TRAINING_PATTERN_2: - *DP |= DP_LINK_TRAIN_PAT_2_CPT; + intel_dp->DP |= DP_LINK_TRAIN_PAT_2_CPT; break; default: MISSING_CASE(intel_dp_training_pattern_symbol(dp_train_pat)); @@ -611,19 +607,18 @@ g4x_set_link_train(struct intel_dp *intel_dp, u8 dp_train_pat) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 *DP = &intel_dp->DP; - *DP &= ~DP_LINK_TRAIN_MASK; + intel_dp->DP &= ~DP_LINK_TRAIN_MASK; switch (intel_dp_training_pattern_symbol(dp_train_pat)) { case DP_TRAINING_PATTERN_DISABLE: - *DP |= DP_LINK_TRAIN_OFF; + intel_dp->DP |= DP_LINK_TRAIN_OFF; break; case DP_TRAINING_PATTERN_1: - *DP |= DP_LINK_TRAIN_PAT_1; + intel_dp->DP |= DP_LINK_TRAIN_PAT_1; break; case DP_TRAINING_PATTERN_2: - *DP |= DP_LINK_TRAIN_PAT_2; + intel_dp->DP |= DP_LINK_TRAIN_PAT_2; break; default: MISSING_CASE(intel_dp_training_pattern_symbol(dp_train_pat)); @@ -813,10 +808,10 @@ static u8 intel_dp_preemph_max_3(struct intel_dp *intel_dp) return DP_TRAIN_PRE_EMPH_LEVEL_3; } -static void vlv_set_signal_levels(struct intel_dp *intel_dp, +static void vlv_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); unsigned long demph_reg_value, preemph_reg_value, uniqtranscale_reg_value; u8 train_set = intel_dp->train_set[0]; @@ -899,10 +894,10 @@ static void vlv_set_signal_levels(struct intel_dp *intel_dp, uniqtranscale_reg_value, 0); } -static void chv_set_signal_levels(struct intel_dp *intel_dp, +static void chv_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u32 deemph_reg_value, margin_reg_value; bool uniq_trans_scale = false; u8 train_set = intel_dp->train_set[0]; @@ -1020,10 +1015,11 @@ static u32 g4x_signal_levels(u8 train_set) } static void -g4x_set_signal_levels(struct intel_dp *intel_dp, +g4x_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 train_set = intel_dp->train_set[0]; u32 signal_levels; @@ -1067,10 +1063,11 @@ static u32 snb_cpu_edp_signal_levels(u8 train_set) } static void -snb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp, +snb_cpu_edp_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 train_set = intel_dp->train_set[0]; u32 signal_levels; @@ -1118,10 +1115,11 @@ static u32 ivb_cpu_edp_signal_levels(u8 train_set) } static void -ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp, +ivb_cpu_edp_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 train_set = intel_dp->train_set[0]; u32 signal_levels; @@ -1334,7 +1332,7 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, intel_encoder->get_config = intel_dp_get_config; intel_encoder->sync_state = intel_dp_sync_state; intel_encoder->initial_fastset_check = intel_dp_initial_fastset_check; - intel_encoder->update_pipe = intel_panel_update_backlight; + intel_encoder->update_pipe = intel_backlight_update; intel_encoder->suspend = intel_dp_encoder_suspend; intel_encoder->shutdown = intel_dp_encoder_shutdown; if (IS_CHERRYVIEW(dev_priv)) { @@ -1364,15 +1362,15 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, dig_port->dp.set_link_train = g4x_set_link_train; if (IS_CHERRYVIEW(dev_priv)) - dig_port->dp.set_signal_levels = chv_set_signal_levels; + intel_encoder->set_signal_levels = chv_set_signal_levels; else if (IS_VALLEYVIEW(dev_priv)) - dig_port->dp.set_signal_levels = vlv_set_signal_levels; + intel_encoder->set_signal_levels = vlv_set_signal_levels; else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A) - dig_port->dp.set_signal_levels = ivb_cpu_edp_set_signal_levels; + intel_encoder->set_signal_levels = ivb_cpu_edp_set_signal_levels; else if (IS_SANDYBRIDGE(dev_priv) && port == PORT_A) - dig_port->dp.set_signal_levels = snb_cpu_edp_set_signal_levels; + intel_encoder->set_signal_levels = snb_cpu_edp_set_signal_levels; else - dig_port->dp.set_signal_levels = g4x_set_signal_levels; + intel_encoder->set_signal_levels = g4x_set_signal_levels; if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv) || (HAS_PCH_SPLIT(dev_priv) && port != PORT_A)) { diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 43ec7fcd3f5d..9ee62707ec72 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -29,6 +29,7 @@ #include <drm/drm_mipi_dsi.h> #include "intel_atomic.h" +#include "intel_backlight.h" #include "intel_combo_phy.h" #include "intel_connector.h" #include "intel_crtc.h" @@ -54,20 +55,28 @@ static int payload_credits_available(struct drm_i915_private *dev_priv, >> FREE_PLOAD_CREDIT_SHIFT; } -static void wait_for_header_credits(struct drm_i915_private *dev_priv, - enum transcoder dsi_trans) +static bool wait_for_header_credits(struct drm_i915_private *dev_priv, + enum transcoder dsi_trans, int hdr_credit) { if (wait_for_us(header_credits_available(dev_priv, dsi_trans) >= - MAX_HEADER_CREDIT, 100)) + hdr_credit, 100)) { drm_err(&dev_priv->drm, "DSI header credits not released\n"); + return false; + } + + return true; } -static void wait_for_payload_credits(struct drm_i915_private *dev_priv, - enum transcoder dsi_trans) +static bool wait_for_payload_credits(struct drm_i915_private *dev_priv, + enum transcoder dsi_trans, int payld_credit) { if (wait_for_us(payload_credits_available(dev_priv, dsi_trans) >= - MAX_PLOAD_CREDIT, 100)) + payld_credit, 100)) { drm_err(&dev_priv->drm, "DSI payload credits not released\n"); + return false; + } + + return true; } static enum transcoder dsi_port_to_transcoder(enum port port) @@ -90,8 +99,8 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder) /* wait for header/payload credits to be released */ for_each_dsi_port(port, intel_dsi->ports) { dsi_trans = dsi_port_to_transcoder(port); - wait_for_header_credits(dev_priv, dsi_trans); - wait_for_payload_credits(dev_priv, dsi_trans); + wait_for_header_credits(dev_priv, dsi_trans, MAX_HEADER_CREDIT); + wait_for_payload_credits(dev_priv, dsi_trans, MAX_PLOAD_CREDIT); } /* send nop DCS command */ @@ -108,7 +117,7 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder) /* wait for header credits to be released */ for_each_dsi_port(port, intel_dsi->ports) { dsi_trans = dsi_port_to_transcoder(port); - wait_for_header_credits(dev_priv, dsi_trans); + wait_for_header_credits(dev_priv, dsi_trans, MAX_HEADER_CREDIT); } /* wait for LP TX in progress bit to be cleared */ @@ -120,54 +129,52 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder) } } -static bool add_payld_to_queue(struct intel_dsi_host *host, const u8 *data, - u32 len) +static int dsi_send_pkt_payld(struct intel_dsi_host *host, + const struct mipi_dsi_packet *packet) { struct intel_dsi *intel_dsi = host->intel_dsi; - struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev); + struct drm_i915_private *i915 = to_i915(intel_dsi->base.base.dev); enum transcoder dsi_trans = dsi_port_to_transcoder(host->port); - int free_credits; + const u8 *data = packet->payload; + u32 len = packet->payload_length; int i, j; + /* payload queue can accept *256 bytes*, check limit */ + if (len > MAX_PLOAD_CREDIT * 4) { + drm_err(&i915->drm, "payload size exceeds max queue limit\n"); + return -EINVAL; + } + for (i = 0; i < len; i += 4) { u32 tmp = 0; - free_credits = payload_credits_available(dev_priv, dsi_trans); - if (free_credits < 1) { - drm_err(&dev_priv->drm, - "Payload credit not available\n"); - return false; - } + if (!wait_for_payload_credits(i915, dsi_trans, 1)) + return -EBUSY; for (j = 0; j < min_t(u32, len - i, 4); j++) tmp |= *data++ << 8 * j; - intel_de_write(dev_priv, DSI_CMD_TXPYLD(dsi_trans), tmp); + intel_de_write(i915, DSI_CMD_TXPYLD(dsi_trans), tmp); } - return true; + return 0; } static int dsi_send_pkt_hdr(struct intel_dsi_host *host, - struct mipi_dsi_packet pkt, bool enable_lpdt) + const struct mipi_dsi_packet *packet, + bool enable_lpdt) { struct intel_dsi *intel_dsi = host->intel_dsi; struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev); enum transcoder dsi_trans = dsi_port_to_transcoder(host->port); u32 tmp; - int free_credits; - /* check if header credit available */ - free_credits = header_credits_available(dev_priv, dsi_trans); - if (free_credits < 1) { - drm_err(&dev_priv->drm, - "send pkt header failed, not enough hdr credits\n"); - return -1; - } + if (!wait_for_header_credits(dev_priv, dsi_trans, 1)) + return -EBUSY; tmp = intel_de_read(dev_priv, DSI_CMD_TXHDR(dsi_trans)); - if (pkt.payload) + if (packet->payload) tmp |= PAYLOAD_PRESENT; else tmp &= ~PAYLOAD_PRESENT; @@ -178,37 +185,15 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host, tmp |= LP_DATA_TRANSFER; tmp &= ~(PARAM_WC_MASK | VC_MASK | DT_MASK); - tmp |= ((pkt.header[0] & VC_MASK) << VC_SHIFT); - tmp |= ((pkt.header[0] & DT_MASK) << DT_SHIFT); - tmp |= (pkt.header[1] << PARAM_WC_LOWER_SHIFT); - tmp |= (pkt.header[2] << PARAM_WC_UPPER_SHIFT); + tmp |= ((packet->header[0] & VC_MASK) << VC_SHIFT); + tmp |= ((packet->header[0] & DT_MASK) << DT_SHIFT); + tmp |= (packet->header[1] << PARAM_WC_LOWER_SHIFT); + tmp |= (packet->header[2] << PARAM_WC_UPPER_SHIFT); intel_de_write(dev_priv, DSI_CMD_TXHDR(dsi_trans), tmp); return 0; } -static int dsi_send_pkt_payld(struct intel_dsi_host *host, - struct mipi_dsi_packet pkt) -{ - struct intel_dsi *intel_dsi = host->intel_dsi; - struct drm_i915_private *i915 = to_i915(intel_dsi->base.base.dev); - - /* payload queue can accept *256 bytes*, check limit */ - if (pkt.payload_length > MAX_PLOAD_CREDIT * 4) { - drm_err(&i915->drm, "payload size exceeds max queue limit\n"); - return -1; - } - - /* load data into command payload queue */ - if (!add_payld_to_queue(host, pkt.payload, - pkt.payload_length)) { - drm_err(&i915->drm, "adding payload to queue failed\n"); - return -1; - } - - return 0; -} - void icl_dsi_frame_update(struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -1270,6 +1255,26 @@ static void icl_apply_kvmr_pipe_a_wa(struct intel_encoder *encoder, IGNORE_KVMR_PIPE_A, enable ? IGNORE_KVMR_PIPE_A : 0); } + +/* + * Wa_16012360555:adl-p + * SW will have to program the "LP to HS Wakeup Guardband" + * to account for the repeaters on the HS Request/Ready + * PPI signaling between the Display engine and the DPHY. + */ +static void adlp_set_lp_hs_wakeup_gb(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); + enum port port; + + if (DISPLAY_VER(i915) == 13) { + for_each_dsi_port(port, intel_dsi->ports) + intel_de_rmw(i915, TGL_DSI_CHKN_REG(port), + TGL_DSI_CHKN_LSHS_GB, 0x4); + } +} + static void gen11_dsi_enable(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, @@ -1283,11 +1288,14 @@ static void gen11_dsi_enable(struct intel_atomic_state *state, /* Wa_1409054076:icl,jsl,ehl */ icl_apply_kvmr_pipe_a_wa(encoder, crtc->pipe, true); + /* Wa_16012360555:adl-p */ + adlp_set_lp_hs_wakeup_gb(encoder); + /* step6d: enable dsi transcoder */ gen11_dsi_enable_transcoder(encoder); /* step7: enable backlight */ - intel_panel_enable_backlight(crtc_state, conn_state); + intel_backlight_enable(crtc_state, conn_state); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); intel_crtc_vblank_on(crtc_state); @@ -1440,7 +1448,7 @@ static void gen11_dsi_disable(struct intel_atomic_state *state, /* step1: turn off backlight */ intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); - intel_panel_disable_backlight(old_conn_state); + intel_backlight_disable(old_conn_state); /* step2d,e: disable transcoder and wait */ gen11_dsi_disable_transcoder(encoder); @@ -1577,8 +1585,14 @@ static void gen11_dsi_sync_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc); - enum pipe pipe = intel_crtc->pipe; + struct intel_crtc *intel_crtc; + enum pipe pipe; + + if (!crtc_state) + return; + + intel_crtc = to_intel_crtc(crtc_state->uapi.crtc); + pipe = intel_crtc->pipe; /* wa verify 1409054076:icl,jsl,ehl */ if (DISPLAY_VER(dev_priv) == 11 && pipe == PIPE_B && @@ -1644,16 +1658,17 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi, base); struct intel_connector *intel_connector = intel_dsi->attached_connector; - const struct drm_display_mode *fixed_mode = - intel_connector->panel.fixed_mode; struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; int ret; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; - intel_fixed_panel_mode(fixed_mode, adjusted_mode); - ret = intel_pch_panel_fitting(pipe_config, conn_state); + ret = intel_panel_compute_config(intel_connector, adjusted_mode); + if (ret) + return ret; + + ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; @@ -1809,18 +1824,18 @@ static ssize_t gen11_dsi_host_transfer(struct mipi_dsi_host *host, if (msg->flags & MIPI_DSI_MSG_USE_LPM) enable_lpdt = true; - /* send packet header */ - ret = dsi_send_pkt_hdr(intel_dsi_host, dsi_pkt, enable_lpdt); - if (ret < 0) - return ret; - /* only long packet contains payload */ if (mipi_dsi_packet_format_is_long(msg->type)) { - ret = dsi_send_pkt_payld(intel_dsi_host, dsi_pkt); + ret = dsi_send_pkt_payld(intel_dsi_host, &dsi_pkt); if (ret < 0) return ret; } + /* send packet header */ + ret = dsi_send_pkt_hdr(intel_dsi_host, &dsi_pkt, enable_lpdt); + if (ret < 0) + return ret; + //TODO: add payload receive code if needed ret = sizeof(dsi_pkt.header) + dsi_pkt.payload_length; @@ -2008,7 +2023,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) encoder->port = port; encoder->get_config = gen11_dsi_get_config; encoder->sync_state = gen11_dsi_sync_state; - encoder->update_pipe = intel_panel_update_backlight; + encoder->update_pipe = intel_backlight_update; encoder->compute_config = gen11_dsi_compute_config; encoder->get_hw_state = gen11_dsi_get_hw_state; encoder->initial_fastset_check = gen11_dsi_initial_fastset_check; @@ -2042,7 +2057,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) } intel_panel_init(&intel_connector->panel, fixed_mode, NULL); - intel_panel_setup_backlight(connector, INVALID_PIPE); + intel_backlight_setup(intel_connector, INVALID_PIPE); if (dev_priv->vbt.dsi.config->dual_link) intel_dsi->ports = BIT(PORT_A) | BIT(PORT_B); diff --git a/drivers/gpu/drm/i915/display/intel_acpi.c b/drivers/gpu/drm/i915/display/intel_acpi.c index 7cfe91fc05f2..72cac55c0f0f 100644 --- a/drivers/gpu/drm/i915/display/intel_acpi.c +++ b/drivers/gpu/drm/i915/display/intel_acpi.c @@ -282,3 +282,49 @@ void intel_acpi_device_id_update(struct drm_i915_private *dev_priv) } drm_connector_list_iter_end(&conn_iter); } + +/* NOTE: The connector order must be final before this is called. */ +void intel_acpi_assign_connector_fwnodes(struct drm_i915_private *i915) +{ + struct drm_connector_list_iter conn_iter; + struct drm_device *drm_dev = &i915->drm; + struct fwnode_handle *fwnode = NULL; + struct drm_connector *connector; + struct acpi_device *adev; + + drm_connector_list_iter_begin(drm_dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) { + /* Always getting the next, even when the last was not used. */ + fwnode = device_get_next_child_node(drm_dev->dev, fwnode); + if (!fwnode) + break; + + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_LVDS: + case DRM_MODE_CONNECTOR_eDP: + case DRM_MODE_CONNECTOR_DSI: + /* + * Integrated displays have a specific address 0x1f on + * most Intel platforms, but not on all of them. + */ + adev = acpi_find_child_device(ACPI_COMPANION(drm_dev->dev), + 0x1f, 0); + if (adev) { + connector->fwnode = + fwnode_handle_get(acpi_fwnode_handle(adev)); + break; + } + fallthrough; + default: + connector->fwnode = fwnode_handle_get(fwnode); + break; + } + } + drm_connector_list_iter_end(&conn_iter); + /* + * device_get_next_child_node() takes a reference on the fwnode, if + * we stopped iterating because we are out of connectors we need to + * put this, otherwise fwnode is NULL and the put is a no-op. + */ + fwnode_handle_put(fwnode); +} diff --git a/drivers/gpu/drm/i915/display/intel_acpi.h b/drivers/gpu/drm/i915/display/intel_acpi.h index 9f197401c313..4a760a2baed9 100644 --- a/drivers/gpu/drm/i915/display/intel_acpi.h +++ b/drivers/gpu/drm/i915/display/intel_acpi.h @@ -13,6 +13,7 @@ void intel_register_dsm_handler(void); void intel_unregister_dsm_handler(void); void intel_dsm_get_bios_data_funcs_supported(struct drm_i915_private *i915); void intel_acpi_device_id_update(struct drm_i915_private *i915); +void intel_acpi_assign_connector_fwnodes(struct drm_i915_private *i915); #else static inline void intel_register_dsm_handler(void) { return; } static inline void intel_unregister_dsm_handler(void) { return; } @@ -20,6 +21,8 @@ static inline void intel_dsm_get_bios_data_funcs_supported(struct drm_i915_private *i915) { return; } static inline void intel_acpi_device_id_update(struct drm_i915_private *i915) { return; } +static inline +void intel_acpi_assign_connector_fwnodes(struct drm_i915_private *i915) { return; } #endif /* CONFIG_ACPI */ #endif /* __INTEL_ACPI_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index 532237588511..03e8c05a74f6 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -848,10 +848,10 @@ void intel_audio_codec_enable(struct intel_encoder *encoder, connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2; - if (dev_priv->display.audio_codec_enable) - dev_priv->display.audio_codec_enable(encoder, - crtc_state, - conn_state); + if (dev_priv->audio_funcs) + dev_priv->audio_funcs->audio_codec_enable(encoder, + crtc_state, + conn_state); mutex_lock(&dev_priv->av_mutex); encoder->audio_connector = connector; @@ -893,10 +893,10 @@ void intel_audio_codec_disable(struct intel_encoder *encoder, enum port port = encoder->port; enum pipe pipe = crtc->pipe; - if (dev_priv->display.audio_codec_disable) - dev_priv->display.audio_codec_disable(encoder, - old_crtc_state, - old_conn_state); + if (dev_priv->audio_funcs) + dev_priv->audio_funcs->audio_codec_disable(encoder, + old_crtc_state, + old_conn_state); mutex_lock(&dev_priv->av_mutex); encoder->audio_connector = NULL; @@ -915,6 +915,21 @@ void intel_audio_codec_disable(struct intel_encoder *encoder, intel_lpe_audio_notify(dev_priv, pipe, port, NULL, 0, false); } +static const struct intel_audio_funcs g4x_audio_funcs = { + .audio_codec_enable = g4x_audio_codec_enable, + .audio_codec_disable = g4x_audio_codec_disable, +}; + +static const struct intel_audio_funcs ilk_audio_funcs = { + .audio_codec_enable = ilk_audio_codec_enable, + .audio_codec_disable = ilk_audio_codec_disable, +}; + +static const struct intel_audio_funcs hsw_audio_funcs = { + .audio_codec_enable = hsw_audio_codec_enable, + .audio_codec_disable = hsw_audio_codec_disable, +}; + /** * intel_init_audio_hooks - Set up chip specific audio hooks * @dev_priv: device private @@ -922,17 +937,13 @@ void intel_audio_codec_disable(struct intel_encoder *encoder, void intel_init_audio_hooks(struct drm_i915_private *dev_priv) { if (IS_G4X(dev_priv)) { - dev_priv->display.audio_codec_enable = g4x_audio_codec_enable; - dev_priv->display.audio_codec_disable = g4x_audio_codec_disable; + dev_priv->audio_funcs = &g4x_audio_funcs; } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - dev_priv->display.audio_codec_enable = ilk_audio_codec_enable; - dev_priv->display.audio_codec_disable = ilk_audio_codec_disable; + dev_priv->audio_funcs = &ilk_audio_funcs; } else if (IS_HASWELL(dev_priv) || DISPLAY_VER(dev_priv) >= 8) { - dev_priv->display.audio_codec_enable = hsw_audio_codec_enable; - dev_priv->display.audio_codec_disable = hsw_audio_codec_disable; + dev_priv->audio_funcs = &hsw_audio_funcs; } else if (HAS_PCH_SPLIT(dev_priv)) { - dev_priv->display.audio_codec_enable = ilk_audio_codec_enable; - dev_priv->display.audio_codec_disable = ilk_audio_codec_disable; + dev_priv->audio_funcs = &ilk_audio_funcs; } } @@ -1308,8 +1319,9 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv) else aud_freq = aud_freq_init; - /* use BIOS provided value for TGL unless it is a known bad value */ - if (IS_TIGERLAKE(dev_priv) && aud_freq_init != AUD_FREQ_TGL_BROKEN) + /* use BIOS provided value for TGL and RKL unless it is a known bad value */ + if ((IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv)) && + aud_freq_init != AUD_FREQ_TGL_BROKEN) aud_freq = aud_freq_init; drm_dbg_kms(&dev_priv->drm, "use AUD_FREQ_CNTRL of 0x%x (init value 0x%x)\n", diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c new file mode 100644 index 000000000000..9523411cddd8 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_backlight.c @@ -0,0 +1,1776 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2021 Intel Corporation + */ + +#include <linux/kernel.h> +#include <linux/pwm.h> + +#include "intel_backlight.h" +#include "intel_connector.h" +#include "intel_de.h" +#include "intel_display_types.h" +#include "intel_dp_aux_backlight.h" +#include "intel_dsi_dcs_backlight.h" +#include "intel_panel.h" + +/** + * scale - scale values from one range to another + * @source_val: value in range [@source_min..@source_max] + * @source_min: minimum legal value for @source_val + * @source_max: maximum legal value for @source_val + * @target_min: corresponding target value for @source_min + * @target_max: corresponding target value for @source_max + * + * Return @source_val in range [@source_min..@source_max] scaled to range + * [@target_min..@target_max]. + */ +static u32 scale(u32 source_val, + u32 source_min, u32 source_max, + u32 target_min, u32 target_max) +{ + u64 target_val; + + WARN_ON(source_min > source_max); + WARN_ON(target_min > target_max); + + /* defensive */ + source_val = clamp(source_val, source_min, source_max); + + /* avoid overflows */ + target_val = mul_u32_u32(source_val - source_min, + target_max - target_min); + target_val = DIV_ROUND_CLOSEST_ULL(target_val, source_max - source_min); + target_val += target_min; + + return target_val; +} + +/* + * Scale user_level in range [0..user_max] to [0..hw_max], clamping the result + * to [hw_min..hw_max]. + */ +static u32 clamp_user_to_hw(struct intel_connector *connector, + u32 user_level, u32 user_max) +{ + struct intel_panel *panel = &connector->panel; + u32 hw_level; + + hw_level = scale(user_level, 0, user_max, 0, panel->backlight.max); + hw_level = clamp(hw_level, panel->backlight.min, panel->backlight.max); + + return hw_level; +} + +/* Scale hw_level in range [hw_min..hw_max] to [0..user_max]. */ +static u32 scale_hw_to_user(struct intel_connector *connector, + u32 hw_level, u32 user_max) +{ + struct intel_panel *panel = &connector->panel; + + return scale(hw_level, panel->backlight.min, panel->backlight.max, + 0, user_max); +} + +u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 val) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + drm_WARN_ON(&dev_priv->drm, panel->backlight.pwm_level_max == 0); + + if (dev_priv->params.invert_brightness < 0) + return val; + + if (dev_priv->params.invert_brightness > 0 || + dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS) { + return panel->backlight.pwm_level_max - val + panel->backlight.pwm_level_min; + } + + return val; +} + +void intel_backlight_set_pwm_level(const struct drm_connector_state *conn_state, u32 val) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *i915 = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + drm_dbg_kms(&i915->drm, "set backlight PWM = %d\n", val); + panel->backlight.pwm_funcs->set(conn_state, val); +} + +u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 val) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + drm_WARN_ON_ONCE(&dev_priv->drm, + panel->backlight.max == 0 || panel->backlight.pwm_level_max == 0); + + val = scale(val, panel->backlight.min, panel->backlight.max, + panel->backlight.pwm_level_min, panel->backlight.pwm_level_max); + + return intel_backlight_invert_pwm_level(connector, val); +} + +u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + drm_WARN_ON_ONCE(&dev_priv->drm, + panel->backlight.max == 0 || panel->backlight.pwm_level_max == 0); + + if (dev_priv->params.invert_brightness > 0 || + (dev_priv->params.invert_brightness == 0 && dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS)) + val = panel->backlight.pwm_level_max - (val - panel->backlight.pwm_level_min); + + return scale(val, panel->backlight.pwm_level_min, panel->backlight.pwm_level_max, + panel->backlight.min, panel->backlight.max); +} + +static u32 lpt_get_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + return intel_de_read(dev_priv, BLC_PWM_PCH_CTL2) & BACKLIGHT_DUTY_CYCLE_MASK; +} + +static u32 pch_get_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + return intel_de_read(dev_priv, BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; +} + +static u32 i9xx_get_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 val; + + val = intel_de_read(dev_priv, BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; + if (DISPLAY_VER(dev_priv) < 4) + val >>= 1; + + if (panel->backlight.combination_mode) { + u8 lbpc; + + pci_read_config_byte(to_pci_dev(dev_priv->drm.dev), LBPC, &lbpc); + val *= lbpc; + } + + return val; +} + +static u32 vlv_get_backlight(struct intel_connector *connector, enum pipe pipe) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + if (drm_WARN_ON(&dev_priv->drm, pipe != PIPE_A && pipe != PIPE_B)) + return 0; + + return intel_de_read(dev_priv, VLV_BLC_PWM_CTL(pipe)) & BACKLIGHT_DUTY_CYCLE_MASK; +} + +static u32 bxt_get_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + return intel_de_read(dev_priv, + BXT_BLC_PWM_DUTY(panel->backlight.controller)); +} + +static u32 ext_pwm_get_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct intel_panel *panel = &connector->panel; + struct pwm_state state; + + pwm_get_state(panel->backlight.pwm, &state); + return pwm_get_relative_duty_cycle(&state, 100); +} + +static void lpt_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + u32 val = intel_de_read(dev_priv, BLC_PWM_PCH_CTL2) & ~BACKLIGHT_DUTY_CYCLE_MASK; + intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, val | level); +} + +static void pch_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + u32 tmp; + + tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; + intel_de_write(dev_priv, BLC_PWM_CPU_CTL, tmp | level); +} + +static void i9xx_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 tmp, mask; + + drm_WARN_ON(&dev_priv->drm, panel->backlight.pwm_level_max == 0); + + if (panel->backlight.combination_mode) { + u8 lbpc; + + lbpc = level * 0xfe / panel->backlight.pwm_level_max + 1; + level /= lbpc; + pci_write_config_byte(to_pci_dev(dev_priv->drm.dev), LBPC, lbpc); + } + + if (DISPLAY_VER(dev_priv) == 4) { + mask = BACKLIGHT_DUTY_CYCLE_MASK; + } else { + level <<= 1; + mask = BACKLIGHT_DUTY_CYCLE_MASK_PNV; + } + + tmp = intel_de_read(dev_priv, BLC_PWM_CTL) & ~mask; + intel_de_write(dev_priv, BLC_PWM_CTL, tmp | level); +} + +static void vlv_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + enum pipe pipe = to_intel_crtc(conn_state->crtc)->pipe; + u32 tmp; + + tmp = intel_de_read(dev_priv, VLV_BLC_PWM_CTL(pipe)) & ~BACKLIGHT_DUTY_CYCLE_MASK; + intel_de_write(dev_priv, VLV_BLC_PWM_CTL(pipe), tmp | level); +} + +static void bxt_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + intel_de_write(dev_priv, + BXT_BLC_PWM_DUTY(panel->backlight.controller), level); +} + +static void ext_pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel; + + pwm_set_relative_duty_cycle(&panel->backlight.pwm_state, level, 100); + pwm_apply_state(panel->backlight.pwm, &panel->backlight.pwm_state); +} + +static void +intel_panel_actually_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *i915 = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + drm_dbg_kms(&i915->drm, "set backlight level = %d\n", level); + + panel->backlight.funcs->set(conn_state, level); +} + +/* set backlight brightness to level in range [0..max], assuming hw min is + * respected. + */ +void intel_backlight_set_acpi(const struct drm_connector_state *conn_state, + u32 user_level, u32 user_max) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 hw_level; + + /* + * Lack of crtc may occur during driver init because + * connection_mutex isn't held across the entire backlight + * setup + modeset readout, and the BIOS can issue the + * requests at any time. + */ + if (!panel->backlight.present || !conn_state->crtc) + return; + + mutex_lock(&dev_priv->backlight_lock); + + drm_WARN_ON(&dev_priv->drm, panel->backlight.max == 0); + + hw_level = clamp_user_to_hw(connector, user_level, user_max); + panel->backlight.level = hw_level; + + if (panel->backlight.device) + panel->backlight.device->props.brightness = + scale_hw_to_user(connector, + panel->backlight.level, + panel->backlight.device->props.max_brightness); + + if (panel->backlight.enabled) + intel_panel_actually_set_backlight(conn_state, hw_level); + + mutex_unlock(&dev_priv->backlight_lock); +} + +static void lpt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + u32 tmp; + + intel_backlight_set_pwm_level(old_conn_state, level); + + /* + * Although we don't support or enable CPU PWM with LPT/SPT based + * systems, it may have been enabled prior to loading the + * driver. Disable to avoid warnings on LCPLL disable. + * + * This needs rework if we need to add support for CPU PWM on PCH split + * platforms. + */ + tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); + if (tmp & BLM_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, + "cpu backlight was enabled, disabling\n"); + intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, + tmp & ~BLM_PWM_ENABLE); + } + + tmp = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); +} + +static void pch_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + u32 tmp; + + intel_backlight_set_pwm_level(old_conn_state, val); + + tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); + intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, tmp & ~BLM_PWM_ENABLE); + + tmp = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); +} + +static void i9xx_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) +{ + intel_backlight_set_pwm_level(old_conn_state, val); +} + +static void i965_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) +{ + struct drm_i915_private *dev_priv = to_i915(old_conn_state->connector->dev); + u32 tmp; + + intel_backlight_set_pwm_level(old_conn_state, val); + + tmp = intel_de_read(dev_priv, BLC_PWM_CTL2); + intel_de_write(dev_priv, BLC_PWM_CTL2, tmp & ~BLM_PWM_ENABLE); +} + +static void vlv_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + enum pipe pipe = to_intel_crtc(old_conn_state->crtc)->pipe; + u32 tmp; + + intel_backlight_set_pwm_level(old_conn_state, val); + + tmp = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); + intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), + tmp & ~BLM_PWM_ENABLE); +} + +static void bxt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 tmp; + + intel_backlight_set_pwm_level(old_conn_state, val); + + tmp = intel_de_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), + tmp & ~BXT_BLC_PWM_ENABLE); + + if (panel->backlight.controller == 1) { + val = intel_de_read(dev_priv, UTIL_PIN_CTL); + val &= ~UTIL_PIN_ENABLE; + intel_de_write(dev_priv, UTIL_PIN_CTL, val); + } +} + +static void cnp_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 tmp; + + intel_backlight_set_pwm_level(old_conn_state, val); + + tmp = intel_de_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), + tmp & ~BXT_BLC_PWM_ENABLE); +} + +static void ext_pwm_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct intel_panel *panel = &connector->panel; + + panel->backlight.pwm_state.enabled = false; + pwm_apply_state(panel->backlight.pwm, &panel->backlight.pwm_state); +} + +void intel_backlight_disable(const struct drm_connector_state *old_conn_state) +{ + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + if (!panel->backlight.present) + return; + + /* + * Do not disable backlight on the vga_switcheroo path. When switching + * away from i915, the other client may depend on i915 to handle the + * backlight. This will leave the backlight on unnecessarily when + * another client is not activated. + */ + if (dev_priv->drm.switch_power_state == DRM_SWITCH_POWER_CHANGING) { + drm_dbg_kms(&dev_priv->drm, + "Skipping backlight disable on vga switch\n"); + return; + } + + mutex_lock(&dev_priv->backlight_lock); + + if (panel->backlight.device) + panel->backlight.device->props.power = FB_BLANK_POWERDOWN; + panel->backlight.enabled = false; + panel->backlight.funcs->disable(old_conn_state, 0); + + mutex_unlock(&dev_priv->backlight_lock); +} + +static void lpt_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 pch_ctl1, pch_ctl2, schicken; + + pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); + if (pch_ctl1 & BLM_PCH_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "pch backlight already enabled\n"); + pch_ctl1 &= ~BLM_PCH_PWM_ENABLE; + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); + } + + if (HAS_PCH_LPT(dev_priv)) { + schicken = intel_de_read(dev_priv, SOUTH_CHICKEN2); + if (panel->backlight.alternate_pwm_increment) + schicken |= LPT_PWM_GRANULARITY; + else + schicken &= ~LPT_PWM_GRANULARITY; + intel_de_write(dev_priv, SOUTH_CHICKEN2, schicken); + } else { + schicken = intel_de_read(dev_priv, SOUTH_CHICKEN1); + if (panel->backlight.alternate_pwm_increment) + schicken |= SPT_PWM_GRANULARITY; + else + schicken &= ~SPT_PWM_GRANULARITY; + intel_de_write(dev_priv, SOUTH_CHICKEN1, schicken); + } + + pch_ctl2 = panel->backlight.pwm_level_max << 16; + intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, pch_ctl2); + + pch_ctl1 = 0; + if (panel->backlight.active_low_pwm) + pch_ctl1 |= BLM_PCH_POLARITY; + + /* After LPT, override is the default. */ + if (HAS_PCH_LPT(dev_priv)) + pch_ctl1 |= BLM_PCH_OVERRIDE_ENABLE; + + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); + intel_de_posting_read(dev_priv, BLC_PWM_PCH_CTL1); + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, + pch_ctl1 | BLM_PCH_PWM_ENABLE); + + /* This won't stick until the above enable. */ + intel_backlight_set_pwm_level(conn_state, level); +} + +static void pch_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 cpu_ctl2, pch_ctl1, pch_ctl2; + + cpu_ctl2 = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); + if (cpu_ctl2 & BLM_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "cpu backlight already enabled\n"); + cpu_ctl2 &= ~BLM_PWM_ENABLE; + intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2); + } + + pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); + if (pch_ctl1 & BLM_PCH_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "pch backlight already enabled\n"); + pch_ctl1 &= ~BLM_PCH_PWM_ENABLE; + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); + } + + if (cpu_transcoder == TRANSCODER_EDP) + cpu_ctl2 = BLM_TRANSCODER_EDP; + else + cpu_ctl2 = BLM_PIPE(cpu_transcoder); + intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2); + intel_de_posting_read(dev_priv, BLC_PWM_CPU_CTL2); + intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2 | BLM_PWM_ENABLE); + + /* This won't stick until the above enable. */ + intel_backlight_set_pwm_level(conn_state, level); + + pch_ctl2 = panel->backlight.pwm_level_max << 16; + intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, pch_ctl2); + + pch_ctl1 = 0; + if (panel->backlight.active_low_pwm) + pch_ctl1 |= BLM_PCH_POLARITY; + + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); + intel_de_posting_read(dev_priv, BLC_PWM_PCH_CTL1); + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, + pch_ctl1 | BLM_PCH_PWM_ENABLE); +} + +static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 ctl, freq; + + ctl = intel_de_read(dev_priv, BLC_PWM_CTL); + if (ctl & BACKLIGHT_DUTY_CYCLE_MASK_PNV) { + drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); + intel_de_write(dev_priv, BLC_PWM_CTL, 0); + } + + freq = panel->backlight.pwm_level_max; + if (panel->backlight.combination_mode) + freq /= 0xff; + + ctl = freq << 17; + if (panel->backlight.combination_mode) + ctl |= BLM_LEGACY_MODE; + if (IS_PINEVIEW(dev_priv) && panel->backlight.active_low_pwm) + ctl |= BLM_POLARITY_PNV; + + intel_de_write(dev_priv, BLC_PWM_CTL, ctl); + intel_de_posting_read(dev_priv, BLC_PWM_CTL); + + /* XXX: combine this into above write? */ + intel_backlight_set_pwm_level(conn_state, level); + + /* + * Needed to enable backlight on some 855gm models. BLC_HIST_CTL is + * 855gm only, but checking for gen2 is safe, as 855gm is the only gen2 + * that has backlight. + */ + if (DISPLAY_VER(dev_priv) == 2) + intel_de_write(dev_priv, BLC_HIST_CTL, BLM_HISTOGRAM_ENABLE); +} + +static void i965_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + enum pipe pipe = to_intel_crtc(conn_state->crtc)->pipe; + u32 ctl, ctl2, freq; + + ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2); + if (ctl2 & BLM_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); + ctl2 &= ~BLM_PWM_ENABLE; + intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2); + } + + freq = panel->backlight.pwm_level_max; + if (panel->backlight.combination_mode) + freq /= 0xff; + + ctl = freq << 16; + intel_de_write(dev_priv, BLC_PWM_CTL, ctl); + + ctl2 = BLM_PIPE(pipe); + if (panel->backlight.combination_mode) + ctl2 |= BLM_COMBINATION_MODE; + if (panel->backlight.active_low_pwm) + ctl2 |= BLM_POLARITY_I965; + intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2); + intel_de_posting_read(dev_priv, BLC_PWM_CTL2); + intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE); + + intel_backlight_set_pwm_level(conn_state, level); +} + +static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; + u32 ctl, ctl2; + + ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); + if (ctl2 & BLM_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); + ctl2 &= ~BLM_PWM_ENABLE; + intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2); + } + + ctl = panel->backlight.pwm_level_max << 16; + intel_de_write(dev_priv, VLV_BLC_PWM_CTL(pipe), ctl); + + /* XXX: combine this into above write? */ + intel_backlight_set_pwm_level(conn_state, level); + + ctl2 = 0; + if (panel->backlight.active_low_pwm) + ctl2 |= BLM_POLARITY_I965; + intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2); + intel_de_posting_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); + intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), + ctl2 | BLM_PWM_ENABLE); +} + +static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; + u32 pwm_ctl, val; + + /* Controller 1 uses the utility pin. */ + if (panel->backlight.controller == 1) { + val = intel_de_read(dev_priv, UTIL_PIN_CTL); + if (val & UTIL_PIN_ENABLE) { + drm_dbg_kms(&dev_priv->drm, + "util pin already enabled\n"); + val &= ~UTIL_PIN_ENABLE; + intel_de_write(dev_priv, UTIL_PIN_CTL, val); + } + + val = 0; + if (panel->backlight.util_pin_active_low) + val |= UTIL_PIN_POLARITY; + intel_de_write(dev_priv, UTIL_PIN_CTL, + val | UTIL_PIN_PIPE(pipe) | UTIL_PIN_MODE_PWM | UTIL_PIN_ENABLE); + } + + pwm_ctl = intel_de_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + if (pwm_ctl & BXT_BLC_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); + pwm_ctl &= ~BXT_BLC_PWM_ENABLE; + intel_de_write(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller), + pwm_ctl); + } + + intel_de_write(dev_priv, + BXT_BLC_PWM_FREQ(panel->backlight.controller), + panel->backlight.pwm_level_max); + + intel_backlight_set_pwm_level(conn_state, level); + + pwm_ctl = 0; + if (panel->backlight.active_low_pwm) + pwm_ctl |= BXT_BLC_PWM_POLARITY; + + intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), + pwm_ctl); + intel_de_posting_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), + pwm_ctl | BXT_BLC_PWM_ENABLE); +} + +static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 pwm_ctl; + + pwm_ctl = intel_de_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + if (pwm_ctl & BXT_BLC_PWM_ENABLE) { + drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); + pwm_ctl &= ~BXT_BLC_PWM_ENABLE; + intel_de_write(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller), + pwm_ctl); + } + + intel_de_write(dev_priv, + BXT_BLC_PWM_FREQ(panel->backlight.controller), + panel->backlight.pwm_level_max); + + intel_backlight_set_pwm_level(conn_state, level); + + pwm_ctl = 0; + if (panel->backlight.active_low_pwm) + pwm_ctl |= BXT_BLC_PWM_POLARITY; + + intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), + pwm_ctl); + intel_de_posting_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), + pwm_ctl | BXT_BLC_PWM_ENABLE); +} + +static void ext_pwm_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct intel_panel *panel = &connector->panel; + + pwm_set_relative_duty_cycle(&panel->backlight.pwm_state, level, 100); + panel->backlight.pwm_state.enabled = true; + pwm_apply_state(panel->backlight.pwm, &panel->backlight.pwm_state); +} + +static void __intel_backlight_enable(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct intel_panel *panel = &connector->panel; + + WARN_ON(panel->backlight.max == 0); + + if (panel->backlight.level <= panel->backlight.min) { + panel->backlight.level = panel->backlight.max; + if (panel->backlight.device) + panel->backlight.device->props.brightness = + scale_hw_to_user(connector, + panel->backlight.level, + panel->backlight.device->props.max_brightness); + } + + panel->backlight.funcs->enable(crtc_state, conn_state, panel->backlight.level); + panel->backlight.enabled = true; + if (panel->backlight.device) + panel->backlight.device->props.power = FB_BLANK_UNBLANK; +} + +void intel_backlight_enable(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; + + if (!panel->backlight.present) + return; + + drm_dbg_kms(&dev_priv->drm, "pipe %c\n", pipe_name(pipe)); + + mutex_lock(&dev_priv->backlight_lock); + + __intel_backlight_enable(crtc_state, conn_state); + + mutex_unlock(&dev_priv->backlight_lock); +} + +#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) +static u32 intel_panel_get_backlight(struct intel_connector *connector) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 val = 0; + + mutex_lock(&dev_priv->backlight_lock); + + if (panel->backlight.enabled) + val = panel->backlight.funcs->get(connector, intel_connector_get_pipe(connector)); + + mutex_unlock(&dev_priv->backlight_lock); + + drm_dbg_kms(&dev_priv->drm, "get backlight PWM = %d\n", val); + return val; +} + +/* Scale user_level in range [0..user_max] to [hw_min..hw_max]. */ +static u32 scale_user_to_hw(struct intel_connector *connector, + u32 user_level, u32 user_max) +{ + struct intel_panel *panel = &connector->panel; + + return scale(user_level, 0, user_max, + panel->backlight.min, panel->backlight.max); +} + +/* set backlight brightness to level in range [0..max], scaling wrt hw min */ +static void intel_panel_set_backlight(const struct drm_connector_state *conn_state, + u32 user_level, u32 user_max) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 hw_level; + + if (!panel->backlight.present) + return; + + mutex_lock(&dev_priv->backlight_lock); + + drm_WARN_ON(&dev_priv->drm, panel->backlight.max == 0); + + hw_level = scale_user_to_hw(connector, user_level, user_max); + panel->backlight.level = hw_level; + + if (panel->backlight.enabled) + intel_panel_actually_set_backlight(conn_state, hw_level); + + mutex_unlock(&dev_priv->backlight_lock); +} + +static int intel_backlight_device_update_status(struct backlight_device *bd) +{ + struct intel_connector *connector = bl_get_data(bd); + struct intel_panel *panel = &connector->panel; + struct drm_device *dev = connector->base.dev; + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + DRM_DEBUG_KMS("updating intel_backlight, brightness=%d/%d\n", + bd->props.brightness, bd->props.max_brightness); + intel_panel_set_backlight(connector->base.state, bd->props.brightness, + bd->props.max_brightness); + + /* + * Allow flipping bl_power as a sub-state of enabled. Sadly the + * backlight class device does not make it easy to differentiate + * between callbacks for brightness and bl_power, so our backlight_power + * callback needs to take this into account. + */ + if (panel->backlight.enabled) { + if (panel->backlight.power) { + bool enable = bd->props.power == FB_BLANK_UNBLANK && + bd->props.brightness != 0; + panel->backlight.power(connector, enable); + } + } else { + bd->props.power = FB_BLANK_POWERDOWN; + } + + drm_modeset_unlock(&dev->mode_config.connection_mutex); + return 0; +} + +static int intel_backlight_device_get_brightness(struct backlight_device *bd) +{ + struct intel_connector *connector = bl_get_data(bd); + struct drm_device *dev = connector->base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); + intel_wakeref_t wakeref; + int ret = 0; + + with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) { + u32 hw_level; + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + + hw_level = intel_panel_get_backlight(connector); + ret = scale_hw_to_user(connector, + hw_level, bd->props.max_brightness); + + drm_modeset_unlock(&dev->mode_config.connection_mutex); + } + + return ret; +} + +static const struct backlight_ops intel_backlight_device_ops = { + .update_status = intel_backlight_device_update_status, + .get_brightness = intel_backlight_device_get_brightness, +}; + +int intel_backlight_device_register(struct intel_connector *connector) +{ + struct drm_i915_private *i915 = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + struct backlight_properties props; + struct backlight_device *bd; + const char *name; + int ret = 0; + + if (WARN_ON(panel->backlight.device)) + return -ENODEV; + + if (!panel->backlight.present) + return 0; + + WARN_ON(panel->backlight.max == 0); + + memset(&props, 0, sizeof(props)); + props.type = BACKLIGHT_RAW; + + /* + * Note: Everything should work even if the backlight device max + * presented to the userspace is arbitrarily chosen. + */ + props.max_brightness = panel->backlight.max; + props.brightness = scale_hw_to_user(connector, + panel->backlight.level, + props.max_brightness); + + if (panel->backlight.enabled) + props.power = FB_BLANK_UNBLANK; + else + props.power = FB_BLANK_POWERDOWN; + + name = kstrdup("intel_backlight", GFP_KERNEL); + if (!name) + return -ENOMEM; + + bd = backlight_device_register(name, connector->base.kdev, connector, + &intel_backlight_device_ops, &props); + + /* + * Using the same name independent of the drm device or connector + * prevents registration of multiple backlight devices in the + * driver. However, we need to use the default name for backward + * compatibility. Use unique names for subsequent backlight devices as a + * fallback when the default name already exists. + */ + if (IS_ERR(bd) && PTR_ERR(bd) == -EEXIST) { + kfree(name); + name = kasprintf(GFP_KERNEL, "card%d-%s-backlight", + i915->drm.primary->index, connector->base.name); + if (!name) + return -ENOMEM; + + bd = backlight_device_register(name, connector->base.kdev, connector, + &intel_backlight_device_ops, &props); + } + + if (IS_ERR(bd)) { + drm_err(&i915->drm, + "[CONNECTOR:%d:%s] backlight device %s register failed: %ld\n", + connector->base.base.id, connector->base.name, name, PTR_ERR(bd)); + ret = PTR_ERR(bd); + goto out; + } + + panel->backlight.device = bd; + + drm_dbg_kms(&i915->drm, + "[CONNECTOR:%d:%s] backlight device %s registered\n", + connector->base.base.id, connector->base.name, name); + +out: + kfree(name); + + return ret; +} + +void intel_backlight_device_unregister(struct intel_connector *connector) +{ + struct intel_panel *panel = &connector->panel; + + if (panel->backlight.device) { + backlight_device_unregister(panel->backlight.device); + panel->backlight.device = NULL; + } +} +#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ + +/* + * CNP: PWM clock frequency is 19.2 MHz or 24 MHz. + * PWM increment = 1 + */ +static u32 cnp_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + return DIV_ROUND_CLOSEST(KHz(RUNTIME_INFO(dev_priv)->rawclk_freq), + pwm_freq_hz); +} + +/* + * BXT: PWM clock frequency = 19.2 MHz. + */ +static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + return DIV_ROUND_CLOSEST(KHz(19200), pwm_freq_hz); +} + +/* + * SPT: This value represents the period of the PWM stream in clock periods + * multiplied by 16 (default increment) or 128 (alternate increment selected in + * SCHICKEN_1 bit 0). PWM clock is 24 MHz. + */ +static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct intel_panel *panel = &connector->panel; + u32 mul; + + if (panel->backlight.alternate_pwm_increment) + mul = 128; + else + mul = 16; + + return DIV_ROUND_CLOSEST(MHz(24), pwm_freq_hz * mul); +} + +/* + * LPT: This value represents the period of the PWM stream in clock periods + * multiplied by 128 (default increment) or 16 (alternate increment, selected in + * LPT SOUTH_CHICKEN2 register bit 5). + */ +static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 mul, clock; + + if (panel->backlight.alternate_pwm_increment) + mul = 16; + else + mul = 128; + + if (HAS_PCH_LPT_H(dev_priv)) + clock = MHz(135); /* LPT:H */ + else + clock = MHz(24); /* LPT:LP */ + + return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * mul); +} + +/* + * ILK/SNB/IVB: This value represents the period of the PWM stream in PCH + * display raw clocks multiplied by 128. + */ +static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + return DIV_ROUND_CLOSEST(KHz(RUNTIME_INFO(dev_priv)->rawclk_freq), + pwm_freq_hz * 128); +} + +/* + * Gen2: This field determines the number of time base events (display core + * clock frequency/32) in total for a complete cycle of modulated backlight + * control. + * + * Gen3: A time base event equals the display core clock ([DevPNV] HRAW clock) + * divided by 32. + */ +static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + int clock; + + if (IS_PINEVIEW(dev_priv)) + clock = KHz(RUNTIME_INFO(dev_priv)->rawclk_freq); + else + clock = KHz(dev_priv->cdclk.hw.cdclk); + + return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * 32); +} + +/* + * Gen4: This value represents the period of the PWM stream in display core + * clocks ([DevCTG] HRAW clocks) multiplied by 128. + * + */ +static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + int clock; + + if (IS_G4X(dev_priv)) + clock = KHz(RUNTIME_INFO(dev_priv)->rawclk_freq); + else + clock = KHz(dev_priv->cdclk.hw.cdclk); + + return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * 128); +} + +/* + * VLV: This value represents the period of the PWM stream in display core + * clocks ([DevCTG] 200MHz HRAW clocks) multiplied by 128 or 25MHz S0IX clocks + * multiplied by 16. CHV uses a 19.2MHz S0IX clock. + */ +static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + int mul, clock; + + if ((intel_de_read(dev_priv, CBR1_VLV) & CBR_PWM_CLOCK_MUX_SELECT) == 0) { + if (IS_CHERRYVIEW(dev_priv)) + clock = KHz(19200); + else + clock = MHz(25); + mul = 16; + } else { + clock = KHz(RUNTIME_INFO(dev_priv)->rawclk_freq); + mul = 128; + } + + return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * mul); +} + +static u16 get_vbt_pwm_freq(struct drm_i915_private *dev_priv) +{ + u16 pwm_freq_hz = dev_priv->vbt.backlight.pwm_freq_hz; + + if (pwm_freq_hz) { + drm_dbg_kms(&dev_priv->drm, + "VBT defined backlight frequency %u Hz\n", + pwm_freq_hz); + } else { + pwm_freq_hz = 200; + drm_dbg_kms(&dev_priv->drm, + "default backlight frequency %u Hz\n", + pwm_freq_hz); + } + + return pwm_freq_hz; +} + +static u32 get_backlight_max_vbt(struct intel_connector *connector) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u16 pwm_freq_hz = get_vbt_pwm_freq(dev_priv); + u32 pwm; + + if (!panel->backlight.pwm_funcs->hz_to_pwm) { + drm_dbg_kms(&dev_priv->drm, + "backlight frequency conversion not supported\n"); + return 0; + } + + pwm = panel->backlight.pwm_funcs->hz_to_pwm(connector, pwm_freq_hz); + if (!pwm) { + drm_dbg_kms(&dev_priv->drm, + "backlight frequency conversion failed\n"); + return 0; + } + + return pwm; +} + +/* + * Note: The setup hooks can't assume pipe is set! + */ +static u32 get_backlight_min_vbt(struct intel_connector *connector) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + int min; + + drm_WARN_ON(&dev_priv->drm, panel->backlight.pwm_level_max == 0); + + /* + * XXX: If the vbt value is 255, it makes min equal to max, which leads + * to problems. There are such machines out there. Either our + * interpretation is wrong or the vbt has bogus data. Or both. Safeguard + * against this by letting the minimum be at most (arbitrarily chosen) + * 25% of the max. + */ + min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0, 64); + if (min != dev_priv->vbt.backlight.min_brightness) { + drm_dbg_kms(&dev_priv->drm, + "clamping VBT min backlight %d/255 to %d/255\n", + dev_priv->vbt.backlight.min_brightness, min); + } + + /* vbt value is a coefficient in range [0..255] */ + return scale(min, 0, 255, 0, panel->backlight.pwm_level_max); +} + +static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 cpu_ctl2, pch_ctl1, pch_ctl2, val; + bool alt, cpu_mode; + + if (HAS_PCH_LPT(dev_priv)) + alt = intel_de_read(dev_priv, SOUTH_CHICKEN2) & LPT_PWM_GRANULARITY; + else + alt = intel_de_read(dev_priv, SOUTH_CHICKEN1) & SPT_PWM_GRANULARITY; + panel->backlight.alternate_pwm_increment = alt; + + pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); + panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY; + + pch_ctl2 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL2); + panel->backlight.pwm_level_max = pch_ctl2 >> 16; + + cpu_ctl2 = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); + + if (!panel->backlight.pwm_level_max) + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + panel->backlight.pwm_enabled = pch_ctl1 & BLM_PCH_PWM_ENABLE; + + cpu_mode = panel->backlight.pwm_enabled && HAS_PCH_LPT(dev_priv) && + !(pch_ctl1 & BLM_PCH_OVERRIDE_ENABLE) && + (cpu_ctl2 & BLM_PWM_ENABLE); + + if (cpu_mode) { + val = pch_get_backlight(connector, unused); + + drm_dbg_kms(&dev_priv->drm, + "CPU backlight register was enabled, switching to PCH override\n"); + + /* Write converted CPU PWM value to PCH override register */ + lpt_set_backlight(connector->base.state, val); + intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, + pch_ctl1 | BLM_PCH_OVERRIDE_ENABLE); + + intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, + cpu_ctl2 & ~BLM_PWM_ENABLE); + } + + return 0; +} + +static int pch_setup_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 cpu_ctl2, pch_ctl1, pch_ctl2; + + pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); + panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY; + + pch_ctl2 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL2); + panel->backlight.pwm_level_max = pch_ctl2 >> 16; + + if (!panel->backlight.pwm_level_max) + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + cpu_ctl2 = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); + panel->backlight.pwm_enabled = (cpu_ctl2 & BLM_PWM_ENABLE) && + (pch_ctl1 & BLM_PCH_PWM_ENABLE); + + return 0; +} + +static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 ctl, val; + + ctl = intel_de_read(dev_priv, BLC_PWM_CTL); + + if (DISPLAY_VER(dev_priv) == 2 || IS_I915GM(dev_priv) || IS_I945GM(dev_priv)) + panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE; + + if (IS_PINEVIEW(dev_priv)) + panel->backlight.active_low_pwm = ctl & BLM_POLARITY_PNV; + + panel->backlight.pwm_level_max = ctl >> 17; + + if (!panel->backlight.pwm_level_max) { + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + panel->backlight.pwm_level_max >>= 1; + } + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + if (panel->backlight.combination_mode) + panel->backlight.pwm_level_max *= 0xff; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + val = i9xx_get_backlight(connector, unused); + val = intel_backlight_invert_pwm_level(connector, val); + val = clamp(val, panel->backlight.pwm_level_min, panel->backlight.pwm_level_max); + + panel->backlight.pwm_enabled = val != 0; + + return 0; +} + +static int i965_setup_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 ctl, ctl2; + + ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2); + panel->backlight.combination_mode = ctl2 & BLM_COMBINATION_MODE; + panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965; + + ctl = intel_de_read(dev_priv, BLC_PWM_CTL); + panel->backlight.pwm_level_max = ctl >> 16; + + if (!panel->backlight.pwm_level_max) + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + if (panel->backlight.combination_mode) + panel->backlight.pwm_level_max *= 0xff; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE; + + return 0; +} + +static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 ctl, ctl2; + + if (drm_WARN_ON(&dev_priv->drm, pipe != PIPE_A && pipe != PIPE_B)) + return -ENODEV; + + ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); + panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965; + + ctl = intel_de_read(dev_priv, VLV_BLC_PWM_CTL(pipe)); + panel->backlight.pwm_level_max = ctl >> 16; + + if (!panel->backlight.pwm_level_max) + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE; + + return 0; +} + +static int +bxt_setup_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 pwm_ctl, val; + + panel->backlight.controller = dev_priv->vbt.backlight.controller; + + pwm_ctl = intel_de_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + + /* Controller 1 uses the utility pin. */ + if (panel->backlight.controller == 1) { + val = intel_de_read(dev_priv, UTIL_PIN_CTL); + panel->backlight.util_pin_active_low = + val & UTIL_PIN_POLARITY; + } + + panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY; + panel->backlight.pwm_level_max = + intel_de_read(dev_priv, BXT_BLC_PWM_FREQ(panel->backlight.controller)); + + if (!panel->backlight.pwm_level_max) + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE; + + return 0; +} + +static int +cnp_setup_backlight(struct intel_connector *connector, enum pipe unused) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + u32 pwm_ctl; + + /* + * CNP has the BXT implementation of backlight, but with only one + * controller. TODO: ICP has multiple controllers but we only use + * controller 0 for now. + */ + panel->backlight.controller = 0; + + pwm_ctl = intel_de_read(dev_priv, + BXT_BLC_PWM_CTL(panel->backlight.controller)); + + panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY; + panel->backlight.pwm_level_max = + intel_de_read(dev_priv, BXT_BLC_PWM_FREQ(panel->backlight.controller)); + + if (!panel->backlight.pwm_level_max) + panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); + + if (!panel->backlight.pwm_level_max) + return -ENODEV; + + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE; + + return 0; +} + +static int ext_pwm_setup_backlight(struct intel_connector *connector, + enum pipe pipe) +{ + struct drm_device *dev = connector->base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_panel *panel = &connector->panel; + const char *desc; + u32 level; + + /* Get the right PWM chip for DSI backlight according to VBT */ + if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) { + panel->backlight.pwm = pwm_get(dev->dev, "pwm_pmic_backlight"); + desc = "PMIC"; + } else { + panel->backlight.pwm = pwm_get(dev->dev, "pwm_soc_backlight"); + desc = "SoC"; + } + + if (IS_ERR(panel->backlight.pwm)) { + drm_err(&dev_priv->drm, "Failed to get the %s PWM chip\n", + desc); + panel->backlight.pwm = NULL; + return -ENODEV; + } + + panel->backlight.pwm_level_max = 100; /* 100% */ + panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); + + if (pwm_is_enabled(panel->backlight.pwm)) { + /* PWM is already enabled, use existing settings */ + pwm_get_state(panel->backlight.pwm, &panel->backlight.pwm_state); + + level = pwm_get_relative_duty_cycle(&panel->backlight.pwm_state, + 100); + level = intel_backlight_invert_pwm_level(connector, level); + panel->backlight.pwm_enabled = true; + + drm_dbg_kms(&dev_priv->drm, "PWM already enabled at freq %ld, VBT freq %d, level %d\n", + NSEC_PER_SEC / (unsigned long)panel->backlight.pwm_state.period, + get_vbt_pwm_freq(dev_priv), level); + } else { + /* Set period from VBT frequency, leave other settings at 0. */ + panel->backlight.pwm_state.period = + NSEC_PER_SEC / get_vbt_pwm_freq(dev_priv); + } + + drm_info(&dev_priv->drm, "Using %s PWM for LCD backlight control\n", + desc); + return 0; +} + +static void intel_pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct intel_panel *panel = &connector->panel; + + panel->backlight.pwm_funcs->set(conn_state, + intel_backlight_invert_pwm_level(connector, level)); +} + +static u32 intel_pwm_get_backlight(struct intel_connector *connector, enum pipe pipe) +{ + struct intel_panel *panel = &connector->panel; + + return intel_backlight_invert_pwm_level(connector, + panel->backlight.pwm_funcs->get(connector, pipe)); +} + +static void intel_pwm_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct intel_panel *panel = &connector->panel; + + panel->backlight.pwm_funcs->enable(crtc_state, conn_state, + intel_backlight_invert_pwm_level(connector, level)); +} + +static void intel_pwm_disable_backlight(const struct drm_connector_state *conn_state, u32 level) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct intel_panel *panel = &connector->panel; + + panel->backlight.pwm_funcs->disable(conn_state, + intel_backlight_invert_pwm_level(connector, level)); +} + +static int intel_pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe) +{ + struct intel_panel *panel = &connector->panel; + int ret = panel->backlight.pwm_funcs->setup(connector, pipe); + + if (ret < 0) + return ret; + + panel->backlight.min = panel->backlight.pwm_level_min; + panel->backlight.max = panel->backlight.pwm_level_max; + panel->backlight.level = intel_pwm_get_backlight(connector, pipe); + panel->backlight.enabled = panel->backlight.pwm_enabled; + + return 0; +} + +void intel_backlight_update(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + + if (!panel->backlight.present) + return; + + mutex_lock(&dev_priv->backlight_lock); + if (!panel->backlight.enabled) + __intel_backlight_enable(crtc_state, conn_state); + + mutex_unlock(&dev_priv->backlight_lock); +} + +int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_panel *panel = &connector->panel; + int ret; + + if (!dev_priv->vbt.backlight.present) { + if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) { + drm_dbg_kms(&dev_priv->drm, + "no backlight present per VBT, but present per quirk\n"); + } else { + drm_dbg_kms(&dev_priv->drm, + "no backlight present per VBT\n"); + return 0; + } + } + + /* ensure intel_panel has been initialized first */ + if (drm_WARN_ON(&dev_priv->drm, !panel->backlight.funcs)) + return -ENODEV; + + /* set level and max in panel struct */ + mutex_lock(&dev_priv->backlight_lock); + ret = panel->backlight.funcs->setup(connector, pipe); + mutex_unlock(&dev_priv->backlight_lock); + + if (ret) { + drm_dbg_kms(&dev_priv->drm, + "failed to setup backlight for connector %s\n", + connector->base.name); + return ret; + } + + panel->backlight.present = true; + + drm_dbg_kms(&dev_priv->drm, + "Connector %s backlight initialized, %s, brightness %u/%u\n", + connector->base.name, + enableddisabled(panel->backlight.enabled), + panel->backlight.level, panel->backlight.max); + + return 0; +} + +void intel_backlight_destroy(struct intel_panel *panel) +{ + /* dispose of the pwm */ + if (panel->backlight.pwm) + pwm_put(panel->backlight.pwm); + + panel->backlight.present = false; +} + +static const struct intel_panel_bl_funcs bxt_pwm_funcs = { + .setup = bxt_setup_backlight, + .enable = bxt_enable_backlight, + .disable = bxt_disable_backlight, + .set = bxt_set_backlight, + .get = bxt_get_backlight, + .hz_to_pwm = bxt_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs cnp_pwm_funcs = { + .setup = cnp_setup_backlight, + .enable = cnp_enable_backlight, + .disable = cnp_disable_backlight, + .set = bxt_set_backlight, + .get = bxt_get_backlight, + .hz_to_pwm = cnp_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs lpt_pwm_funcs = { + .setup = lpt_setup_backlight, + .enable = lpt_enable_backlight, + .disable = lpt_disable_backlight, + .set = lpt_set_backlight, + .get = lpt_get_backlight, + .hz_to_pwm = lpt_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs spt_pwm_funcs = { + .setup = lpt_setup_backlight, + .enable = lpt_enable_backlight, + .disable = lpt_disable_backlight, + .set = lpt_set_backlight, + .get = lpt_get_backlight, + .hz_to_pwm = spt_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs pch_pwm_funcs = { + .setup = pch_setup_backlight, + .enable = pch_enable_backlight, + .disable = pch_disable_backlight, + .set = pch_set_backlight, + .get = pch_get_backlight, + .hz_to_pwm = pch_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs ext_pwm_funcs = { + .setup = ext_pwm_setup_backlight, + .enable = ext_pwm_enable_backlight, + .disable = ext_pwm_disable_backlight, + .set = ext_pwm_set_backlight, + .get = ext_pwm_get_backlight, +}; + +static const struct intel_panel_bl_funcs vlv_pwm_funcs = { + .setup = vlv_setup_backlight, + .enable = vlv_enable_backlight, + .disable = vlv_disable_backlight, + .set = vlv_set_backlight, + .get = vlv_get_backlight, + .hz_to_pwm = vlv_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs i965_pwm_funcs = { + .setup = i965_setup_backlight, + .enable = i965_enable_backlight, + .disable = i965_disable_backlight, + .set = i9xx_set_backlight, + .get = i9xx_get_backlight, + .hz_to_pwm = i965_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs i9xx_pwm_funcs = { + .setup = i9xx_setup_backlight, + .enable = i9xx_enable_backlight, + .disable = i9xx_disable_backlight, + .set = i9xx_set_backlight, + .get = i9xx_get_backlight, + .hz_to_pwm = i9xx_hz_to_pwm, +}; + +static const struct intel_panel_bl_funcs pwm_bl_funcs = { + .setup = intel_pwm_setup_backlight, + .enable = intel_pwm_enable_backlight, + .disable = intel_pwm_disable_backlight, + .set = intel_pwm_set_backlight, + .get = intel_pwm_get_backlight, +}; + +/* Set up chip specific backlight functions */ +void intel_backlight_init_funcs(struct intel_panel *panel) +{ + struct intel_connector *connector = + container_of(panel, struct intel_connector, panel); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + + if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI && + intel_dsi_dcs_init_backlight_funcs(connector) == 0) + return; + + if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { + panel->backlight.pwm_funcs = &bxt_pwm_funcs; + } else if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP) { + panel->backlight.pwm_funcs = &cnp_pwm_funcs; + } else if (INTEL_PCH_TYPE(dev_priv) >= PCH_LPT) { + if (HAS_PCH_LPT(dev_priv)) + panel->backlight.pwm_funcs = &lpt_pwm_funcs; + else + panel->backlight.pwm_funcs = &spt_pwm_funcs; + } else if (HAS_PCH_SPLIT(dev_priv)) { + panel->backlight.pwm_funcs = &pch_pwm_funcs; + } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { + if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) { + panel->backlight.pwm_funcs = &ext_pwm_funcs; + } else { + panel->backlight.pwm_funcs = &vlv_pwm_funcs; + } + } else if (DISPLAY_VER(dev_priv) == 4) { + panel->backlight.pwm_funcs = &i965_pwm_funcs; + } else { + panel->backlight.pwm_funcs = &i9xx_pwm_funcs; + } + + if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP && + intel_dp_aux_init_backlight_funcs(connector) == 0) + return; + + /* We're using a standard PWM backlight interface */ + panel->backlight.funcs = &pwm_bl_funcs; +} diff --git a/drivers/gpu/drm/i915/display/intel_backlight.h b/drivers/gpu/drm/i915/display/intel_backlight.h new file mode 100644 index 000000000000..339643f63897 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_backlight.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef __INTEL_BACKLIGHT_H__ +#define __INTEL_BACKLIGHT_H__ + +#include <linux/types.h> + +struct drm_connector_state; +struct intel_atomic_state; +struct intel_connector; +struct intel_crtc_state; +struct intel_encoder; +struct intel_panel; +enum pipe; + +void intel_backlight_init_funcs(struct intel_panel *panel); +int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe); +void intel_backlight_destroy(struct intel_panel *panel); + +void intel_backlight_enable(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); +void intel_backlight_update(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); +void intel_backlight_disable(const struct drm_connector_state *old_conn_state); + +void intel_backlight_set_acpi(const struct drm_connector_state *conn_state, + u32 level, u32 max); +void intel_backlight_set_pwm_level(const struct drm_connector_state *conn_state, + u32 level); +u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 level); +u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 level); +u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val); + +#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) +int intel_backlight_device_register(struct intel_connector *connector); +void intel_backlight_device_unregister(struct intel_connector *connector); +#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ +static inline int intel_backlight_device_register(struct intel_connector *connector) +{ + return 0; +} +static inline void intel_backlight_device_unregister(struct intel_connector *connector) +{ +} +#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ + +#endif /* __INTEL_BACKLIGHT_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index e86e6ed2d3bf..f9776ca85de3 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -451,13 +451,23 @@ parse_lfp_backlight(struct drm_i915_private *i915, } i915->vbt.backlight.type = INTEL_BACKLIGHT_DISPLAY_DDI; - if (bdb->version >= 191 && - get_blocksize(backlight_data) >= sizeof(*backlight_data)) { - const struct lfp_backlight_control_method *method; + if (bdb->version >= 191) { + size_t exp_size; - method = &backlight_data->backlight_control[panel_type]; - i915->vbt.backlight.type = method->type; - i915->vbt.backlight.controller = method->controller; + if (bdb->version >= 236) + exp_size = sizeof(struct bdb_lfp_backlight_data); + else if (bdb->version >= 234) + exp_size = EXP_BDB_LFP_BL_DATA_SIZE_REV_234; + else + exp_size = EXP_BDB_LFP_BL_DATA_SIZE_REV_191; + + if (get_blocksize(backlight_data) >= exp_size) { + const struct lfp_backlight_control_method *method; + + method = &backlight_data->backlight_control[panel_type]; + i915->vbt.backlight.type = method->type; + i915->vbt.backlight.controller = method->controller; + } } i915->vbt.backlight.pwm_freq_hz = entry->pwm_freq_hz; @@ -483,6 +493,9 @@ parse_lfp_backlight(struct drm_i915_private *i915, level = 255; } i915->vbt.backlight.min_brightness = min_level; + + i915->vbt.backlight.brightness_precision_bits = + backlight_data->brightness_precision_bits[panel_type]; } else { level = backlight_data->level[panel_type]; i915->vbt.backlight.min_brightness = entry->min_brightness; @@ -1501,39 +1514,130 @@ static u8 translate_iboost(u8 val) return mapping[val]; } +static const u8 cnp_ddc_pin_map[] = { + [0] = 0, /* N/A */ + [DDC_BUS_DDI_B] = GMBUS_PIN_1_BXT, + [DDC_BUS_DDI_C] = GMBUS_PIN_2_BXT, + [DDC_BUS_DDI_D] = GMBUS_PIN_4_CNP, /* sic */ + [DDC_BUS_DDI_F] = GMBUS_PIN_3_BXT, /* sic */ +}; + +static const u8 icp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT, + [ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP, + [ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP, + [ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP, + [ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP, + [TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP, + [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, +}; + +static const u8 rkl_pch_tgp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [RKL_DDC_BUS_DDI_D] = GMBUS_PIN_9_TC1_ICP, + [RKL_DDC_BUS_DDI_E] = GMBUS_PIN_10_TC2_ICP, +}; + +static const u8 adls_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ADLS_DDC_BUS_PORT_TC1] = GMBUS_PIN_9_TC1_ICP, + [ADLS_DDC_BUS_PORT_TC2] = GMBUS_PIN_10_TC2_ICP, + [ADLS_DDC_BUS_PORT_TC3] = GMBUS_PIN_11_TC3_ICP, + [ADLS_DDC_BUS_PORT_TC4] = GMBUS_PIN_12_TC4_ICP, +}; + +static const u8 gen9bc_tgp_ddc_pin_map[] = { + [DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP, + [DDC_BUS_DDI_D] = GMBUS_PIN_10_TC2_ICP, +}; + +static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin) +{ + const u8 *ddc_pin_map; + int n_entries; + + if (IS_ALDERLAKE_S(i915)) { + ddc_pin_map = adls_ddc_pin_map; + n_entries = ARRAY_SIZE(adls_ddc_pin_map); + } else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) { + return vbt_pin; + } else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) { + ddc_pin_map = rkl_pch_tgp_ddc_pin_map; + n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map); + } else if (HAS_PCH_TGP(i915) && DISPLAY_VER(i915) == 9) { + ddc_pin_map = gen9bc_tgp_ddc_pin_map; + n_entries = ARRAY_SIZE(gen9bc_tgp_ddc_pin_map); + } else if (INTEL_PCH_TYPE(i915) >= PCH_ICP) { + ddc_pin_map = icp_ddc_pin_map; + n_entries = ARRAY_SIZE(icp_ddc_pin_map); + } else if (HAS_PCH_CNP(i915)) { + ddc_pin_map = cnp_ddc_pin_map; + n_entries = ARRAY_SIZE(cnp_ddc_pin_map); + } else { + /* Assuming direct map */ + return vbt_pin; + } + + if (vbt_pin < n_entries && ddc_pin_map[vbt_pin] != 0) + return ddc_pin_map[vbt_pin]; + + drm_dbg_kms(&i915->drm, + "Ignoring alternate pin: VBT claims DDC pin %d, which is not valid for this platform\n", + vbt_pin); + return 0; +} + static enum port get_port_by_ddc_pin(struct drm_i915_private *i915, u8 ddc_pin) { - const struct ddi_vbt_port_info *info; + const struct intel_bios_encoder_data *devdata; enum port port; if (!ddc_pin) return PORT_NONE; for_each_port(port) { - info = &i915->vbt.ddi_port_info[port]; + devdata = i915->vbt.ports[port]; - if (info->devdata && ddc_pin == info->alternate_ddc_pin) + if (devdata && ddc_pin == devdata->child.ddc_pin) return port; } return PORT_NONE; } -static void sanitize_ddc_pin(struct drm_i915_private *i915, +static void sanitize_ddc_pin(struct intel_bios_encoder_data *devdata, enum port port) { - struct ddi_vbt_port_info *info = &i915->vbt.ddi_port_info[port]; + struct drm_i915_private *i915 = devdata->i915; struct child_device_config *child; + u8 mapped_ddc_pin; enum port p; - p = get_port_by_ddc_pin(i915, info->alternate_ddc_pin); + if (!devdata->child.ddc_pin) + return; + + mapped_ddc_pin = map_ddc_pin(i915, devdata->child.ddc_pin); + if (!intel_gmbus_is_valid_pin(i915, mapped_ddc_pin)) { + drm_dbg_kms(&i915->drm, + "Port %c has invalid DDC pin %d, " + "sticking to defaults\n", + port_name(port), mapped_ddc_pin); + devdata->child.ddc_pin = 0; + return; + } + + p = get_port_by_ddc_pin(i915, devdata->child.ddc_pin); if (p == PORT_NONE) return; drm_dbg_kms(&i915->drm, "port %c trying to use the same DDC pin (0x%x) as port %c, " "disabling port %c DVI/HDMI support\n", - port_name(port), info->alternate_ddc_pin, + port_name(port), mapped_ddc_pin, port_name(p), port_name(p)); /* @@ -1545,48 +1649,47 @@ static void sanitize_ddc_pin(struct drm_i915_private *i915, * there are real machines (eg. Asrock B250M-HDV) where VBT has both * port A and port E with the same AUX ch and we must pick port E :( */ - info = &i915->vbt.ddi_port_info[p]; - child = &info->devdata->child; + child = &i915->vbt.ports[p]->child; child->device_type &= ~DEVICE_TYPE_TMDS_DVI_SIGNALING; child->device_type |= DEVICE_TYPE_NOT_HDMI_OUTPUT; - info->alternate_ddc_pin = 0; + child->ddc_pin = 0; } static enum port get_port_by_aux_ch(struct drm_i915_private *i915, u8 aux_ch) { - const struct ddi_vbt_port_info *info; + const struct intel_bios_encoder_data *devdata; enum port port; if (!aux_ch) return PORT_NONE; for_each_port(port) { - info = &i915->vbt.ddi_port_info[port]; + devdata = i915->vbt.ports[port]; - if (info->devdata && aux_ch == info->alternate_aux_channel) + if (devdata && aux_ch == devdata->child.aux_channel) return port; } return PORT_NONE; } -static void sanitize_aux_ch(struct drm_i915_private *i915, +static void sanitize_aux_ch(struct intel_bios_encoder_data *devdata, enum port port) { - struct ddi_vbt_port_info *info = &i915->vbt.ddi_port_info[port]; + struct drm_i915_private *i915 = devdata->i915; struct child_device_config *child; enum port p; - p = get_port_by_aux_ch(i915, info->alternate_aux_channel); + p = get_port_by_aux_ch(i915, devdata->child.aux_channel); if (p == PORT_NONE) return; drm_dbg_kms(&i915->drm, "port %c trying to use the same AUX CH (0x%x) as port %c, " "disabling port %c DP support\n", - port_name(port), info->alternate_aux_channel, + port_name(port), devdata->child.aux_channel, port_name(p), port_name(p)); /* @@ -1598,88 +1701,10 @@ static void sanitize_aux_ch(struct drm_i915_private *i915, * there are real machines (eg. Asrock B250M-HDV) where VBT has both * port A and port E with the same AUX ch and we must pick port E :( */ - info = &i915->vbt.ddi_port_info[p]; - child = &info->devdata->child; + child = &i915->vbt.ports[p]->child; child->device_type &= ~DEVICE_TYPE_DISPLAYPORT_OUTPUT; - info->alternate_aux_channel = 0; -} - -static const u8 cnp_ddc_pin_map[] = { - [0] = 0, /* N/A */ - [DDC_BUS_DDI_B] = GMBUS_PIN_1_BXT, - [DDC_BUS_DDI_C] = GMBUS_PIN_2_BXT, - [DDC_BUS_DDI_D] = GMBUS_PIN_4_CNP, /* sic */ - [DDC_BUS_DDI_F] = GMBUS_PIN_3_BXT, /* sic */ -}; - -static const u8 icp_ddc_pin_map[] = { - [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, - [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, - [TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT, - [ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP, - [ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP, - [ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP, - [ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP, - [TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP, - [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, -}; - -static const u8 rkl_pch_tgp_ddc_pin_map[] = { - [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, - [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, - [RKL_DDC_BUS_DDI_D] = GMBUS_PIN_9_TC1_ICP, - [RKL_DDC_BUS_DDI_E] = GMBUS_PIN_10_TC2_ICP, -}; - -static const u8 adls_ddc_pin_map[] = { - [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, - [ADLS_DDC_BUS_PORT_TC1] = GMBUS_PIN_9_TC1_ICP, - [ADLS_DDC_BUS_PORT_TC2] = GMBUS_PIN_10_TC2_ICP, - [ADLS_DDC_BUS_PORT_TC3] = GMBUS_PIN_11_TC3_ICP, - [ADLS_DDC_BUS_PORT_TC4] = GMBUS_PIN_12_TC4_ICP, -}; - -static const u8 gen9bc_tgp_ddc_pin_map[] = { - [DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, - [DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP, - [DDC_BUS_DDI_D] = GMBUS_PIN_10_TC2_ICP, -}; - -static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin) -{ - const u8 *ddc_pin_map; - int n_entries; - - if (IS_ALDERLAKE_S(i915)) { - ddc_pin_map = adls_ddc_pin_map; - n_entries = ARRAY_SIZE(adls_ddc_pin_map); - } else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) { - return vbt_pin; - } else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) { - ddc_pin_map = rkl_pch_tgp_ddc_pin_map; - n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map); - } else if (HAS_PCH_TGP(i915) && DISPLAY_VER(i915) == 9) { - ddc_pin_map = gen9bc_tgp_ddc_pin_map; - n_entries = ARRAY_SIZE(gen9bc_tgp_ddc_pin_map); - } else if (INTEL_PCH_TYPE(i915) >= PCH_ICP) { - ddc_pin_map = icp_ddc_pin_map; - n_entries = ARRAY_SIZE(icp_ddc_pin_map); - } else if (HAS_PCH_CNP(i915)) { - ddc_pin_map = cnp_ddc_pin_map; - n_entries = ARRAY_SIZE(cnp_ddc_pin_map); - } else { - /* Assuming direct map */ - return vbt_pin; - } - - if (vbt_pin < n_entries && ddc_pin_map[vbt_pin] != 0) - return ddc_pin_map[vbt_pin]; - - drm_dbg_kms(&i915->drm, - "Ignoring alternate pin: VBT claims DDC pin %d, which is not valid for this platform\n", - vbt_pin); - return 0; + child->aux_channel = 0; } static enum port __dvo_port_to_port(int n_ports, int n_dvo, @@ -1815,6 +1840,17 @@ static int parse_bdb_216_dp_max_link_rate(const int vbt_max_link_rate) } } +static int _intel_bios_dp_max_link_rate(const struct intel_bios_encoder_data *devdata) +{ + if (!devdata || devdata->i915->vbt.version < 216) + return 0; + + if (devdata->i915->vbt.version >= 230) + return parse_bdb_230_dp_max_link_rate(devdata->child.dp_max_link_rate); + else + return parse_bdb_216_dp_max_link_rate(devdata->child.dp_max_link_rate); +} + static void sanitize_device_type(struct intel_bios_encoder_data *devdata, enum port port) { @@ -1868,6 +1904,32 @@ intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devdata) devdata->child.device_type & DEVICE_TYPE_INTERNAL_CONNECTOR; } +static int _intel_bios_hdmi_level_shift(const struct intel_bios_encoder_data *devdata) +{ + if (!devdata || devdata->i915->vbt.version < 158) + return -1; + + return devdata->child.hdmi_level_shifter_value; +} + +static int _intel_bios_max_tmds_clock(const struct intel_bios_encoder_data *devdata) +{ + if (!devdata || devdata->i915->vbt.version < 204) + return 0; + + switch (devdata->child.hdmi_max_data_rate) { + default: + MISSING_CASE(devdata->child.hdmi_max_data_rate); + fallthrough; + case HDMI_MAX_DATA_RATE_PLATFORM: + return 0; + case HDMI_MAX_DATA_RATE_297: + return 297000; + case HDMI_MAX_DATA_RATE_165: + return 165000; + } +} + static bool is_port_valid(struct drm_i915_private *i915, enum port port) { /* @@ -1885,9 +1947,8 @@ static void parse_ddi_port(struct drm_i915_private *i915, struct intel_bios_encoder_data *devdata) { const struct child_device_config *child = &devdata->child; - struct ddi_vbt_port_info *info; bool is_dvi, is_hdmi, is_dp, is_edp, is_crt, supports_typec_usb, supports_tbt; - int dp_boost_level, hdmi_boost_level; + int dp_boost_level, dp_max_link_rate, hdmi_boost_level, hdmi_level_shift, max_tmds_clock; enum port port; port = dvo_port_to_port(i915, child->dvo_port); @@ -1901,9 +1962,7 @@ static void parse_ddi_port(struct drm_i915_private *i915, return; } - info = &i915->vbt.ddi_port_info[port]; - - if (info->devdata) { + if (i915->vbt.ports[port]) { drm_dbg_kms(&i915->drm, "More than one child device for port %c in VBT, using the first.\n", port_name(port)); @@ -1928,62 +1987,24 @@ static void parse_ddi_port(struct drm_i915_private *i915, supports_typec_usb, supports_tbt, devdata->dsc != NULL); - if (is_dvi) { - u8 ddc_pin; + if (is_dvi) + sanitize_ddc_pin(devdata, port); - ddc_pin = map_ddc_pin(i915, child->ddc_pin); - if (intel_gmbus_is_valid_pin(i915, ddc_pin)) { - info->alternate_ddc_pin = ddc_pin; - sanitize_ddc_pin(i915, port); - } else { - drm_dbg_kms(&i915->drm, - "Port %c has invalid DDC pin %d, " - "sticking to defaults\n", - port_name(port), ddc_pin); - } - } - - if (is_dp) { - info->alternate_aux_channel = child->aux_channel; - - sanitize_aux_ch(i915, port); - } + if (is_dp) + sanitize_aux_ch(devdata, port); - if (i915->vbt.version >= 158) { - /* The VBT HDMI level shift values match the table we have. */ - u8 hdmi_level_shift = child->hdmi_level_shifter_value; + hdmi_level_shift = _intel_bios_hdmi_level_shift(devdata); + if (hdmi_level_shift >= 0) { drm_dbg_kms(&i915->drm, "Port %c VBT HDMI level shift: %d\n", - port_name(port), - hdmi_level_shift); - info->hdmi_level_shift = hdmi_level_shift; - info->hdmi_level_shift_set = true; + port_name(port), hdmi_level_shift); } - if (i915->vbt.version >= 204) { - int max_tmds_clock; - - switch (child->hdmi_max_data_rate) { - default: - MISSING_CASE(child->hdmi_max_data_rate); - fallthrough; - case HDMI_MAX_DATA_RATE_PLATFORM: - max_tmds_clock = 0; - break; - case HDMI_MAX_DATA_RATE_297: - max_tmds_clock = 297000; - break; - case HDMI_MAX_DATA_RATE_165: - max_tmds_clock = 165000; - break; - } - - if (max_tmds_clock) - drm_dbg_kms(&i915->drm, - "Port %c VBT HDMI max TMDS clock: %d kHz\n", - port_name(port), max_tmds_clock); - info->max_tmds_clock = max_tmds_clock; - } + max_tmds_clock = _intel_bios_max_tmds_clock(devdata); + if (max_tmds_clock) + drm_dbg_kms(&i915->drm, + "Port %c VBT HDMI max TMDS clock: %d kHz\n", + port_name(port), max_tmds_clock); /* I_boost config for SKL and above */ dp_boost_level = intel_bios_encoder_dp_boost_level(devdata); @@ -1998,19 +2019,13 @@ static void parse_ddi_port(struct drm_i915_private *i915, "Port %c VBT HDMI boost level: %d\n", port_name(port), hdmi_boost_level); - /* DP max link rate for GLK+ */ - if (i915->vbt.version >= 216) { - if (i915->vbt.version >= 230) - info->dp_max_link_rate = parse_bdb_230_dp_max_link_rate(child->dp_max_link_rate); - else - info->dp_max_link_rate = parse_bdb_216_dp_max_link_rate(child->dp_max_link_rate); - + dp_max_link_rate = _intel_bios_dp_max_link_rate(devdata); + if (dp_max_link_rate) drm_dbg_kms(&i915->drm, "Port %c VBT DP max link rate: %d\n", - port_name(port), info->dp_max_link_rate); - } + port_name(port), dp_max_link_rate); - info->devdata = devdata; + i915->vbt.ports[port] = devdata; } static void parse_ddi_ports(struct drm_i915_private *i915) @@ -2548,12 +2563,8 @@ bool intel_bios_is_port_present(struct drm_i915_private *i915, enum port port) [PORT_F] = { DVO_PORT_DPF, DVO_PORT_HDMIF, }, }; - if (HAS_DDI(i915)) { - const struct ddi_vbt_port_info *port_info = - &i915->vbt.ddi_port_info[port]; - - return port_info->devdata; - } + if (HAS_DDI(i915)) + return i915->vbt.ports[port]; /* FIXME maybe deal with port A as well? */ if (drm_WARN_ON(&i915->drm, @@ -2804,8 +2815,7 @@ bool intel_bios_is_port_hpd_inverted(const struct drm_i915_private *i915, enum port port) { - const struct intel_bios_encoder_data *devdata = - i915->vbt.ddi_port_info[port].devdata; + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[port]; if (drm_WARN_ON_ONCE(&i915->drm, !IS_GEMINILAKE(i915) && !IS_BROXTON(i915))) @@ -2825,8 +2835,7 @@ bool intel_bios_is_lspcon_present(const struct drm_i915_private *i915, enum port port) { - const struct intel_bios_encoder_data *devdata = - i915->vbt.ddi_port_info[port].devdata; + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[port]; return HAS_LSPCON(i915) && devdata && devdata->child.lspcon; } @@ -2842,8 +2851,7 @@ bool intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915, enum port port) { - const struct intel_bios_encoder_data *devdata = - i915->vbt.ddi_port_info[port].devdata; + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[port]; return devdata && devdata->child.lane_reversal; } @@ -2851,11 +2859,10 @@ intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915, enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915, enum port port) { - const struct ddi_vbt_port_info *info = - &i915->vbt.ddi_port_info[port]; + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[port]; enum aux_ch aux_ch; - if (!info->alternate_aux_channel) { + if (!devdata || !devdata->child.aux_channel) { aux_ch = (enum aux_ch)port; drm_dbg_kms(&i915->drm, @@ -2871,7 +2878,7 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915, * ADL-S VBT uses PHY based mapping. Combo PHYs A,B,C,D,E * map to DDI A,TC1,TC2,TC3,TC4 respectively. */ - switch (info->alternate_aux_channel) { + switch (devdata->child.aux_channel) { case DP_AUX_A: aux_ch = AUX_CH_A; break; @@ -2932,7 +2939,7 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915, aux_ch = AUX_CH_I; break; default: - MISSING_CASE(info->alternate_aux_channel); + MISSING_CASE(devdata->child.aux_channel); aux_ch = AUX_CH_A; break; } @@ -2946,17 +2953,18 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915, int intel_bios_max_tmds_clock(struct intel_encoder *encoder) { struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[encoder->port]; - return i915->vbt.ddi_port_info[encoder->port].max_tmds_clock; + return _intel_bios_max_tmds_clock(devdata); } +/* This is an index in the HDMI/DVI DDI buffer translation table, or -1 */ int intel_bios_hdmi_level_shift(struct intel_encoder *encoder) { struct drm_i915_private *i915 = to_i915(encoder->base.dev); - const struct ddi_vbt_port_info *info = - &i915->vbt.ddi_port_info[encoder->port]; + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[encoder->port]; - return info->hdmi_level_shift_set ? info->hdmi_level_shift : -1; + return _intel_bios_hdmi_level_shift(devdata); } int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata) @@ -2978,15 +2986,20 @@ int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *de int intel_bios_dp_max_link_rate(struct intel_encoder *encoder) { struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[encoder->port]; - return i915->vbt.ddi_port_info[encoder->port].dp_max_link_rate; + return _intel_bios_dp_max_link_rate(devdata); } int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder) { struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_bios_encoder_data *devdata = i915->vbt.ports[encoder->port]; + + if (!devdata || !devdata->child.ddc_pin) + return 0; - return i915->vbt.ddi_port_info[encoder->port].alternate_ddc_pin; + return map_ddc_pin(i915, devdata->child.ddc_pin); } bool intel_bios_encoder_supports_typec_usb(const struct intel_bios_encoder_data *devdata) @@ -3002,5 +3015,5 @@ bool intel_bios_encoder_supports_tbt(const struct intel_bios_encoder_data *devda const struct intel_bios_encoder_data * intel_bios_encoder_data_lookup(struct drm_i915_private *i915, enum port port) { - return i915->vbt.ddi_port_info[port].devdata; + return i915->vbt.ports[port]; } diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index e91e0e0191fb..4b94256d7319 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -222,31 +222,42 @@ static int icl_sagv_max_dclk(const struct intel_qgv_info *qi) struct intel_sa_info { u16 displayrtids; - u8 deburst, deprogbwlimit; + u8 deburst, deprogbwlimit, derating; }; static const struct intel_sa_info icl_sa_info = { .deburst = 8, .deprogbwlimit = 25, /* GB/s */ .displayrtids = 128, + .derating = 10, }; static const struct intel_sa_info tgl_sa_info = { .deburst = 16, .deprogbwlimit = 34, /* GB/s */ .displayrtids = 256, + .derating = 10, }; static const struct intel_sa_info rkl_sa_info = { .deburst = 16, .deprogbwlimit = 20, /* GB/s */ .displayrtids = 128, + .derating = 10, }; static const struct intel_sa_info adls_sa_info = { .deburst = 16, .deprogbwlimit = 38, /* GB/s */ .displayrtids = 256, + .derating = 10, +}; + +static const struct intel_sa_info adlp_sa_info = { + .deburst = 16, + .deprogbwlimit = 38, /* GB/s */ + .displayrtids = 256, + .derating = 20, }; static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) @@ -302,7 +313,7 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel bw = icl_calc_bw(sp->dclk, clpchgroup * 32 * num_channels, ct); bi->deratedbw[j] = min(maxdebw, - bw * 9 / 10); /* 90% */ + bw * (100 - sa->derating) / 100); drm_dbg_kms(&dev_priv->drm, "BW%d / QGV %d: num_planes=%d deratedbw=%u\n", @@ -400,7 +411,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv) if (IS_DG2(dev_priv)) dg2_get_bw_info(dev_priv); - else if (IS_ALDERLAKE_S(dev_priv) || IS_ALDERLAKE_P(dev_priv)) + else if (IS_ALDERLAKE_P(dev_priv)) + icl_get_bw_info(dev_priv, &adlp_sa_info); + else if (IS_ALDERLAKE_S(dev_priv)) icl_get_bw_info(dev_priv, &adls_sa_info); else if (IS_ROCKETLAKE(dev_priv)) icl_get_bw_info(dev_priv, &rkl_sa_info); diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 34fa4130d5c4..ecb28e8f1eb6 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -59,6 +59,37 @@ * dividers can be programmed correctly. */ +void intel_cdclk_get_cdclk(struct drm_i915_private *dev_priv, + struct intel_cdclk_config *cdclk_config) +{ + dev_priv->cdclk_funcs->get_cdclk(dev_priv, cdclk_config); +} + +int intel_cdclk_bw_calc_min_cdclk(struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + return dev_priv->cdclk_funcs->bw_calc_min_cdclk(state); +} + +static void intel_cdclk_set_cdclk(struct drm_i915_private *dev_priv, + const struct intel_cdclk_config *cdclk_config, + enum pipe pipe) +{ + dev_priv->cdclk_funcs->set_cdclk(dev_priv, cdclk_config, pipe); +} + +static int intel_cdclk_modeset_calc_cdclk(struct drm_i915_private *dev_priv, + struct intel_cdclk_state *cdclk_config) +{ + return dev_priv->cdclk_funcs->modeset_calc_cdclk(cdclk_config); +} + +static u8 intel_cdclk_calc_voltage_level(struct drm_i915_private *dev_priv, + int cdclk) +{ + return dev_priv->cdclk_funcs->calc_voltage_level(cdclk); +} + static void fixed_133mhz_get_cdclk(struct drm_i915_private *dev_priv, struct intel_cdclk_config *cdclk_config) { @@ -1466,7 +1497,7 @@ static void bxt_get_cdclk(struct drm_i915_private *dev_priv, * at least what the CDCLK frequency requires. */ cdclk_config->voltage_level = - dev_priv->display.calc_voltage_level(cdclk_config->cdclk); + intel_cdclk_calc_voltage_level(dev_priv, cdclk_config->cdclk); } static void bxt_de_pll_disable(struct drm_i915_private *dev_priv) @@ -1777,7 +1808,7 @@ static void bxt_cdclk_init_hw(struct drm_i915_private *dev_priv) cdclk_config.cdclk = bxt_calc_cdclk(dev_priv, 0); cdclk_config.vco = bxt_calc_cdclk_pll_vco(dev_priv, cdclk_config.cdclk); cdclk_config.voltage_level = - dev_priv->display.calc_voltage_level(cdclk_config.cdclk); + intel_cdclk_calc_voltage_level(dev_priv, cdclk_config.cdclk); bxt_set_cdclk(dev_priv, &cdclk_config, INVALID_PIPE); } @@ -1789,7 +1820,7 @@ static void bxt_cdclk_uninit_hw(struct drm_i915_private *dev_priv) cdclk_config.cdclk = cdclk_config.bypass; cdclk_config.vco = 0; cdclk_config.voltage_level = - dev_priv->display.calc_voltage_level(cdclk_config.cdclk); + intel_cdclk_calc_voltage_level(dev_priv, cdclk_config.cdclk); bxt_set_cdclk(dev_priv, &cdclk_config, INVALID_PIPE); } @@ -1932,7 +1963,7 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv, if (!intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_config)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, !dev_priv->display.set_cdclk)) + if (drm_WARN_ON_ONCE(&dev_priv->drm, !dev_priv->cdclk_funcs->set_cdclk)) return; intel_dump_cdclk_config(cdclk_config, "Changing CDCLK to"); @@ -1956,7 +1987,7 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv, &dev_priv->gmbus_mutex); } - dev_priv->display.set_cdclk(dev_priv, cdclk_config, pipe); + intel_cdclk_set_cdclk(dev_priv, cdclk_config, pipe); for_each_intel_dp(&dev_priv->drm, encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); @@ -2140,6 +2171,14 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) min_cdclk = max(intel_planes_min_cdclk(crtc_state), min_cdclk); /* + * When we decide to use only one VDSC engine, since + * each VDSC operates with 1 ppc throughput, pixel clock + * cannot be higher than the VDSC clock (cdclk) + */ + if (crtc_state->dsc.compression_enable && !crtc_state->dsc.dsc_split) + min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate); + + /* * HACK. Currently for TGL platforms we calculate * min_cdclk initially based on pixel_rate divided * by 2, accounting for also plane requirements, @@ -2414,7 +2453,7 @@ static int bxt_modeset_calc_cdclk(struct intel_cdclk_state *cdclk_state) cdclk_state->logical.cdclk = cdclk; cdclk_state->logical.voltage_level = max_t(int, min_voltage_level, - dev_priv->display.calc_voltage_level(cdclk)); + intel_cdclk_calc_voltage_level(dev_priv, cdclk)); if (!cdclk_state->active_pipes) { cdclk = bxt_calc_cdclk(dev_priv, cdclk_state->force_min_cdclk); @@ -2423,7 +2462,7 @@ static int bxt_modeset_calc_cdclk(struct intel_cdclk_state *cdclk_state) cdclk_state->actual.vco = vco; cdclk_state->actual.cdclk = cdclk; cdclk_state->actual.voltage_level = - dev_priv->display.calc_voltage_level(cdclk); + intel_cdclk_calc_voltage_level(dev_priv, cdclk); } else { cdclk_state->actual = cdclk_state->logical; } @@ -2515,7 +2554,7 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state) new_cdclk_state->active_pipes = intel_calc_active_pipes(state, old_cdclk_state->active_pipes); - ret = dev_priv->display.modeset_calc_cdclk(new_cdclk_state); + ret = intel_cdclk_modeset_calc_cdclk(dev_priv, new_cdclk_state); if (ret) return ret; @@ -2695,7 +2734,7 @@ void intel_update_max_cdclk(struct drm_i915_private *dev_priv) */ void intel_update_cdclk(struct drm_i915_private *dev_priv) { - dev_priv->display.get_cdclk(dev_priv, &dev_priv->cdclk.hw); + intel_cdclk_get_cdclk(dev_priv, &dev_priv->cdclk.hw); /* * 9:0 CMBUS [sic] CDCLK frequency (cdfreq): @@ -2845,6 +2884,157 @@ u32 intel_read_rawclk(struct drm_i915_private *dev_priv) return freq; } +static struct intel_cdclk_funcs tgl_cdclk_funcs = { + .get_cdclk = bxt_get_cdclk, + .set_cdclk = bxt_set_cdclk, + .bw_calc_min_cdclk = skl_bw_calc_min_cdclk, + .modeset_calc_cdclk = bxt_modeset_calc_cdclk, + .calc_voltage_level = tgl_calc_voltage_level, +}; + +static struct intel_cdclk_funcs ehl_cdclk_funcs = { + .get_cdclk = bxt_get_cdclk, + .set_cdclk = bxt_set_cdclk, + .bw_calc_min_cdclk = skl_bw_calc_min_cdclk, + .modeset_calc_cdclk = bxt_modeset_calc_cdclk, + .calc_voltage_level = ehl_calc_voltage_level, +}; + +static struct intel_cdclk_funcs icl_cdclk_funcs = { + .get_cdclk = bxt_get_cdclk, + .set_cdclk = bxt_set_cdclk, + .bw_calc_min_cdclk = skl_bw_calc_min_cdclk, + .modeset_calc_cdclk = bxt_modeset_calc_cdclk, + .calc_voltage_level = icl_calc_voltage_level, +}; + +static struct intel_cdclk_funcs bxt_cdclk_funcs = { + .get_cdclk = bxt_get_cdclk, + .set_cdclk = bxt_set_cdclk, + .bw_calc_min_cdclk = skl_bw_calc_min_cdclk, + .modeset_calc_cdclk = bxt_modeset_calc_cdclk, + .calc_voltage_level = bxt_calc_voltage_level, +}; + +static struct intel_cdclk_funcs skl_cdclk_funcs = { + .get_cdclk = skl_get_cdclk, + .set_cdclk = skl_set_cdclk, + .bw_calc_min_cdclk = skl_bw_calc_min_cdclk, + .modeset_calc_cdclk = skl_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs bdw_cdclk_funcs = { + .get_cdclk = bdw_get_cdclk, + .set_cdclk = bdw_set_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = bdw_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs chv_cdclk_funcs = { + .get_cdclk = vlv_get_cdclk, + .set_cdclk = chv_set_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = vlv_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs vlv_cdclk_funcs = { + .get_cdclk = vlv_get_cdclk, + .set_cdclk = vlv_set_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = vlv_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs hsw_cdclk_funcs = { + .get_cdclk = hsw_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +/* SNB, IVB, 965G, 945G */ +static struct intel_cdclk_funcs fixed_400mhz_cdclk_funcs = { + .get_cdclk = fixed_400mhz_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs ilk_cdclk_funcs = { + .get_cdclk = fixed_450mhz_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs gm45_cdclk_funcs = { + .get_cdclk = gm45_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +/* G45 uses G33 */ + +static struct intel_cdclk_funcs i965gm_cdclk_funcs = { + .get_cdclk = i965gm_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +/* i965G uses fixed 400 */ + +static struct intel_cdclk_funcs pnv_cdclk_funcs = { + .get_cdclk = pnv_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs g33_cdclk_funcs = { + .get_cdclk = g33_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs i945gm_cdclk_funcs = { + .get_cdclk = i945gm_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +/* i945G uses fixed 400 */ + +static struct intel_cdclk_funcs i915gm_cdclk_funcs = { + .get_cdclk = i915gm_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs i915g_cdclk_funcs = { + .get_cdclk = fixed_333mhz_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs i865g_cdclk_funcs = { + .get_cdclk = fixed_266mhz_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs i85x_cdclk_funcs = { + .get_cdclk = i85x_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs i845g_cdclk_funcs = { + .get_cdclk = fixed_200mhz_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + +static struct intel_cdclk_funcs i830_cdclk_funcs = { + .get_cdclk = fixed_133mhz_get_cdclk, + .bw_calc_min_cdclk = intel_bw_calc_min_cdclk, + .modeset_calc_cdclk = fixed_modeset_calc_cdclk, +}; + /** * intel_init_cdclk_hooks - Initialize CDCLK related modesetting hooks * @dev_priv: i915 device @@ -2852,119 +3042,78 @@ u32 intel_read_rawclk(struct drm_i915_private *dev_priv) void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv) { if (IS_DG2(dev_priv)) { - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = tgl_calc_voltage_level; + dev_priv->cdclk_funcs = &tgl_cdclk_funcs; dev_priv->cdclk.table = dg2_cdclk_table; } else if (IS_ALDERLAKE_P(dev_priv)) { - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = tgl_calc_voltage_level; + dev_priv->cdclk_funcs = &tgl_cdclk_funcs; /* Wa_22011320316:adl-p[a0] */ if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) dev_priv->cdclk.table = adlp_a_step_cdclk_table; else dev_priv->cdclk.table = adlp_cdclk_table; } else if (IS_ROCKETLAKE(dev_priv)) { - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = tgl_calc_voltage_level; + dev_priv->cdclk_funcs = &tgl_cdclk_funcs; dev_priv->cdclk.table = rkl_cdclk_table; } else if (DISPLAY_VER(dev_priv) >= 12) { - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = tgl_calc_voltage_level; + dev_priv->cdclk_funcs = &tgl_cdclk_funcs; dev_priv->cdclk.table = icl_cdclk_table; } else if (IS_JSL_EHL(dev_priv)) { - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = ehl_calc_voltage_level; + dev_priv->cdclk_funcs = &ehl_cdclk_funcs; dev_priv->cdclk.table = icl_cdclk_table; } else if (DISPLAY_VER(dev_priv) >= 11) { - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = icl_calc_voltage_level; + dev_priv->cdclk_funcs = &icl_cdclk_funcs; dev_priv->cdclk.table = icl_cdclk_table; } else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.set_cdclk = bxt_set_cdclk; - dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk; - dev_priv->display.calc_voltage_level = bxt_calc_voltage_level; + dev_priv->cdclk_funcs = &bxt_cdclk_funcs; if (IS_GEMINILAKE(dev_priv)) dev_priv->cdclk.table = glk_cdclk_table; else dev_priv->cdclk.table = bxt_cdclk_table; } else if (DISPLAY_VER(dev_priv) == 9) { - dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk; - dev_priv->display.set_cdclk = skl_set_cdclk; - dev_priv->display.modeset_calc_cdclk = skl_modeset_calc_cdclk; + dev_priv->cdclk_funcs = &skl_cdclk_funcs; } else if (IS_BROADWELL(dev_priv)) { - dev_priv->display.bw_calc_min_cdclk = intel_bw_calc_min_cdclk; - dev_priv->display.set_cdclk = bdw_set_cdclk; - dev_priv->display.modeset_calc_cdclk = bdw_modeset_calc_cdclk; + dev_priv->cdclk_funcs = &bdw_cdclk_funcs; + } else if (IS_HASWELL(dev_priv)) { + dev_priv->cdclk_funcs = &hsw_cdclk_funcs; } else if (IS_CHERRYVIEW(dev_priv)) { - dev_priv->display.bw_calc_min_cdclk = intel_bw_calc_min_cdclk; - dev_priv->display.set_cdclk = chv_set_cdclk; - dev_priv->display.modeset_calc_cdclk = vlv_modeset_calc_cdclk; + dev_priv->cdclk_funcs = &chv_cdclk_funcs; } else if (IS_VALLEYVIEW(dev_priv)) { - dev_priv->display.bw_calc_min_cdclk = intel_bw_calc_min_cdclk; - dev_priv->display.set_cdclk = vlv_set_cdclk; - dev_priv->display.modeset_calc_cdclk = vlv_modeset_calc_cdclk; - } else { - dev_priv->display.bw_calc_min_cdclk = intel_bw_calc_min_cdclk; - dev_priv->display.modeset_calc_cdclk = fixed_modeset_calc_cdclk; + dev_priv->cdclk_funcs = &vlv_cdclk_funcs; + } else if (IS_SANDYBRIDGE(dev_priv) || IS_IVYBRIDGE(dev_priv)) { + dev_priv->cdclk_funcs = &fixed_400mhz_cdclk_funcs; + } else if (IS_IRONLAKE(dev_priv)) { + dev_priv->cdclk_funcs = &ilk_cdclk_funcs; + } else if (IS_GM45(dev_priv)) { + dev_priv->cdclk_funcs = &gm45_cdclk_funcs; + } else if (IS_G45(dev_priv)) { + dev_priv->cdclk_funcs = &g33_cdclk_funcs; + } else if (IS_I965GM(dev_priv)) { + dev_priv->cdclk_funcs = &i965gm_cdclk_funcs; + } else if (IS_I965G(dev_priv)) { + dev_priv->cdclk_funcs = &fixed_400mhz_cdclk_funcs; + } else if (IS_PINEVIEW(dev_priv)) { + dev_priv->cdclk_funcs = &pnv_cdclk_funcs; + } else if (IS_G33(dev_priv)) { + dev_priv->cdclk_funcs = &g33_cdclk_funcs; + } else if (IS_I945GM(dev_priv)) { + dev_priv->cdclk_funcs = &i945gm_cdclk_funcs; + } else if (IS_I945G(dev_priv)) { + dev_priv->cdclk_funcs = &fixed_400mhz_cdclk_funcs; + } else if (IS_I915GM(dev_priv)) { + dev_priv->cdclk_funcs = &i915gm_cdclk_funcs; + } else if (IS_I915G(dev_priv)) { + dev_priv->cdclk_funcs = &i915g_cdclk_funcs; + } else if (IS_I865G(dev_priv)) { + dev_priv->cdclk_funcs = &i865g_cdclk_funcs; + } else if (IS_I85X(dev_priv)) { + dev_priv->cdclk_funcs = &i85x_cdclk_funcs; + } else if (IS_I845G(dev_priv)) { + dev_priv->cdclk_funcs = &i845g_cdclk_funcs; + } else if (IS_I830(dev_priv)) { + dev_priv->cdclk_funcs = &i830_cdclk_funcs; } - if (DISPLAY_VER(dev_priv) >= 10 || IS_BROXTON(dev_priv)) - dev_priv->display.get_cdclk = bxt_get_cdclk; - else if (DISPLAY_VER(dev_priv) == 9) - dev_priv->display.get_cdclk = skl_get_cdclk; - else if (IS_BROADWELL(dev_priv)) - dev_priv->display.get_cdclk = bdw_get_cdclk; - else if (IS_HASWELL(dev_priv)) - dev_priv->display.get_cdclk = hsw_get_cdclk; - else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - dev_priv->display.get_cdclk = vlv_get_cdclk; - else if (IS_SANDYBRIDGE(dev_priv) || IS_IVYBRIDGE(dev_priv)) - dev_priv->display.get_cdclk = fixed_400mhz_get_cdclk; - else if (IS_IRONLAKE(dev_priv)) - dev_priv->display.get_cdclk = fixed_450mhz_get_cdclk; - else if (IS_GM45(dev_priv)) - dev_priv->display.get_cdclk = gm45_get_cdclk; - else if (IS_G45(dev_priv)) - dev_priv->display.get_cdclk = g33_get_cdclk; - else if (IS_I965GM(dev_priv)) - dev_priv->display.get_cdclk = i965gm_get_cdclk; - else if (IS_I965G(dev_priv)) - dev_priv->display.get_cdclk = fixed_400mhz_get_cdclk; - else if (IS_PINEVIEW(dev_priv)) - dev_priv->display.get_cdclk = pnv_get_cdclk; - else if (IS_G33(dev_priv)) - dev_priv->display.get_cdclk = g33_get_cdclk; - else if (IS_I945GM(dev_priv)) - dev_priv->display.get_cdclk = i945gm_get_cdclk; - else if (IS_I945G(dev_priv)) - dev_priv->display.get_cdclk = fixed_400mhz_get_cdclk; - else if (IS_I915GM(dev_priv)) - dev_priv->display.get_cdclk = i915gm_get_cdclk; - else if (IS_I915G(dev_priv)) - dev_priv->display.get_cdclk = fixed_333mhz_get_cdclk; - else if (IS_I865G(dev_priv)) - dev_priv->display.get_cdclk = fixed_266mhz_get_cdclk; - else if (IS_I85X(dev_priv)) - dev_priv->display.get_cdclk = i85x_get_cdclk; - else if (IS_I845G(dev_priv)) - dev_priv->display.get_cdclk = fixed_200mhz_get_cdclk; - else if (IS_I830(dev_priv)) - dev_priv->display.get_cdclk = fixed_133mhz_get_cdclk; - - if (drm_WARN(&dev_priv->drm, !dev_priv->display.get_cdclk, - "Unknown platform. Assuming 133 MHz CDCLK\n")) - dev_priv->display.get_cdclk = fixed_133mhz_get_cdclk; + if (drm_WARN(&dev_priv->drm, !dev_priv->cdclk_funcs, + "Unknown platform. Assuming i830\n")) + dev_priv->cdclk_funcs = &i830_cdclk_funcs; } diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h index b34eb00fb327..309b3f394e24 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.h +++ b/drivers/gpu/drm/i915/display/intel_cdclk.h @@ -68,7 +68,9 @@ void intel_set_cdclk_post_plane_update(struct intel_atomic_state *state); void intel_dump_cdclk_config(const struct intel_cdclk_config *cdclk_config, const char *context); int intel_modeset_calc_cdclk(struct intel_atomic_state *state); - +void intel_cdclk_get_cdclk(struct drm_i915_private *dev_priv, + struct intel_cdclk_config *cdclk_config); +int intel_cdclk_bw_calc_min_cdclk(struct intel_atomic_state *state); struct intel_cdclk_state * intel_atomic_get_cdclk_state(struct intel_atomic_state *state); diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index afcb4bf3826c..5359b7305a78 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -25,6 +25,8 @@ #include "intel_color.h" #include "intel_de.h" #include "intel_display_types.h" +#include "intel_dpll.h" +#include "intel_dsi.h" #define CTM_COEFF_SIGN (1ULL << 63) @@ -1137,14 +1139,14 @@ void intel_color_load_luts(const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - dev_priv->display.load_luts(crtc_state); + dev_priv->color_funcs->load_luts(crtc_state); } void intel_color_commit(const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - dev_priv->display.color_commit(crtc_state); + dev_priv->color_funcs->color_commit(crtc_state); } static bool intel_can_preload_luts(const struct intel_crtc_state *new_crtc_state) @@ -1200,15 +1202,15 @@ int intel_color_check(struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - return dev_priv->display.color_check(crtc_state); + return dev_priv->color_funcs->color_check(crtc_state); } void intel_color_get_config(struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - if (dev_priv->display.read_luts) - dev_priv->display.read_luts(crtc_state); + if (dev_priv->color_funcs->read_luts) + dev_priv->color_funcs->read_luts(crtc_state); } static bool need_plane_update(struct intel_plane *plane, @@ -2092,6 +2094,76 @@ static void icl_read_luts(struct intel_crtc_state *crtc_state) } } +static const struct intel_color_funcs chv_color_funcs = { + .color_check = chv_color_check, + .color_commit = i9xx_color_commit, + .load_luts = chv_load_luts, + .read_luts = chv_read_luts, +}; + +static const struct intel_color_funcs i965_color_funcs = { + .color_check = i9xx_color_check, + .color_commit = i9xx_color_commit, + .load_luts = i965_load_luts, + .read_luts = i965_read_luts, +}; + +static const struct intel_color_funcs i9xx_color_funcs = { + .color_check = i9xx_color_check, + .color_commit = i9xx_color_commit, + .load_luts = i9xx_load_luts, + .read_luts = i9xx_read_luts, +}; + +static const struct intel_color_funcs icl_color_funcs = { + .color_check = icl_color_check, + .color_commit = skl_color_commit, + .load_luts = icl_load_luts, + .read_luts = icl_read_luts, +}; + +static const struct intel_color_funcs glk_color_funcs = { + .color_check = glk_color_check, + .color_commit = skl_color_commit, + .load_luts = glk_load_luts, + .read_luts = glk_read_luts, +}; + +static const struct intel_color_funcs skl_color_funcs = { + .color_check = ivb_color_check, + .color_commit = skl_color_commit, + .load_luts = bdw_load_luts, + .read_luts = NULL, +}; + +static const struct intel_color_funcs bdw_color_funcs = { + .color_check = ivb_color_check, + .color_commit = hsw_color_commit, + .load_luts = bdw_load_luts, + .read_luts = NULL, +}; + +static const struct intel_color_funcs hsw_color_funcs = { + .color_check = ivb_color_check, + .color_commit = hsw_color_commit, + .load_luts = ivb_load_luts, + .read_luts = NULL, +}; + +static const struct intel_color_funcs ivb_color_funcs = { + .color_check = ivb_color_check, + .color_commit = ilk_color_commit, + .load_luts = ivb_load_luts, + .read_luts = NULL, +}; + +static const struct intel_color_funcs ilk_color_funcs = { + .color_check = ilk_color_check, + .color_commit = ilk_color_commit, + .load_luts = ilk_load_luts, + .read_luts = ilk_read_luts, +}; + void intel_color_init(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -2101,52 +2173,28 @@ void intel_color_init(struct intel_crtc *crtc) if (HAS_GMCH(dev_priv)) { if (IS_CHERRYVIEW(dev_priv)) { - dev_priv->display.color_check = chv_color_check; - dev_priv->display.color_commit = i9xx_color_commit; - dev_priv->display.load_luts = chv_load_luts; - dev_priv->display.read_luts = chv_read_luts; + dev_priv->color_funcs = &chv_color_funcs; } else if (DISPLAY_VER(dev_priv) >= 4) { - dev_priv->display.color_check = i9xx_color_check; - dev_priv->display.color_commit = i9xx_color_commit; - dev_priv->display.load_luts = i965_load_luts; - dev_priv->display.read_luts = i965_read_luts; + dev_priv->color_funcs = &i965_color_funcs; } else { - dev_priv->display.color_check = i9xx_color_check; - dev_priv->display.color_commit = i9xx_color_commit; - dev_priv->display.load_luts = i9xx_load_luts; - dev_priv->display.read_luts = i9xx_read_luts; + dev_priv->color_funcs = &i9xx_color_funcs; } } else { if (DISPLAY_VER(dev_priv) >= 11) - dev_priv->display.color_check = icl_color_check; - else if (DISPLAY_VER(dev_priv) >= 10) - dev_priv->display.color_check = glk_color_check; - else if (DISPLAY_VER(dev_priv) >= 7) - dev_priv->display.color_check = ivb_color_check; - else - dev_priv->display.color_check = ilk_color_check; - - if (DISPLAY_VER(dev_priv) >= 9) - dev_priv->display.color_commit = skl_color_commit; - else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) - dev_priv->display.color_commit = hsw_color_commit; - else - dev_priv->display.color_commit = ilk_color_commit; - - if (DISPLAY_VER(dev_priv) >= 11) { - dev_priv->display.load_luts = icl_load_luts; - dev_priv->display.read_luts = icl_read_luts; - } else if (DISPLAY_VER(dev_priv) == 10) { - dev_priv->display.load_luts = glk_load_luts; - dev_priv->display.read_luts = glk_read_luts; - } else if (DISPLAY_VER(dev_priv) >= 8) { - dev_priv->display.load_luts = bdw_load_luts; - } else if (DISPLAY_VER(dev_priv) >= 7) { - dev_priv->display.load_luts = ivb_load_luts; - } else { - dev_priv->display.load_luts = ilk_load_luts; - dev_priv->display.read_luts = ilk_read_luts; - } + dev_priv->color_funcs = &icl_color_funcs; + else if (DISPLAY_VER(dev_priv) == 10) + dev_priv->color_funcs = &glk_color_funcs; + else if (DISPLAY_VER(dev_priv) == 9) + dev_priv->color_funcs = &skl_color_funcs; + else if (DISPLAY_VER(dev_priv) == 8) + dev_priv->color_funcs = &bdw_color_funcs; + else if (DISPLAY_VER(dev_priv) == 7) { + if (IS_HASWELL(dev_priv)) + dev_priv->color_funcs = &hsw_color_funcs; + else + dev_priv->color_funcs = &ivb_color_funcs; + } else + dev_priv->color_funcs = &ilk_color_funcs; } drm_crtc_enable_color_mgmt(&crtc->base, diff --git a/drivers/gpu/drm/i915/display/intel_connector.c b/drivers/gpu/drm/i915/display/intel_connector.c index 9bed1ccecea0..c65f95a9a1ec 100644 --- a/drivers/gpu/drm/i915/display/intel_connector.c +++ b/drivers/gpu/drm/i915/display/intel_connector.c @@ -29,13 +29,13 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> -#include "display/intel_panel.h" - #include "i915_drv.h" +#include "intel_backlight.h" #include "intel_connector.h" #include "intel_display_debugfs.h" #include "intel_display_types.h" #include "intel_hdcp.h" +#include "intel_panel.h" int intel_connector_init(struct intel_connector *connector) { @@ -124,7 +124,7 @@ int intel_connector_register(struct drm_connector *connector) goto err_backlight; } - intel_connector_debugfs_add(connector); + intel_connector_debugfs_add(intel_connector); return 0; diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index 408f82b0dc7d..1c161eeed82f 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -251,7 +251,7 @@ static void hsw_post_disable_crt(struct intel_atomic_state *state, intel_crtc_vblank_off(old_crtc_state); - intel_disable_pipe(old_crtc_state); + intel_disable_transcoder(old_crtc_state); intel_ddi_disable_transcoder_func(old_crtc_state); @@ -314,7 +314,7 @@ static void hsw_enable_crt(struct intel_atomic_state *state, intel_ddi_enable_transcoder_func(encoder, crtc_state); - intel_enable_pipe(crtc_state); + intel_enable_transcoder(crtc_state); lpt_pch_enable(crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c index c7618fef0143..f6dcb5aa63f6 100644 --- a/drivers/gpu/drm/i915/display/intel_cursor.c +++ b/drivers/gpu/drm/i915/display/intel_cursor.c @@ -536,8 +536,10 @@ static void i9xx_update_cursor(struct intel_plane *plane, if (DISPLAY_VER(dev_priv) >= 9) skl_write_cursor_wm(plane, crtc_state); - if (!intel_crtc_needs_modeset(crtc_state)) + if (plane_state) intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, 0); + else + intel_psr2_disable_plane_sel_fetch(plane, crtc_state); if (plane->cursor.base != base || plane->cursor.size != fbc_ctl || @@ -637,8 +639,7 @@ intel_legacy_cursor_update(struct drm_plane *_plane, * FIXME bigjoiner fastpath would be good */ if (!crtc_state->hw.active || intel_crtc_needs_modeset(crtc_state) || - crtc_state->update_pipe || crtc_state->bigjoiner || - crtc_state->enable_psr2_sel_fetch) + crtc_state->update_pipe || crtc_state->bigjoiner) goto slow; /* @@ -696,7 +697,7 @@ intel_legacy_cursor_update(struct drm_plane *_plane, goto out_free; intel_frontbuffer_flush(to_intel_frontbuffer(new_plane_state->hw.fb), - ORIGIN_FLIP); + ORIGIN_CURSOR_UPDATE); intel_frontbuffer_track(to_intel_frontbuffer(old_plane_state->hw.fb), to_intel_frontbuffer(new_plane_state->hw.fb), plane->frontbuffer_bit); diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 9903a78df896..0d4cf7fa8720 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -29,6 +29,7 @@ #include "i915_drv.h" #include "intel_audio.h" +#include "intel_backlight.h" #include "intel_combo_phy.h" #include "intel_connector.h" #include "intel_crtc.h" @@ -40,6 +41,7 @@ #include "intel_dp_link_training.h" #include "intel_dp_mst.h" #include "intel_dpio_phy.h" +#include "intel_drrs.h" #include "intel_dsi.h" #include "intel_fdi.h" #include "intel_fifo_underrun.h" @@ -48,7 +50,6 @@ #include "intel_hdmi.h" #include "intel_hotplug.h" #include "intel_lspcon.h" -#include "intel_panel.h" #include "intel_pps.h" #include "intel_psr.h" #include "intel_snps_phy.h" @@ -73,24 +74,27 @@ static const u8 index_to_dp_signal_levels[] = { }; static int intel_ddi_hdmi_level(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) + const struct intel_ddi_buf_trans *trans) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int n_entries, level, default_entry; + int level; - n_entries = intel_ddi_hdmi_num_entries(encoder, crtc_state, &default_entry); - if (n_entries == 0) - return 0; level = intel_bios_hdmi_level_shift(encoder); if (level < 0) - level = default_entry; - - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; + level = trans->hdmi_default_entry; return level; } +static bool has_buf_trans_select(struct drm_i915_private *i915) +{ + return DISPLAY_VER(i915) < 10 && !IS_BROXTON(i915); +} + +static bool has_iboost(struct drm_i915_private *i915) +{ + return DISPLAY_VER(i915) == 9 && !IS_BROXTON(i915); +} + /* * Starting with Haswell, DDI port buffers must be programmed with correct * values in advance. This function programs the correct values for @@ -103,22 +107,22 @@ void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, u32 iboost_bit = 0; int i, n_entries; enum port port = encoder->port; - const struct intel_ddi_buf_trans *ddi_translations; + const struct intel_ddi_buf_trans *trans; - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; /* If we're boosting the current, set bit 31 of trans1 */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) && + if (has_iboost(dev_priv) && intel_bios_encoder_dp_boost_level(encoder->devdata)) iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; for (i = 0; i < n_entries; i++) { intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, i), - ddi_translations->entries[i].hsw.trans1 | iboost_bit); + trans->entries[i].hsw.trans1 | iboost_bit); intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, i), - ddi_translations->entries[i].hsw.trans2); + trans->entries[i].hsw.trans2); } } @@ -128,31 +132,29 @@ void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, * HDMI/DVI use cases. */ static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + int level = intel_ddi_level(encoder, crtc_state, 0); u32 iboost_bit = 0; int n_entries; enum port port = encoder->port; - const struct intel_ddi_buf_trans *ddi_translations; + const struct intel_ddi_buf_trans *trans; - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; /* If we're boosting the current, set bit 31 of trans1 */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) && + if (has_iboost(dev_priv) && intel_bios_encoder_hdmi_boost_level(encoder->devdata)) iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; /* Entry 9 is for HDMI: */ intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, 9), - ddi_translations->entries[level].hsw.trans1 | iboost_bit); + trans->entries[level].hsw.trans1 | iboost_bit); intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, 9), - ddi_translations->entries[level].hsw.trans2); + trans->entries[level].hsw.trans2); } void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, @@ -281,13 +283,14 @@ static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder, struct intel_digital_port *dig_port = enc_to_dig_port(encoder); enum phy phy = intel_port_to_phy(i915, encoder->port); + /* DDI_BUF_CTL_ENABLE will be set by intel_ddi_prepare_link_retrain() later */ intel_dp->DP = dig_port->saved_port_bits | - DDI_BUF_CTL_ENABLE | DDI_BUF_TRANS_SELECT(0); - intel_dp->DP |= DDI_PORT_WIDTH(crtc_state->lane_count); + DDI_PORT_WIDTH(crtc_state->lane_count) | + DDI_BUF_TRANS_SELECT(0); if (IS_ALDERLAKE_P(i915) && intel_phy_is_tc(i915, phy)) { intel_dp->DP |= ddi_buf_phy_link_rate(crtc_state->port_clock); - if (dig_port->tc_mode != TC_PORT_TBT_ALT) + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) intel_dp->DP |= DDI_BUF_CTL_TC_PHY_OWNERSHIP; } } @@ -407,6 +410,20 @@ static u32 bdw_trans_port_sync_master_select(enum transcoder master_transcoder) return master_transcoder + 1; } +static void +intel_ddi_config_transcoder_dp2(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 val = 0; + + if (intel_dp_is_uhbr(crtc_state)) + val = TRANS_DP2_128B132B_CHANNEL_CODING; + + intel_de_write(i915, TRANS_DP2_CTL(cpu_transcoder), val); +} + /* * Returns the TRANS_DDI_FUNC_CTL value based on CRTC state. * @@ -488,10 +505,13 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, if (crtc_state->hdmi_high_tmds_clock_ratio) temp |= TRANS_DDI_HIGH_TMDS_CHAR_RATE; } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) { - temp |= TRANS_DDI_MODE_SELECT_FDI; + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; temp |= (crtc_state->fdi_lanes - 1) << 1; } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { - temp |= TRANS_DDI_MODE_SELECT_DP_MST; + if (intel_dp_is_uhbr(crtc_state)) + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; + else + temp |= TRANS_DDI_MODE_SELECT_DP_MST; temp |= DDI_PORT_WIDTH(crtc_state->lane_count); if (DISPLAY_VER(dev_priv) >= 12) { @@ -678,8 +698,13 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) ret = false; break; - case TRANS_DDI_MODE_SELECT_FDI: - ret = type == DRM_MODE_CONNECTOR_VGA; + case TRANS_DDI_MODE_SELECT_FDI_OR_128B132B: + if (HAS_DP20(dev_priv)) + /* 128b/132b */ + ret = false; + else + /* FDI */ + ret = type == DRM_MODE_CONNECTOR_VGA; break; default: @@ -766,8 +791,9 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, if ((tmp & port_mask) != ddi_select) continue; - if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == - TRANS_DDI_MODE_SELECT_DP_MST) + if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_DP_MST || + (HAS_DP20(dev_priv) && + (tmp & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B)) mst_pipe_mask |= BIT(p); *pipe_mask |= BIT(p); @@ -861,8 +887,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder, dig_port = enc_to_dig_port(encoder); - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) { + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); @@ -947,16 +972,14 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, iboost = intel_bios_encoder_dp_boost_level(encoder->devdata); if (iboost == 0) { - const struct intel_ddi_buf_trans *ddi_translations; + const struct intel_ddi_buf_trans *trans; int n_entries; - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; - iboost = ddi_translations->entries[level].hsw.i_boost; + iboost = trans->entries[level].hsw.i_boost; } /* Make sure that the requested I_boost is valid */ @@ -971,28 +994,6 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, _skl_ddi_set_iboost(dev_priv, PORT_E, iboost); } -static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct intel_ddi_buf_trans *ddi_translations; - enum port port = encoder->port; - int n_entries; - - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) - return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; - - bxt_ddi_phy_set_signal_level(dev_priv, port, - ddi_translations->entries[level].bxt.margin, - ddi_translations->entries[level].bxt.scale, - ddi_translations->entries[level].bxt.enable, - ddi_translations->entries[level].bxt.deemphasis); -} - static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { @@ -1023,26 +1024,24 @@ static u8 intel_ddi_dp_preemph_max(struct intel_dp *intel_dp) } static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct intel_ddi_buf_trans *ddi_translations; + int level = intel_ddi_level(encoder, crtc_state, 0); + const struct intel_ddi_buf_trans *trans; enum phy phy = intel_port_to_phy(dev_priv, encoder->port); int n_entries, ln; u32 val; - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); val = EDP4K2K_MODE_OVRD_EN | EDP4K2K_MODE_OVRD_OPTIMIZED; - intel_dp->hobl_active = is_hobl_buf_trans(ddi_translations); + intel_dp->hobl_active = is_hobl_buf_trans(trans); intel_de_rmw(dev_priv, ICL_PORT_CL_DW10(phy), val, intel_dp->hobl_active ? val : 0); } @@ -1060,8 +1059,8 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, val = intel_de_read(dev_priv, ICL_PORT_TX_DW2_LN0(phy)); val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(ddi_translations->entries[level].icl.dw2_swing_sel); - val |= SWING_SEL_LOWER(ddi_translations->entries[level].icl.dw2_swing_sel); + val |= SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel); + val |= SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel); /* Program Rcomp scalar for every table entry */ val |= RCOMP_SCALAR(0x98); intel_de_write(dev_priv, ICL_PORT_TX_DW2_GRP(phy), val); @@ -1072,22 +1071,21 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy)); val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK); - val |= POST_CURSOR_1(ddi_translations->entries[level].icl.dw4_post_cursor_1); - val |= POST_CURSOR_2(ddi_translations->entries[level].icl.dw4_post_cursor_2); - val |= CURSOR_COEFF(ddi_translations->entries[level].icl.dw4_cursor_coeff); + val |= POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1); + val |= POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2); + val |= CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff); intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val); } /* Program PORT_TX_DW7 */ val = intel_de_read(dev_priv, ICL_PORT_TX_DW7_LN0(phy)); val &= ~N_SCALAR_MASK; - val |= N_SCALAR(ddi_translations->entries[level].icl.dw7_n_scalar); + val |= N_SCALAR(trans->entries[level].icl.dw7_n_scalar); intel_de_write(dev_priv, ICL_PORT_TX_DW7_GRP(phy), val); } -static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) +static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum phy phy = intel_port_to_phy(dev_priv, encoder->port); @@ -1138,7 +1136,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); /* 5. Program swing and de-emphasis */ - icl_ddi_combo_vswing_program(encoder, crtc_state, level); + icl_ddi_combo_vswing_program(encoder, crtc_state); /* 6. Set training enable to trigger update */ val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN0(phy)); @@ -1146,24 +1144,22 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); } -static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) +static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); - const struct intel_ddi_buf_trans *ddi_translations; + int level = intel_ddi_level(encoder, crtc_state, 0); + const struct intel_ddi_buf_trans *trans; int n_entries, ln; u32 val; - if (enc_to_dig_port(encoder)->tc_mode == TC_PORT_TBT_ALT) + if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) return; - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; /* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */ for (ln = 0; ln < 2; ln++) { @@ -1181,13 +1177,13 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, val = intel_de_read(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port)); val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; val |= CRI_TXDEEMPH_OVERRIDE_17_12( - ddi_translations->entries[level].mg.cri_txdeemph_override_17_12); + trans->entries[level].mg.cri_txdeemph_override_17_12); intel_de_write(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), val); val = intel_de_read(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port)); val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; val |= CRI_TXDEEMPH_OVERRIDE_17_12( - ddi_translations->entries[level].mg.cri_txdeemph_override_17_12); + trans->entries[level].mg.cri_txdeemph_override_17_12); intel_de_write(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), val); } @@ -1197,9 +1193,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | CRI_TXDEEMPH_OVERRIDE_5_0_MASK); val |= CRI_TXDEEMPH_OVERRIDE_5_0( - ddi_translations->entries[level].mg.cri_txdeemph_override_5_0) | + trans->entries[level].mg.cri_txdeemph_override_5_0) | CRI_TXDEEMPH_OVERRIDE_11_6( - ddi_translations->entries[level].mg.cri_txdeemph_override_11_6) | + trans->entries[level].mg.cri_txdeemph_override_11_6) | CRI_TXDEEMPH_OVERRIDE_EN; intel_de_write(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), val); @@ -1207,9 +1203,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | CRI_TXDEEMPH_OVERRIDE_5_0_MASK); val |= CRI_TXDEEMPH_OVERRIDE_5_0( - ddi_translations->entries[level].mg.cri_txdeemph_override_5_0) | + trans->entries[level].mg.cri_txdeemph_override_5_0) | CRI_TXDEEMPH_OVERRIDE_11_6( - ddi_translations->entries[level].mg.cri_txdeemph_override_11_6) | + trans->entries[level].mg.cri_txdeemph_override_11_6) | CRI_TXDEEMPH_OVERRIDE_EN; intel_de_write(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), val); @@ -1269,45 +1265,29 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, } } -static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - if (intel_phy_is_combo(dev_priv, phy)) - icl_combo_phy_ddi_vswing_sequence(encoder, crtc_state, level); - else - icl_mg_phy_ddi_vswing_sequence(encoder, crtc_state, level); -} - -static void -tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) +static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); - const struct intel_ddi_buf_trans *ddi_translations; + int level = intel_ddi_level(encoder, crtc_state, 0); + const struct intel_ddi_buf_trans *trans; u32 val, dpcnt_mask, dpcnt_val; int n_entries, ln; - if (enc_to_dig_port(encoder)->tc_mode == TC_PORT_TBT_ALT) + if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) return; - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; dpcnt_mask = (DKL_TX_PRESHOOT_COEFF_MASK | DKL_TX_DE_EMPAHSIS_COEFF_MASK | DKL_TX_VSWING_CONTROL_MASK); - dpcnt_val = DKL_TX_VSWING_CONTROL(ddi_translations->entries[level].dkl.dkl_vswing_control); - dpcnt_val |= DKL_TX_DE_EMPHASIS_COEFF(ddi_translations->entries[level].dkl.dkl_de_emphasis_control); - dpcnt_val |= DKL_TX_PRESHOOT_COEFF(ddi_translations->entries[level].dkl.dkl_preshoot_control); + dpcnt_val = DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.dkl_vswing_control); + dpcnt_val |= DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.dkl_de_emphasis_control); + dpcnt_val |= DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.dkl_preshoot_control); for (ln = 0; ln < 2; ln++) { intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), @@ -1340,19 +1320,6 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, } } -static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int level) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - if (intel_phy_is_combo(dev_priv, phy)) - icl_combo_phy_ddi_vswing_sequence(encoder, crtc_state, level); - else - tgl_dkl_phy_ddi_vswing_sequence(encoder, crtc_state, level); -} - static int translate_signal_level(struct intel_dp *intel_dp, u8 signal_levels) { @@ -1371,65 +1338,55 @@ static int translate_signal_level(struct intel_dp *intel_dp, return 0; } -static int intel_ddi_dp_level(struct intel_dp *intel_dp) +static int intel_ddi_dp_level(struct intel_dp *intel_dp, int lane) { - u8 train_set = intel_dp->train_set[0]; + u8 train_set = intel_dp->train_set[lane]; u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | DP_TRAIN_PRE_EMPHASIS_MASK); return translate_signal_level(intel_dp, signal_levels); } -static void -dg2_set_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) +int intel_ddi_level(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + int lane) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); - - intel_snps_phy_ddi_vswing_sequence(encoder, level); -} - -static void -tgl_set_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); - - tgl_ddi_vswing_sequence(encoder, crtc_state, level); -} + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_ddi_buf_trans *trans; + int level, n_entries; -static void -icl_set_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&i915->drm, !trans)) + return 0; - icl_ddi_vswing_sequence(encoder, crtc_state, level); -} + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + level = intel_ddi_hdmi_level(encoder, trans); + else + level = intel_ddi_dp_level(enc_to_intel_dp(encoder), lane); -static void -bxt_set_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); + if (drm_WARN_ON_ONCE(&i915->drm, level >= n_entries)) + level = n_entries - 1; - bxt_ddi_vswing_sequence(encoder, crtc_state, level); + return level; } static void -hsw_set_signal_levels(struct intel_dp *intel_dp, +hsw_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int level = intel_ddi_dp_level(intel_dp); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + int level = intel_ddi_level(encoder, crtc_state, 0); enum port port = encoder->port; u32 signal_levels; + if (has_iboost(dev_priv)) + skl_ddi_set_iboost(encoder, crtc_state, level); + + /* HDMI ignores the rest */ + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + return; + signal_levels = DDI_BUF_TRANS_SELECT(level); drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n", @@ -1438,9 +1395,6 @@ hsw_set_signal_levels(struct intel_dp *intel_dp, intel_dp->DP &= ~DDI_BUF_EMP_MASK; intel_dp->DP |= signal_levels; - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) - skl_ddi_set_iboost(encoder, crtc_state, level); - intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); } @@ -2059,7 +2013,7 @@ icl_program_mg_dp_mode(struct intel_digital_port *dig_port, u8 width; if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode == TC_PORT_TBT_ALT) + intel_tc_port_in_tbt_alt_mode(dig_port)) return; if (DISPLAY_VER(dev_priv) >= 12) { @@ -2084,7 +2038,7 @@ icl_program_mg_dp_mode(struct intel_digital_port *dig_port, switch (pin_assignment) { case 0x0: drm_WARN_ON(&dev_priv->drm, - dig_port->tc_mode != TC_PORT_LEGACY); + !intel_tc_port_in_legacy_mode(dig_port)); if (width == 1) { ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; } else { @@ -2329,15 +2283,19 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state, { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); - int level = intel_ddi_dp_level(intel_dp); intel_dp_set_link_params(intel_dp, crtc_state->port_clock, crtc_state->lane_count); /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); + + /* * 1. Enable Power Wells * * This was handled at the beginning of intel_atomic_commit_tail(), @@ -2353,8 +2311,7 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state, intel_ddi_enable_clock(encoder, crtc_state); /* 4. Enable IO power */ - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); @@ -2374,7 +2331,8 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state, */ intel_ddi_enable_pipe_clock(encoder, crtc_state); - /* 5.b Not relevant to i915 for now */ + /* 5.b Configure transcoder for DP 2.0 128b/132b */ + intel_ddi_config_transcoder_dp2(encoder, crtc_state); /* * 5.c Configure TRANS_DDI_FUNC_CTL DDI Select, DDI Mode Select & MST @@ -2391,21 +2349,12 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state, */ /* 5.e Configure voltage swing and related IO settings */ - intel_snps_phy_ddi_vswing_sequence(encoder, level); - - /* - * 5.f Configure and enable DDI_BUF_CTL - * 5.g Wait for DDI_BUF_CTL DDI Idle Status = 0b (Not Idle), timeout - * after 1200 us. - * - * We only configure what the register value will be here. Actual - * enabling happens during link training farther down. - */ - intel_ddi_init_dp_buf_reg(encoder, crtc_state); + encoder->set_signal_levels(encoder, crtc_state); if (!is_mst) intel_dp_set_power(intel_dp, DP_SET_POWER_D0); + intel_dp_configure_protocol_converter(intel_dp, crtc_state); intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true); /* * DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit @@ -2413,6 +2362,8 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state, * training */ intel_dp_sink_set_fec_ready(intel_dp, crtc_state); + intel_dp_check_frl_training(intel_dp); + intel_dp_pcon_dsc_configure(intel_dp, crtc_state); /* * 5.h Follow DisplayPort specification training sequence (see notes for @@ -2439,16 +2390,20 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); - int level = intel_ddi_dp_level(intel_dp); intel_dp_set_link_params(intel_dp, crtc_state->port_clock, crtc_state->lane_count); /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); + + /* * 1. Enable Power Wells * * This was handled at the beginning of intel_atomic_commit_tail(), @@ -2476,8 +2431,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, intel_ddi_enable_clock(encoder, crtc_state); /* 5. If IO power is controlled through PWR_WELL_CTL, Enable IO Power */ - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) { + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); @@ -2517,7 +2471,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, */ /* 7.e Configure voltage swing and related IO settings */ - tgl_ddi_vswing_sequence(encoder, crtc_state, level); + encoder->set_signal_levels(encoder, crtc_state); /* * 7.f Combo PHY: Configure PORT_CL_DW10 Static Power Down to power up @@ -2530,16 +2484,6 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, */ intel_ddi_mso_configure(crtc_state); - /* - * 7.g Configure and enable DDI_BUF_CTL - * 7.h Wait for DDI_BUF_CTL DDI Idle Status = 0b (Not Idle), timeout - * after 500 us. - * - * We only configure what the register value will be here. Actual - * enabling happens during link training farther down. - */ - intel_ddi_init_dp_buf_reg(encoder, crtc_state); - if (!is_mst) intel_dp_set_power(intel_dp, DP_SET_POWER_D0); @@ -2582,10 +2526,8 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; - enum phy phy = intel_port_to_phy(dev_priv, port); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); - int level = intel_ddi_dp_level(intel_dp); if (DISPLAY_VER(dev_priv) < 11) drm_WARN_ON(&dev_priv->drm, @@ -2597,12 +2539,17 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, crtc_state->port_clock, crtc_state->lane_count); + /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); + intel_pps_on(intel_dp); intel_ddi_enable_clock(encoder, crtc_state); - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) { + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); @@ -2610,16 +2557,13 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, icl_program_mg_dp_mode(dig_port, crtc_state); - if (DISPLAY_VER(dev_priv) >= 11) - icl_ddi_vswing_sequence(encoder, crtc_state, level); - else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - bxt_ddi_vswing_sequence(encoder, crtc_state, level); - else + if (has_buf_trans_select(dev_priv)) hsw_prepare_dp_ddi_buffers(encoder, crtc_state); + encoder->set_signal_levels(encoder, crtc_state); + intel_ddi_power_up_lanes(encoder, crtc_state); - intel_ddi_init_dp_buf_reg(encoder, crtc_state); if (!is_mst) intel_dp_set_power(intel_dp, DP_SET_POWER_D0); intel_dp_configure_protocol_converter(intel_dp, crtc_state); @@ -2772,7 +2716,6 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, struct intel_dp *intel_dp = &dig_port->dp; bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); if (!is_mst) intel_dp_set_infoframes(encoder, false, @@ -2815,8 +2758,7 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, intel_pps_vdd_on(intel_dp); intel_pps_off(intel_dp); - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) intel_display_power_put(dev_priv, dig_port->ddi_io_power_domain, fetch_and_zero(&dig_port->ddi_io_wakeref)); @@ -2862,7 +2804,7 @@ static void intel_ddi_post_disable(struct intel_atomic_state *state, if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST)) { intel_crtc_vblank_off(old_crtc_state); - intel_disable_pipe(old_crtc_state); + intel_disable_transcoder(old_crtc_state); intel_vrr_disable(old_crtc_state); @@ -3005,12 +2947,11 @@ static void intel_enable_ddi_dp(struct intel_atomic_state *state, intel_dp_stop_link_train(intel_dp, crtc_state); intel_edp_backlight_on(crtc_state, conn_state); - intel_psr_enable(intel_dp, crtc_state, conn_state); if (!dig_port->lspcon.active || dig_port->dp.has_hdmi_sink) intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); - intel_edp_drrs_enable(intel_dp, crtc_state); + intel_drrs_enable(intel_dp, crtc_state); if (crtc_state->has_audio) intel_audio_codec_enable(encoder, crtc_state, conn_state); @@ -3046,7 +2987,6 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct drm_connector *connector = conn_state->connector; - int level = intel_ddi_hdmi_level(encoder, crtc_state); enum port port = encoder->port; if (!intel_hdmi_handle_sink_scrambling(encoder, connector, @@ -3056,19 +2996,10 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, "[CONNECTOR:%d:%s] Failed to configure sink scrambling/TMDS bit clock ratio\n", connector->base.id, connector->name); - if (IS_DG2(dev_priv)) - intel_snps_phy_ddi_vswing_sequence(encoder, U32_MAX); - else if (DISPLAY_VER(dev_priv) >= 12) - tgl_ddi_vswing_sequence(encoder, crtc_state, level); - else if (DISPLAY_VER(dev_priv) == 11) - icl_ddi_vswing_sequence(encoder, crtc_state, level); - else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - bxt_ddi_vswing_sequence(encoder, crtc_state, level); - else - hsw_prepare_hdmi_ddi_buffers(encoder, crtc_state, level); + if (has_buf_trans_select(dev_priv)) + hsw_prepare_hdmi_ddi_buffers(encoder, crtc_state); - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) - skl_ddi_set_iboost(encoder, crtc_state, level); + encoder->set_signal_levels(encoder, crtc_state); /* Display WA #1143: skl,kbl,cfl */ if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) { @@ -3133,7 +3064,7 @@ static void intel_enable_ddi(struct intel_atomic_state *state, intel_vrr_enable(encoder, crtc_state); - intel_enable_pipe(crtc_state); + intel_enable_transcoder(crtc_state); intel_crtc_vblank_on(crtc_state); @@ -3198,7 +3129,7 @@ static void intel_pre_disable_ddi(struct intel_atomic_state *state, return; intel_dp = enc_to_intel_dp(encoder); - intel_edp_drrs_disable(intel_dp, old_crtc_state); + intel_drrs_disable(intel_dp, old_crtc_state); intel_psr_disable(intel_dp, old_crtc_state); } @@ -3226,11 +3157,10 @@ static void intel_ddi_update_pipe_dp(struct intel_atomic_state *state, intel_ddi_set_dp_msa(crtc_state, conn_state); - intel_psr_update(intel_dp, crtc_state, conn_state); intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); - intel_edp_drrs_update(intel_dp, crtc_state); + intel_drrs_update(intel_dp, crtc_state); - intel_panel_update_backlight(state, encoder, crtc_state, conn_state); + intel_backlight_update(state, encoder, crtc_state, conn_state); } void intel_ddi_update_pipe(struct intel_atomic_state *state, @@ -3293,7 +3223,7 @@ intel_ddi_pre_pll_enable(struct intel_atomic_state *state, intel_ddi_main_link_aux_domain(dig_port)); } - if (is_tc_port && dig_port->tc_mode != TC_PORT_TBT_ALT) + if (is_tc_port && !intel_tc_port_in_tbt_alt_mode(dig_port)) /* * Program the lane count for static/dynamic connections on * Type-C ports. Skip this step for TBT. @@ -3553,9 +3483,6 @@ static void intel_ddi_read_func_ctl(struct intel_encoder *encoder, pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI); pipe_config->lane_count = 4; break; - case TRANS_DDI_MODE_SELECT_FDI: - pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); - break; case TRANS_DDI_MODE_SELECT_DP_SST: if (encoder->type == INTEL_OUTPUT_EDP) pipe_config->output_types |= BIT(INTEL_OUTPUT_EDP); @@ -3584,6 +3511,13 @@ static void intel_ddi_read_func_ctl(struct intel_encoder *encoder, pipe_config->infoframes.enable |= intel_hdmi_infoframes_enabled(encoder, pipe_config); break; + case TRANS_DDI_MODE_SELECT_FDI_OR_128B132B: + if (!HAS_DP20(dev_priv)) { + /* FDI */ + pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); + break; + } + fallthrough; /* 128b/132b */ case TRANS_DDI_MODE_SELECT_DP_MST: pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST); pipe_config->lane_count = @@ -3807,7 +3741,13 @@ void hsw_ddi_get_config(struct intel_encoder *encoder, static void intel_ddi_sync_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - if (intel_crtc_has_dp_encoder(crtc_state)) + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_phy_is_tc(i915, phy)) + intel_tc_port_sanitize(enc_to_dig_port(encoder)); + + if (crtc_state && intel_crtc_has_dp_encoder(crtc_state)) intel_dp_sync_state(encoder, crtc_state); } @@ -3989,8 +3929,11 @@ static void intel_ddi_encoder_destroy(struct drm_encoder *encoder) { struct drm_i915_private *i915 = to_i915(encoder->dev); struct intel_digital_port *dig_port = enc_to_dig_port(to_intel_encoder(encoder)); + enum phy phy = intel_port_to_phy(i915, dig_port->base.port); intel_dp_encoder_flush_work(encoder); + if (intel_phy_is_tc(i915, phy)) + intel_tc_port_flush_work(dig_port); intel_display_power_flush_work(i915); drm_encoder_cleanup(encoder); @@ -4016,7 +3959,6 @@ static const struct drm_encoder_funcs intel_ddi_funcs = { static struct intel_connector * intel_ddi_init_dp_connector(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); struct intel_connector *connector; enum port port = dig_port->base.port; @@ -4029,17 +3971,6 @@ intel_ddi_init_dp_connector(struct intel_digital_port *dig_port) dig_port->dp.set_link_train = intel_ddi_set_link_train; dig_port->dp.set_idle_link_train = intel_ddi_set_idle_link_train; - if (IS_DG2(dev_priv)) - dig_port->dp.set_signal_levels = dg2_set_signal_levels; - else if (DISPLAY_VER(dev_priv) >= 12) - dig_port->dp.set_signal_levels = tgl_set_signal_levels; - else if (DISPLAY_VER(dev_priv) >= 11) - dig_port->dp.set_signal_levels = icl_set_signal_levels; - else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - dig_port->dp.set_signal_levels = bxt_set_signal_levels; - else - dig_port->dp.set_signal_levels = hsw_set_signal_levels; - dig_port->dp.voltage_max = intel_ddi_dp_voltage_max; dig_port->dp.preemph_max = intel_ddi_dp_preemph_max; @@ -4415,7 +4346,7 @@ static void intel_ddi_encoder_suspend(struct intel_encoder *encoder) if (!intel_phy_is_tc(i915, phy)) return; - intel_tc_port_disconnect_phy(dig_port); + intel_tc_port_flush_work(dig_port); } static void intel_ddi_encoder_shutdown(struct intel_encoder *encoder) @@ -4430,7 +4361,7 @@ static void intel_ddi_encoder_shutdown(struct intel_encoder *encoder) if (!intel_phy_is_tc(i915, phy)) return; - intel_tc_port_disconnect_phy(dig_port); + intel_tc_port_flush_work(dig_port); } #define port_tc_name(port) ((port) - PORT_TC1 + '1') @@ -4611,6 +4542,24 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) encoder->get_config = hsw_ddi_get_config; } + if (IS_DG2(dev_priv)) { + encoder->set_signal_levels = intel_snps_phy_set_signal_levels; + } else if (DISPLAY_VER(dev_priv) >= 12) { + if (intel_phy_is_combo(dev_priv, phy)) + encoder->set_signal_levels = icl_combo_phy_set_signal_levels; + else + encoder->set_signal_levels = tgl_dkl_phy_set_signal_levels; + } else if (DISPLAY_VER(dev_priv) >= 11) { + if (intel_phy_is_combo(dev_priv, phy)) + encoder->set_signal_levels = icl_combo_phy_set_signal_levels; + else + encoder->set_signal_levels = icl_mg_phy_set_signal_levels; + } else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { + encoder->set_signal_levels = bxt_ddi_phy_set_signal_levels; + } else { + encoder->set_signal_levels = hsw_set_signal_levels; + } + intel_ddi_buf_trans_init(encoder); if (DISPLAY_VER(dev_priv) >= 13) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.h b/drivers/gpu/drm/i915/display/intel_ddi.h index 7d448485d887..d6971717ef9c 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.h +++ b/drivers/gpu/drm/i915/display/intel_ddi.h @@ -59,13 +59,12 @@ void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, bool state); void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, struct intel_crtc_state *crtc_state); -u32 bxt_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -u32 ddi_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder, enum transcoder cpu_transcoder, bool enable, u32 hdcp_mask); void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder); +int intel_ddi_level(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + int lane); #endif /* __INTEL_DDI_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c index ba2c08f1a797..a2d39131ea53 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c @@ -13,7 +13,7 @@ * them for both DP and FDI transports, allowing those ports to * automatically adapt to HDMI connections as well */ -static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _hsw_trans_dp[] = { { .hsw = { 0x00FFFFFF, 0x0006000E, 0x0 } }, { .hsw = { 0x00D75FFF, 0x0005000A, 0x0 } }, { .hsw = { 0x00C30FFF, 0x00040006, 0x0 } }, @@ -25,12 +25,12 @@ static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_dp[] = { { .hsw = { 0x80D75FFF, 0x000B0000, 0x0 } }, }; -static const struct intel_ddi_buf_trans hsw_ddi_translations_dp = { - .entries = _hsw_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_hsw_ddi_translations_dp), +static const struct intel_ddi_buf_trans hsw_trans_dp = { + .entries = _hsw_trans_dp, + .num_entries = ARRAY_SIZE(_hsw_trans_dp), }; -static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_fdi[] = { +static const union intel_ddi_buf_trans_entry _hsw_trans_fdi[] = { { .hsw = { 0x00FFFFFF, 0x0007000E, 0x0 } }, { .hsw = { 0x00D75FFF, 0x000F000A, 0x0 } }, { .hsw = { 0x00C30FFF, 0x00060006, 0x0 } }, @@ -42,12 +42,12 @@ static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_fdi[] = { { .hsw = { 0x00D75FFF, 0x001E0000, 0x0 } }, }; -static const struct intel_ddi_buf_trans hsw_ddi_translations_fdi = { - .entries = _hsw_ddi_translations_fdi, - .num_entries = ARRAY_SIZE(_hsw_ddi_translations_fdi), +static const struct intel_ddi_buf_trans hsw_trans_fdi = { + .entries = _hsw_trans_fdi, + .num_entries = ARRAY_SIZE(_hsw_trans_fdi), }; -static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _hsw_trans_hdmi[] = { /* Idx NT mV d T mV d db */ { .hsw = { 0x00FFFFFF, 0x0006000E, 0x0 } }, /* 0: 400 400 0 */ { .hsw = { 0x00E79FFF, 0x000E000C, 0x0 } }, /* 1: 400 500 2 */ @@ -63,13 +63,13 @@ static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_hdmi[] = { { .hsw = { 0x80FFFFFF, 0x00030002, 0x0 } }, /* 11: 1000 1000 0 */ }; -static const struct intel_ddi_buf_trans hsw_ddi_translations_hdmi = { - .entries = _hsw_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_hsw_ddi_translations_hdmi), +static const struct intel_ddi_buf_trans hsw_trans_hdmi = { + .entries = _hsw_trans_hdmi, + .num_entries = ARRAY_SIZE(_hsw_trans_hdmi), .hdmi_default_entry = 6, }; -static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_edp[] = { +static const union intel_ddi_buf_trans_entry _bdw_trans_edp[] = { { .hsw = { 0x00FFFFFF, 0x00000012, 0x0 } }, { .hsw = { 0x00EBAFFF, 0x00020011, 0x0 } }, { .hsw = { 0x00C71FFF, 0x0006000F, 0x0 } }, @@ -81,12 +81,12 @@ static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_edp[] = { { .hsw = { 0x00DB6FFF, 0x000A000C, 0x0 } }, }; -static const struct intel_ddi_buf_trans bdw_ddi_translations_edp = { - .entries = _bdw_ddi_translations_edp, - .num_entries = ARRAY_SIZE(_bdw_ddi_translations_edp), +static const struct intel_ddi_buf_trans bdw_trans_edp = { + .entries = _bdw_trans_edp, + .num_entries = ARRAY_SIZE(_bdw_trans_edp), }; -static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _bdw_trans_dp[] = { { .hsw = { 0x00FFFFFF, 0x0007000E, 0x0 } }, { .hsw = { 0x00D75FFF, 0x000E000A, 0x0 } }, { .hsw = { 0x00BEFFFF, 0x00140006, 0x0 } }, @@ -98,12 +98,12 @@ static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_dp[] = { { .hsw = { 0x80D75FFF, 0x001B0002, 0x0 } }, }; -static const struct intel_ddi_buf_trans bdw_ddi_translations_dp = { - .entries = _bdw_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_bdw_ddi_translations_dp), +static const struct intel_ddi_buf_trans bdw_trans_dp = { + .entries = _bdw_trans_dp, + .num_entries = ARRAY_SIZE(_bdw_trans_dp), }; -static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_fdi[] = { +static const union intel_ddi_buf_trans_entry _bdw_trans_fdi[] = { { .hsw = { 0x00FFFFFF, 0x0001000E, 0x0 } }, { .hsw = { 0x00D75FFF, 0x0004000A, 0x0 } }, { .hsw = { 0x00C30FFF, 0x00070006, 0x0 } }, @@ -115,12 +115,12 @@ static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_fdi[] = { { .hsw = { 0x00D75FFF, 0x000C0000, 0x0 } }, }; -static const struct intel_ddi_buf_trans bdw_ddi_translations_fdi = { - .entries = _bdw_ddi_translations_fdi, - .num_entries = ARRAY_SIZE(_bdw_ddi_translations_fdi), +static const struct intel_ddi_buf_trans bdw_trans_fdi = { + .entries = _bdw_trans_fdi, + .num_entries = ARRAY_SIZE(_bdw_trans_fdi), }; -static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _bdw_trans_hdmi[] = { /* Idx NT mV d T mV df db */ { .hsw = { 0x00FFFFFF, 0x0007000E, 0x0 } }, /* 0: 400 400 0 */ { .hsw = { 0x00D75FFF, 0x000E000A, 0x0 } }, /* 1: 400 600 3.5 */ @@ -134,14 +134,14 @@ static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_hdmi[] = { { .hsw = { 0x80FFFFFF, 0x001B0002, 0x0 } }, /* 9: 1000 1000 0 */ }; -static const struct intel_ddi_buf_trans bdw_ddi_translations_hdmi = { - .entries = _bdw_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_bdw_ddi_translations_hdmi), +static const struct intel_ddi_buf_trans bdw_trans_hdmi = { + .entries = _bdw_trans_hdmi, + .num_entries = ARRAY_SIZE(_bdw_trans_hdmi), .hdmi_default_entry = 7, }; /* Skylake H and S */ -static const union intel_ddi_buf_trans_entry _skl_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _skl_trans_dp[] = { { .hsw = { 0x00002016, 0x000000A0, 0x0 } }, { .hsw = { 0x00005012, 0x0000009B, 0x0 } }, { .hsw = { 0x00007011, 0x00000088, 0x0 } }, @@ -153,13 +153,13 @@ static const union intel_ddi_buf_trans_entry _skl_ddi_translations_dp[] = { { .hsw = { 0x80005012, 0x000000C0, 0x1 } }, }; -static const struct intel_ddi_buf_trans skl_ddi_translations_dp = { - .entries = _skl_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_skl_ddi_translations_dp), +static const struct intel_ddi_buf_trans skl_trans_dp = { + .entries = _skl_trans_dp, + .num_entries = ARRAY_SIZE(_skl_trans_dp), }; /* Skylake U */ -static const union intel_ddi_buf_trans_entry _skl_u_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _skl_u_trans_dp[] = { { .hsw = { 0x0000201B, 0x000000A2, 0x0 } }, { .hsw = { 0x00005012, 0x00000088, 0x0 } }, { .hsw = { 0x80007011, 0x000000CD, 0x1 } }, @@ -171,13 +171,13 @@ static const union intel_ddi_buf_trans_entry _skl_u_ddi_translations_dp[] = { { .hsw = { 0x80005012, 0x000000C0, 0x1 } }, }; -static const struct intel_ddi_buf_trans skl_u_ddi_translations_dp = { - .entries = _skl_u_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_skl_u_ddi_translations_dp), +static const struct intel_ddi_buf_trans skl_u_trans_dp = { + .entries = _skl_u_trans_dp, + .num_entries = ARRAY_SIZE(_skl_u_trans_dp), }; /* Skylake Y */ -static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _skl_y_trans_dp[] = { { .hsw = { 0x00000018, 0x000000A2, 0x0 } }, { .hsw = { 0x00005012, 0x00000088, 0x0 } }, { .hsw = { 0x80007011, 0x000000CD, 0x3 } }, @@ -189,13 +189,13 @@ static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_dp[] = { { .hsw = { 0x80005012, 0x000000C0, 0x3 } }, }; -static const struct intel_ddi_buf_trans skl_y_ddi_translations_dp = { - .entries = _skl_y_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_skl_y_ddi_translations_dp), +static const struct intel_ddi_buf_trans skl_y_trans_dp = { + .entries = _skl_y_trans_dp, + .num_entries = ARRAY_SIZE(_skl_y_trans_dp), }; /* Kabylake H and S */ -static const union intel_ddi_buf_trans_entry _kbl_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _kbl_trans_dp[] = { { .hsw = { 0x00002016, 0x000000A0, 0x0 } }, { .hsw = { 0x00005012, 0x0000009B, 0x0 } }, { .hsw = { 0x00007011, 0x00000088, 0x0 } }, @@ -207,13 +207,13 @@ static const union intel_ddi_buf_trans_entry _kbl_ddi_translations_dp[] = { { .hsw = { 0x80005012, 0x000000C0, 0x1 } }, }; -static const struct intel_ddi_buf_trans kbl_ddi_translations_dp = { - .entries = _kbl_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_kbl_ddi_translations_dp), +static const struct intel_ddi_buf_trans kbl_trans_dp = { + .entries = _kbl_trans_dp, + .num_entries = ARRAY_SIZE(_kbl_trans_dp), }; /* Kabylake U */ -static const union intel_ddi_buf_trans_entry _kbl_u_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _kbl_u_trans_dp[] = { { .hsw = { 0x0000201B, 0x000000A1, 0x0 } }, { .hsw = { 0x00005012, 0x00000088, 0x0 } }, { .hsw = { 0x80007011, 0x000000CD, 0x3 } }, @@ -225,13 +225,13 @@ static const union intel_ddi_buf_trans_entry _kbl_u_ddi_translations_dp[] = { { .hsw = { 0x80005012, 0x000000C0, 0x3 } }, }; -static const struct intel_ddi_buf_trans kbl_u_ddi_translations_dp = { - .entries = _kbl_u_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_kbl_u_ddi_translations_dp), +static const struct intel_ddi_buf_trans kbl_u_trans_dp = { + .entries = _kbl_u_trans_dp, + .num_entries = ARRAY_SIZE(_kbl_u_trans_dp), }; /* Kabylake Y */ -static const union intel_ddi_buf_trans_entry _kbl_y_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _kbl_y_trans_dp[] = { { .hsw = { 0x00001017, 0x000000A1, 0x0 } }, { .hsw = { 0x00005012, 0x00000088, 0x0 } }, { .hsw = { 0x80007011, 0x000000CD, 0x3 } }, @@ -243,16 +243,16 @@ static const union intel_ddi_buf_trans_entry _kbl_y_ddi_translations_dp[] = { { .hsw = { 0x80005012, 0x000000C0, 0x3 } }, }; -static const struct intel_ddi_buf_trans kbl_y_ddi_translations_dp = { - .entries = _kbl_y_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_kbl_y_ddi_translations_dp), +static const struct intel_ddi_buf_trans kbl_y_trans_dp = { + .entries = _kbl_y_trans_dp, + .num_entries = ARRAY_SIZE(_kbl_y_trans_dp), }; /* * Skylake/Kabylake H and S * eDP 1.4 low vswing translation parameters */ -static const union intel_ddi_buf_trans_entry _skl_ddi_translations_edp[] = { +static const union intel_ddi_buf_trans_entry _skl_trans_edp[] = { { .hsw = { 0x00000018, 0x000000A8, 0x0 } }, { .hsw = { 0x00004013, 0x000000A9, 0x0 } }, { .hsw = { 0x00007011, 0x000000A2, 0x0 } }, @@ -265,16 +265,16 @@ static const union intel_ddi_buf_trans_entry _skl_ddi_translations_edp[] = { { .hsw = { 0x00000018, 0x000000DF, 0x0 } }, }; -static const struct intel_ddi_buf_trans skl_ddi_translations_edp = { - .entries = _skl_ddi_translations_edp, - .num_entries = ARRAY_SIZE(_skl_ddi_translations_edp), +static const struct intel_ddi_buf_trans skl_trans_edp = { + .entries = _skl_trans_edp, + .num_entries = ARRAY_SIZE(_skl_trans_edp), }; /* * Skylake/Kabylake U * eDP 1.4 low vswing translation parameters */ -static const union intel_ddi_buf_trans_entry _skl_u_ddi_translations_edp[] = { +static const union intel_ddi_buf_trans_entry _skl_u_trans_edp[] = { { .hsw = { 0x00000018, 0x000000A8, 0x0 } }, { .hsw = { 0x00004013, 0x000000A9, 0x0 } }, { .hsw = { 0x00007011, 0x000000A2, 0x0 } }, @@ -287,16 +287,16 @@ static const union intel_ddi_buf_trans_entry _skl_u_ddi_translations_edp[] = { { .hsw = { 0x00000018, 0x000000DF, 0x0 } }, }; -static const struct intel_ddi_buf_trans skl_u_ddi_translations_edp = { - .entries = _skl_u_ddi_translations_edp, - .num_entries = ARRAY_SIZE(_skl_u_ddi_translations_edp), +static const struct intel_ddi_buf_trans skl_u_trans_edp = { + .entries = _skl_u_trans_edp, + .num_entries = ARRAY_SIZE(_skl_u_trans_edp), }; /* * Skylake/Kabylake Y * eDP 1.4 low vswing translation parameters */ -static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_edp[] = { +static const union intel_ddi_buf_trans_entry _skl_y_trans_edp[] = { { .hsw = { 0x00000018, 0x000000A8, 0x0 } }, { .hsw = { 0x00004013, 0x000000AB, 0x0 } }, { .hsw = { 0x00007011, 0x000000A4, 0x0 } }, @@ -309,13 +309,13 @@ static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_edp[] = { { .hsw = { 0x00000018, 0x0000008A, 0x0 } }, }; -static const struct intel_ddi_buf_trans skl_y_ddi_translations_edp = { - .entries = _skl_y_ddi_translations_edp, - .num_entries = ARRAY_SIZE(_skl_y_ddi_translations_edp), +static const struct intel_ddi_buf_trans skl_y_trans_edp = { + .entries = _skl_y_trans_edp, + .num_entries = ARRAY_SIZE(_skl_y_trans_edp), }; /* Skylake/Kabylake U, H and S */ -static const union intel_ddi_buf_trans_entry _skl_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _skl_trans_hdmi[] = { { .hsw = { 0x00000018, 0x000000AC, 0x0 } }, { .hsw = { 0x00005012, 0x0000009D, 0x0 } }, { .hsw = { 0x00007011, 0x00000088, 0x0 } }, @@ -329,14 +329,14 @@ static const union intel_ddi_buf_trans_entry _skl_ddi_translations_hdmi[] = { { .hsw = { 0x80000018, 0x000000C0, 0x1 } }, }; -static const struct intel_ddi_buf_trans skl_ddi_translations_hdmi = { - .entries = _skl_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_skl_ddi_translations_hdmi), +static const struct intel_ddi_buf_trans skl_trans_hdmi = { + .entries = _skl_trans_hdmi, + .num_entries = ARRAY_SIZE(_skl_trans_hdmi), .hdmi_default_entry = 8, }; /* Skylake/Kabylake Y */ -static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _skl_y_trans_hdmi[] = { { .hsw = { 0x00000018, 0x000000A1, 0x0 } }, { .hsw = { 0x00005012, 0x000000DF, 0x0 } }, { .hsw = { 0x80007011, 0x000000CB, 0x3 } }, @@ -350,13 +350,13 @@ static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_hdmi[] = { { .hsw = { 0x80000018, 0x000000C0, 0x3 } }, }; -static const struct intel_ddi_buf_trans skl_y_ddi_translations_hdmi = { - .entries = _skl_y_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_skl_y_ddi_translations_hdmi), +static const struct intel_ddi_buf_trans skl_y_trans_hdmi = { + .entries = _skl_y_trans_hdmi, + .num_entries = ARRAY_SIZE(_skl_y_trans_hdmi), .hdmi_default_entry = 8, }; -static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _bxt_trans_dp[] = { /* Idx NT mV diff db */ { .bxt = { 52, 0x9A, 0, 128, } }, /* 0: 400 0 */ { .bxt = { 78, 0x9A, 0, 85, } }, /* 1: 400 3.5 */ @@ -370,12 +370,12 @@ static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_dp[] = { { .bxt = { 154, 0x9A, 1, 128, } }, /* 9: 1200 0 */ }; -static const struct intel_ddi_buf_trans bxt_ddi_translations_dp = { - .entries = _bxt_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_bxt_ddi_translations_dp), +static const struct intel_ddi_buf_trans bxt_trans_dp = { + .entries = _bxt_trans_dp, + .num_entries = ARRAY_SIZE(_bxt_trans_dp), }; -static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_edp[] = { +static const union intel_ddi_buf_trans_entry _bxt_trans_edp[] = { /* Idx NT mV diff db */ { .bxt = { 26, 0, 0, 128, } }, /* 0: 200 0 */ { .bxt = { 38, 0, 0, 112, } }, /* 1: 200 1.5 */ @@ -389,15 +389,15 @@ static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_edp[] = { { .bxt = { 48, 0, 0, 128, } }, /* 9: 300 0 */ }; -static const struct intel_ddi_buf_trans bxt_ddi_translations_edp = { - .entries = _bxt_ddi_translations_edp, - .num_entries = ARRAY_SIZE(_bxt_ddi_translations_edp), +static const struct intel_ddi_buf_trans bxt_trans_edp = { + .entries = _bxt_trans_edp, + .num_entries = ARRAY_SIZE(_bxt_trans_edp), }; /* BSpec has 2 recommended values - entries 0 and 8. * Using the entry with higher vswing. */ -static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _bxt_trans_hdmi[] = { /* Idx NT mV diff db */ { .bxt = { 52, 0x9A, 0, 128, } }, /* 0: 400 0 */ { .bxt = { 52, 0x9A, 0, 85, } }, /* 1: 400 3.5 */ @@ -411,14 +411,14 @@ static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_hdmi[] = { { .bxt = { 154, 0x9A, 1, 128, } }, /* 9: 1200 0 */ }; -static const struct intel_ddi_buf_trans bxt_ddi_translations_hdmi = { - .entries = _bxt_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_bxt_ddi_translations_hdmi), - .hdmi_default_entry = ARRAY_SIZE(_bxt_ddi_translations_hdmi) - 1, +static const struct intel_ddi_buf_trans bxt_trans_hdmi = { + .entries = _bxt_trans_hdmi, + .num_entries = ARRAY_SIZE(_bxt_trans_hdmi), + .hdmi_default_entry = ARRAY_SIZE(_bxt_trans_hdmi) - 1, }; -/* icl_combo_phy_ddi_translations */ -static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3[] = { +/* icl_combo_phy_trans */ +static const union intel_ddi_buf_trans_entry _icl_combo_phy_trans_dp_hbr2_edp_hbr3[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -432,12 +432,12 @@ static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3 = { - .entries = _icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, - .num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3), +static const struct intel_ddi_buf_trans icl_combo_phy_trans_dp_hbr2_edp_hbr3 = { + .entries = _icl_combo_phy_trans_dp_hbr2_edp_hbr3, + .num_entries = ARRAY_SIZE(_icl_combo_phy_trans_dp_hbr2_edp_hbr3), }; -static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_edp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _icl_combo_phy_trans_edp_hbr2[] = { /* NT mV Trans mV db */ { .icl = { 0x0, 0x7F, 0x3F, 0x00, 0x00 } }, /* 200 200 0.0 */ { .icl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } }, /* 200 250 1.9 */ @@ -451,12 +451,12 @@ static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_edp { .icl = { 0x9, 0x7F, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ }; -static const struct intel_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr2 = { - .entries = _icl_combo_phy_ddi_translations_edp_hbr2, - .num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_edp_hbr2), +static const struct intel_ddi_buf_trans icl_combo_phy_trans_edp_hbr2 = { + .entries = _icl_combo_phy_trans_edp_hbr2, + .num_entries = ARRAY_SIZE(_icl_combo_phy_trans_edp_hbr2), }; -static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _icl_combo_phy_trans_hdmi[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x60, 0x3F, 0x00, 0x00 } }, /* 450 450 0.0 */ { .icl = { 0xB, 0x73, 0x36, 0x00, 0x09 } }, /* 450 650 3.2 */ @@ -467,13 +467,13 @@ static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_hdm { .icl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } }, /* 600 850 3.0 */ }; -static const struct intel_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi = { - .entries = _icl_combo_phy_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_hdmi), - .hdmi_default_entry = ARRAY_SIZE(_icl_combo_phy_ddi_translations_hdmi) - 1, +static const struct intel_ddi_buf_trans icl_combo_phy_trans_hdmi = { + .entries = _icl_combo_phy_trans_hdmi, + .num_entries = ARRAY_SIZE(_icl_combo_phy_trans_hdmi), + .hdmi_default_entry = ARRAY_SIZE(_icl_combo_phy_trans_hdmi) - 1, }; -static const union intel_ddi_buf_trans_entry _ehl_combo_phy_ddi_translations_dp[] = { +static const union intel_ddi_buf_trans_entry _ehl_combo_phy_trans_dp[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x33, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x47, 0x36, 0x00, 0x09 } }, /* 350 500 3.1 */ @@ -487,12 +487,12 @@ static const union intel_ddi_buf_trans_entry _ehl_combo_phy_ddi_translations_dp[ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans ehl_combo_phy_ddi_translations_dp = { - .entries = _ehl_combo_phy_ddi_translations_dp, - .num_entries = ARRAY_SIZE(_ehl_combo_phy_ddi_translations_dp), +static const struct intel_ddi_buf_trans ehl_combo_phy_trans_dp = { + .entries = _ehl_combo_phy_trans_dp, + .num_entries = ARRAY_SIZE(_ehl_combo_phy_trans_dp), }; -static const union intel_ddi_buf_trans_entry _ehl_combo_phy_ddi_translations_edp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _ehl_combo_phy_trans_edp_hbr2[] = { /* NT mV Trans mV db */ { .icl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } }, /* 200 200 0.0 */ { .icl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } }, /* 200 250 1.9 */ @@ -506,12 +506,12 @@ static const union intel_ddi_buf_trans_entry _ehl_combo_phy_ddi_translations_edp { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ }; -static const struct intel_ddi_buf_trans ehl_combo_phy_ddi_translations_edp_hbr2 = { - .entries = _ehl_combo_phy_ddi_translations_edp_hbr2, - .num_entries = ARRAY_SIZE(_ehl_combo_phy_ddi_translations_edp_hbr2), +static const struct intel_ddi_buf_trans ehl_combo_phy_trans_edp_hbr2 = { + .entries = _ehl_combo_phy_trans_edp_hbr2, + .num_entries = ARRAY_SIZE(_ehl_combo_phy_trans_edp_hbr2), }; -static const union intel_ddi_buf_trans_entry _jsl_combo_phy_ddi_translations_edp_hbr[] = { +static const union intel_ddi_buf_trans_entry _jsl_combo_phy_trans_edp_hbr[] = { /* NT mV Trans mV db */ { .icl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } }, /* 200 200 0.0 */ { .icl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } }, /* 200 250 1.9 */ @@ -525,12 +525,12 @@ static const union intel_ddi_buf_trans_entry _jsl_combo_phy_ddi_translations_edp { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ }; -static const struct intel_ddi_buf_trans jsl_combo_phy_ddi_translations_edp_hbr = { - .entries = _jsl_combo_phy_ddi_translations_edp_hbr, - .num_entries = ARRAY_SIZE(_jsl_combo_phy_ddi_translations_edp_hbr), +static const struct intel_ddi_buf_trans jsl_combo_phy_trans_edp_hbr = { + .entries = _jsl_combo_phy_trans_edp_hbr, + .num_entries = ARRAY_SIZE(_jsl_combo_phy_trans_edp_hbr), }; -static const union intel_ddi_buf_trans_entry _jsl_combo_phy_ddi_translations_edp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _jsl_combo_phy_trans_edp_hbr2[] = { /* NT mV Trans mV db */ { .icl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } }, /* 200 200 0.0 */ { .icl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } }, /* 200 250 1.9 */ @@ -544,12 +544,12 @@ static const union intel_ddi_buf_trans_entry _jsl_combo_phy_ddi_translations_edp { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ }; -static const struct intel_ddi_buf_trans jsl_combo_phy_ddi_translations_edp_hbr2 = { - .entries = _jsl_combo_phy_ddi_translations_edp_hbr2, - .num_entries = ARRAY_SIZE(_jsl_combo_phy_ddi_translations_edp_hbr2), +static const struct intel_ddi_buf_trans jsl_combo_phy_trans_edp_hbr2 = { + .entries = _jsl_combo_phy_trans_edp_hbr2, + .num_entries = ARRAY_SIZE(_jsl_combo_phy_trans_edp_hbr2), }; -static const union intel_ddi_buf_trans_entry _dg1_combo_phy_ddi_translations_dp_rbr_hbr[] = { +static const union intel_ddi_buf_trans_entry _dg1_combo_phy_trans_dp_rbr_hbr[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x32, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x48, 0x35, 0x00, 0x0A } }, /* 350 500 3.1 */ @@ -563,12 +563,12 @@ static const union intel_ddi_buf_trans_entry _dg1_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans dg1_combo_phy_ddi_translations_dp_rbr_hbr = { - .entries = _dg1_combo_phy_ddi_translations_dp_rbr_hbr, - .num_entries = ARRAY_SIZE(_dg1_combo_phy_ddi_translations_dp_rbr_hbr), +static const struct intel_ddi_buf_trans dg1_combo_phy_trans_dp_rbr_hbr = { + .entries = _dg1_combo_phy_trans_dp_rbr_hbr, + .num_entries = ARRAY_SIZE(_dg1_combo_phy_trans_dp_rbr_hbr), }; -static const union intel_ddi_buf_trans_entry _dg1_combo_phy_ddi_translations_dp_hbr2_hbr3[] = { +static const union intel_ddi_buf_trans_entry _dg1_combo_phy_trans_dp_hbr2_hbr3[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x32, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x48, 0x35, 0x00, 0x0A } }, /* 350 500 3.1 */ @@ -582,12 +582,12 @@ static const union intel_ddi_buf_trans_entry _dg1_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans dg1_combo_phy_ddi_translations_dp_hbr2_hbr3 = { - .entries = _dg1_combo_phy_ddi_translations_dp_hbr2_hbr3, - .num_entries = ARRAY_SIZE(_dg1_combo_phy_ddi_translations_dp_hbr2_hbr3), +static const struct intel_ddi_buf_trans dg1_combo_phy_trans_dp_hbr2_hbr3 = { + .entries = _dg1_combo_phy_trans_dp_hbr2_hbr3, + .num_entries = ARRAY_SIZE(_dg1_combo_phy_trans_dp_hbr2_hbr3), }; -static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_rbr_hbr[] = { +static const union intel_ddi_buf_trans_entry _icl_mg_phy_trans_rbr_hbr[] = { /* Voltage swing pre-emphasis */ { .mg = { 0x18, 0x00, 0x00 } }, /* 0 0 */ { .mg = { 0x1D, 0x00, 0x05 } }, /* 0 1 */ @@ -601,12 +601,12 @@ static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_rbr_hb { .mg = { 0x3F, 0x00, 0x00 } }, /* 3 0 */ }; -static const struct intel_ddi_buf_trans icl_mg_phy_ddi_translations_rbr_hbr = { - .entries = _icl_mg_phy_ddi_translations_rbr_hbr, - .num_entries = ARRAY_SIZE(_icl_mg_phy_ddi_translations_rbr_hbr), +static const struct intel_ddi_buf_trans icl_mg_phy_trans_rbr_hbr = { + .entries = _icl_mg_phy_trans_rbr_hbr, + .num_entries = ARRAY_SIZE(_icl_mg_phy_trans_rbr_hbr), }; -static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_hbr2_hbr3[] = { +static const union intel_ddi_buf_trans_entry _icl_mg_phy_trans_hbr2_hbr3[] = { /* Voltage swing pre-emphasis */ { .mg = { 0x18, 0x00, 0x00 } }, /* 0 0 */ { .mg = { 0x1D, 0x00, 0x05 } }, /* 0 1 */ @@ -620,12 +620,12 @@ static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_hbr2_h { .mg = { 0x3F, 0x00, 0x00 } }, /* 3 0 */ }; -static const struct intel_ddi_buf_trans icl_mg_phy_ddi_translations_hbr2_hbr3 = { - .entries = _icl_mg_phy_ddi_translations_hbr2_hbr3, - .num_entries = ARRAY_SIZE(_icl_mg_phy_ddi_translations_hbr2_hbr3), +static const struct intel_ddi_buf_trans icl_mg_phy_trans_hbr2_hbr3 = { + .entries = _icl_mg_phy_trans_hbr2_hbr3, + .num_entries = ARRAY_SIZE(_icl_mg_phy_trans_hbr2_hbr3), }; -static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _icl_mg_phy_trans_hdmi[] = { /* HDMI Preset VS Pre-emph */ { .mg = { 0x1A, 0x0, 0x0 } }, /* 1 400mV 0dB */ { .mg = { 0x20, 0x0, 0x0 } }, /* 2 500mV 0dB */ @@ -639,13 +639,13 @@ static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_hdmi[] { .mg = { 0x36, 0x0, 0x9 } }, /* 10 Full -3 dB */ }; -static const struct intel_ddi_buf_trans icl_mg_phy_ddi_translations_hdmi = { - .entries = _icl_mg_phy_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_icl_mg_phy_ddi_translations_hdmi), - .hdmi_default_entry = ARRAY_SIZE(_icl_mg_phy_ddi_translations_hdmi) - 1, +static const struct intel_ddi_buf_trans icl_mg_phy_trans_hdmi = { + .entries = _icl_mg_phy_trans_hdmi, + .num_entries = ARRAY_SIZE(_icl_mg_phy_trans_hdmi), + .hdmi_default_entry = ARRAY_SIZE(_icl_mg_phy_trans_hdmi) - 1, }; -static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_dp_hbr[] = { +static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_trans_dp_hbr[] = { /* VS pre-emp Non-trans mV Pre-emph dB */ { .dkl = { 0x7, 0x0, 0x00 } }, /* 0 0 400mV 0 dB */ { .dkl = { 0x5, 0x0, 0x05 } }, /* 0 1 400mV 3.5 dB */ @@ -659,12 +659,12 @@ static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_dp_hb { .dkl = { 0x0, 0x0, 0x00 } }, /* 3 0 1200mV 0 dB HDMI default */ }; -static const struct intel_ddi_buf_trans tgl_dkl_phy_ddi_translations_dp_hbr = { - .entries = _tgl_dkl_phy_ddi_translations_dp_hbr, - .num_entries = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_dp_hbr), +static const struct intel_ddi_buf_trans tgl_dkl_phy_trans_dp_hbr = { + .entries = _tgl_dkl_phy_trans_dp_hbr, + .num_entries = ARRAY_SIZE(_tgl_dkl_phy_trans_dp_hbr), }; -static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_dp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_trans_dp_hbr2[] = { /* VS pre-emp Non-trans mV Pre-emph dB */ { .dkl = { 0x7, 0x0, 0x00 } }, /* 0 0 400mV 0 dB */ { .dkl = { 0x5, 0x0, 0x05 } }, /* 0 1 400mV 3.5 dB */ @@ -678,12 +678,12 @@ static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_dp_hb { .dkl = { 0x0, 0x0, 0x00 } }, /* 3 0 1200mV 0 dB HDMI default */ }; -static const struct intel_ddi_buf_trans tgl_dkl_phy_ddi_translations_dp_hbr2 = { - .entries = _tgl_dkl_phy_ddi_translations_dp_hbr2, - .num_entries = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_dp_hbr2), +static const struct intel_ddi_buf_trans tgl_dkl_phy_trans_dp_hbr2 = { + .entries = _tgl_dkl_phy_trans_dp_hbr2, + .num_entries = ARRAY_SIZE(_tgl_dkl_phy_trans_dp_hbr2), }; -static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_trans_hdmi[] = { /* HDMI Preset VS Pre-emph */ { .dkl = { 0x7, 0x0, 0x0 } }, /* 1 400mV 0dB */ { .dkl = { 0x6, 0x0, 0x0 } }, /* 2 500mV 0dB */ @@ -697,13 +697,13 @@ static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_hdmi[ { .dkl = { 0x0, 0x0, 0xA } }, /* 10 Full -3 dB */ }; -static const struct intel_ddi_buf_trans tgl_dkl_phy_ddi_translations_hdmi = { - .entries = _tgl_dkl_phy_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_hdmi), - .hdmi_default_entry = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_hdmi) - 1, +static const struct intel_ddi_buf_trans tgl_dkl_phy_trans_hdmi = { + .entries = _tgl_dkl_phy_trans_hdmi, + .num_entries = ARRAY_SIZE(_tgl_dkl_phy_trans_hdmi), + .hdmi_default_entry = ARRAY_SIZE(_tgl_dkl_phy_trans_hdmi) - 1, }; -static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_dp_hbr[] = { +static const union intel_ddi_buf_trans_entry _tgl_combo_phy_trans_dp_hbr[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x32, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -717,12 +717,12 @@ static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr = { - .entries = _tgl_combo_phy_ddi_translations_dp_hbr, - .num_entries = ARRAY_SIZE(_tgl_combo_phy_ddi_translations_dp_hbr), +static const struct intel_ddi_buf_trans tgl_combo_phy_trans_dp_hbr = { + .entries = _tgl_combo_phy_trans_dp_hbr, + .num_entries = ARRAY_SIZE(_tgl_combo_phy_trans_dp_hbr), }; -static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_dp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _tgl_combo_phy_trans_dp_hbr2[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -736,12 +736,12 @@ static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr2 = { - .entries = _tgl_combo_phy_ddi_translations_dp_hbr2, - .num_entries = ARRAY_SIZE(_tgl_combo_phy_ddi_translations_dp_hbr2), +static const struct intel_ddi_buf_trans tgl_combo_phy_trans_dp_hbr2 = { + .entries = _tgl_combo_phy_trans_dp_hbr2, + .num_entries = ARRAY_SIZE(_tgl_combo_phy_trans_dp_hbr2), }; -static const union intel_ddi_buf_trans_entry _tgl_uy_combo_phy_ddi_translations_dp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _tgl_uy_combo_phy_trans_dp_hbr2[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x36, 0x00, 0x09 } }, /* 350 500 3.1 */ @@ -755,16 +755,16 @@ static const union intel_ddi_buf_trans_entry _tgl_uy_combo_phy_ddi_translations_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans tgl_uy_combo_phy_ddi_translations_dp_hbr2 = { - .entries = _tgl_uy_combo_phy_ddi_translations_dp_hbr2, - .num_entries = ARRAY_SIZE(_tgl_uy_combo_phy_ddi_translations_dp_hbr2), +static const struct intel_ddi_buf_trans tgl_uy_combo_phy_trans_dp_hbr2 = { + .entries = _tgl_uy_combo_phy_trans_dp_hbr2, + .num_entries = ARRAY_SIZE(_tgl_uy_combo_phy_trans_dp_hbr2), }; /* * Cloned the HOBL entry to comply with the voltage and pre-emphasis entries * that DisplayPort specification requires */ -static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_edp_hbr2_hobl[] = { +static const union intel_ddi_buf_trans_entry _tgl_combo_phy_trans_edp_hbr2_hobl[] = { /* VS pre-emp */ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 0 0 */ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 0 1 */ @@ -777,12 +777,12 @@ static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_edp { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 2 1 */ }; -static const struct intel_ddi_buf_trans tgl_combo_phy_ddi_translations_edp_hbr2_hobl = { - .entries = _tgl_combo_phy_ddi_translations_edp_hbr2_hobl, - .num_entries = ARRAY_SIZE(_tgl_combo_phy_ddi_translations_edp_hbr2_hobl), +static const struct intel_ddi_buf_trans tgl_combo_phy_trans_edp_hbr2_hobl = { + .entries = _tgl_combo_phy_trans_edp_hbr2_hobl, + .num_entries = ARRAY_SIZE(_tgl_combo_phy_trans_edp_hbr2_hobl), }; -static const union intel_ddi_buf_trans_entry _rkl_combo_phy_ddi_translations_dp_hbr[] = { +static const union intel_ddi_buf_trans_entry _rkl_combo_phy_trans_dp_hbr[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x2F, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -796,12 +796,12 @@ static const union intel_ddi_buf_trans_entry _rkl_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans rkl_combo_phy_ddi_translations_dp_hbr = { - .entries = _rkl_combo_phy_ddi_translations_dp_hbr, - .num_entries = ARRAY_SIZE(_rkl_combo_phy_ddi_translations_dp_hbr), +static const struct intel_ddi_buf_trans rkl_combo_phy_trans_dp_hbr = { + .entries = _rkl_combo_phy_trans_dp_hbr, + .num_entries = ARRAY_SIZE(_rkl_combo_phy_trans_dp_hbr), }; -static const union intel_ddi_buf_trans_entry _rkl_combo_phy_ddi_translations_dp_hbr2_hbr3[] = { +static const union intel_ddi_buf_trans_entry _rkl_combo_phy_trans_dp_hbr2_hbr3[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x50, 0x38, 0x00, 0x07 } }, /* 350 500 3.1 */ @@ -815,12 +815,12 @@ static const union intel_ddi_buf_trans_entry _rkl_combo_phy_ddi_translations_dp_ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans rkl_combo_phy_ddi_translations_dp_hbr2_hbr3 = { - .entries = _rkl_combo_phy_ddi_translations_dp_hbr2_hbr3, - .num_entries = ARRAY_SIZE(_rkl_combo_phy_ddi_translations_dp_hbr2_hbr3), +static const struct intel_ddi_buf_trans rkl_combo_phy_trans_dp_hbr2_hbr3 = { + .entries = _rkl_combo_phy_trans_dp_hbr2_hbr3, + .num_entries = ARRAY_SIZE(_rkl_combo_phy_trans_dp_hbr2_hbr3), }; -static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_dp_hbr2_hbr3[] = { +static const union intel_ddi_buf_trans_entry _adls_combo_phy_trans_dp_hbr2_hbr3[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -834,12 +834,12 @@ static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_dp { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_dp_hbr2_hbr3 = { - .entries = _adls_combo_phy_ddi_translations_dp_hbr2_hbr3, - .num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_dp_hbr2_hbr3), +static const struct intel_ddi_buf_trans adls_combo_phy_trans_dp_hbr2_hbr3 = { + .entries = _adls_combo_phy_trans_dp_hbr2_hbr3, + .num_entries = ARRAY_SIZE(_adls_combo_phy_trans_dp_hbr2_hbr3), }; -static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_edp_hbr2[] = { +static const union intel_ddi_buf_trans_entry _adls_combo_phy_trans_edp_hbr2[] = { /* NT mV Trans mV db */ { .icl = { 0x9, 0x73, 0x3D, 0x00, 0x02 } }, /* 200 200 0.0 */ { .icl = { 0x9, 0x7A, 0x3C, 0x00, 0x03 } }, /* 200 250 1.9 */ @@ -853,12 +853,12 @@ static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_ed { .icl = { 0x4, 0x6C, 0x3A, 0x00, 0x05 } }, /* 350 350 0.0 */ }; -static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_edp_hbr2 = { - .entries = _adls_combo_phy_ddi_translations_edp_hbr2, - .num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_edp_hbr2), +static const struct intel_ddi_buf_trans adls_combo_phy_trans_edp_hbr2 = { + .entries = _adls_combo_phy_trans_edp_hbr2, + .num_entries = ARRAY_SIZE(_adls_combo_phy_trans_edp_hbr2), }; -static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_edp_hbr3[] = { +static const union intel_ddi_buf_trans_entry _adls_combo_phy_trans_edp_hbr3[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -872,12 +872,12 @@ static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_ed { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_edp_hbr3 = { - .entries = _adls_combo_phy_ddi_translations_edp_hbr3, - .num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_edp_hbr3), +static const struct intel_ddi_buf_trans adls_combo_phy_trans_edp_hbr3 = { + .entries = _adls_combo_phy_trans_edp_hbr3, + .num_entries = ARRAY_SIZE(_adls_combo_phy_trans_edp_hbr3), }; -static const union intel_ddi_buf_trans_entry _adlp_combo_phy_ddi_translations_hdmi[] = { +static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_hdmi[] = { /* NT mV Trans mV db */ { .icl = { 0x6, 0x60, 0x3F, 0x00, 0x00 } }, /* 400 400 0.0 */ { .icl = { 0x6, 0x68, 0x3F, 0x00, 0x00 } }, /* 500 500 0.0 */ @@ -891,13 +891,13 @@ static const union intel_ddi_buf_trans_entry _adlp_combo_phy_ddi_translations_hd { .icl = { 0xB, 0x7F, 0x33, 0x00, 0x0C } }, /* Full Red -3.0 */ }; -static const struct intel_ddi_buf_trans adlp_combo_phy_ddi_translations_hdmi = { - .entries = _adlp_combo_phy_ddi_translations_hdmi, - .num_entries = ARRAY_SIZE(_adlp_combo_phy_ddi_translations_hdmi), - .hdmi_default_entry = ARRAY_SIZE(_adlp_combo_phy_ddi_translations_hdmi) - 1, +static const struct intel_ddi_buf_trans adlp_combo_phy_trans_hdmi = { + .entries = _adlp_combo_phy_trans_hdmi, + .num_entries = ARRAY_SIZE(_adlp_combo_phy_trans_hdmi), + .hdmi_default_entry = ARRAY_SIZE(_adlp_combo_phy_trans_hdmi) - 1, }; -static const union intel_ddi_buf_trans_entry _adlp_combo_phy_ddi_translations_dp_hbr[] = { +static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_dp_hbr[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -911,12 +911,12 @@ static const union intel_ddi_buf_trans_entry _adlp_combo_phy_ddi_translations_dp { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans adlp_combo_phy_ddi_translations_dp_hbr = { - .entries = _adlp_combo_phy_ddi_translations_dp_hbr, - .num_entries = ARRAY_SIZE(_adlp_combo_phy_ddi_translations_dp_hbr), +static const struct intel_ddi_buf_trans adlp_combo_phy_trans_dp_hbr = { + .entries = _adlp_combo_phy_trans_dp_hbr, + .num_entries = ARRAY_SIZE(_adlp_combo_phy_trans_dp_hbr), }; -static const union intel_ddi_buf_trans_entry _adlp_combo_phy_ddi_translations_dp_hbr2_hbr3[] = { +static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_dp_hbr2_hbr3[] = { /* NT mV Trans mV db */ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */ @@ -930,22 +930,22 @@ static const union intel_ddi_buf_trans_entry _adlp_combo_phy_ddi_translations_dp { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */ }; -static const struct intel_ddi_buf_trans adlp_combo_phy_ddi_translations_dp_hbr2_hbr3 = { - .entries = _adlp_combo_phy_ddi_translations_dp_hbr2_hbr3, - .num_entries = ARRAY_SIZE(_adlp_combo_phy_ddi_translations_dp_hbr2_hbr3), +static const struct intel_ddi_buf_trans adlp_combo_phy_trans_dp_hbr2_hbr3 = { + .entries = _adlp_combo_phy_trans_dp_hbr2_hbr3, + .num_entries = ARRAY_SIZE(_adlp_combo_phy_trans_dp_hbr2_hbr3), }; -static const struct intel_ddi_buf_trans adlp_combo_phy_ddi_translations_edp_hbr3 = { - .entries = _icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, - .num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3), +static const struct intel_ddi_buf_trans adlp_combo_phy_trans_edp_hbr3 = { + .entries = _icl_combo_phy_trans_dp_hbr2_edp_hbr3, + .num_entries = ARRAY_SIZE(_icl_combo_phy_trans_dp_hbr2_edp_hbr3), }; -static const struct intel_ddi_buf_trans adlp_combo_phy_ddi_translations_edp_up_to_hbr2 = { - .entries = _icl_combo_phy_ddi_translations_edp_hbr2, - .num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_edp_hbr2), +static const struct intel_ddi_buf_trans adlp_combo_phy_trans_edp_up_to_hbr2 = { + .entries = _icl_combo_phy_trans_edp_hbr2, + .num_entries = ARRAY_SIZE(_icl_combo_phy_trans_edp_hbr2), }; -static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_ddi_translations_dp_hbr[] = { +static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_trans_dp_hbr[] = { /* VS pre-emp Non-trans mV Pre-emph dB */ { .dkl = { 0x7, 0x0, 0x01 } }, /* 0 0 400mV 0 dB */ { .dkl = { 0x5, 0x0, 0x06 } }, /* 0 1 400mV 3.5 dB */ @@ -959,12 +959,12 @@ static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_ddi_translations_dp_h { .dkl = { 0x0, 0x0, 0x00 } }, /* 3 0 1200mV 0 dB */ }; -static const struct intel_ddi_buf_trans adlp_dkl_phy_ddi_translations_dp_hbr = { - .entries = _adlp_dkl_phy_ddi_translations_dp_hbr, - .num_entries = ARRAY_SIZE(_adlp_dkl_phy_ddi_translations_dp_hbr), +static const struct intel_ddi_buf_trans adlp_dkl_phy_trans_dp_hbr = { + .entries = _adlp_dkl_phy_trans_dp_hbr, + .num_entries = ARRAY_SIZE(_adlp_dkl_phy_trans_dp_hbr), }; -static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3[] = { +static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_trans_dp_hbr2_hbr3[] = { /* VS pre-emp Non-trans mV Pre-emph dB */ { .dkl = { 0x7, 0x0, 0x00 } }, /* 0 0 400mV 0 dB */ { .dkl = { 0x5, 0x0, 0x04 } }, /* 0 1 400mV 3.5 dB */ @@ -978,21 +978,64 @@ static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_ddi_translations_dp_h { .dkl = { 0x0, 0x0, 0x00 } }, /* 3 0 1200mV 0 dB */ }; -static const struct intel_ddi_buf_trans adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3 = { - .entries = _adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3, - .num_entries = ARRAY_SIZE(_adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3), +static const struct intel_ddi_buf_trans adlp_dkl_phy_trans_dp_hbr2_hbr3 = { + .entries = _adlp_dkl_phy_trans_dp_hbr2_hbr3, + .num_entries = ARRAY_SIZE(_adlp_dkl_phy_trans_dp_hbr2_hbr3), +}; + +static const union intel_ddi_buf_trans_entry _dg2_snps_trans[] = { + { .snps = { 26, 0, 0 } }, /* VS 0, pre-emph 0 */ + { .snps = { 33, 0, 6 } }, /* VS 0, pre-emph 1 */ + { .snps = { 38, 0, 12 } }, /* VS 0, pre-emph 2 */ + { .snps = { 43, 0, 19 } }, /* VS 0, pre-emph 3 */ + { .snps = { 39, 0, 0 } }, /* VS 1, pre-emph 0 */ + { .snps = { 44, 0, 8 } }, /* VS 1, pre-emph 1 */ + { .snps = { 47, 0, 15 } }, /* VS 1, pre-emph 2 */ + { .snps = { 52, 0, 0 } }, /* VS 2, pre-emph 0 */ + { .snps = { 51, 0, 10 } }, /* VS 2, pre-emph 1 */ + { .snps = { 62, 0, 0 } }, /* VS 3, pre-emph 0 */ +}; + +static const struct intel_ddi_buf_trans dg2_snps_trans = { + .entries = _dg2_snps_trans, + .num_entries = ARRAY_SIZE(_dg2_snps_trans), + .hdmi_default_entry = ARRAY_SIZE(_dg2_snps_trans) - 1, +}; + +static const union intel_ddi_buf_trans_entry _dg2_snps_trans_uhbr[] = { + { .snps = { 62, 0, 0 } }, /* preset 0 */ + { .snps = { 56, 0, 6 } }, /* preset 1 */ + { .snps = { 51, 0, 11 } }, /* preset 2 */ + { .snps = { 48, 0, 14 } }, /* preset 3 */ + { .snps = { 43, 0, 19 } }, /* preset 4 */ + { .snps = { 59, 3, 0 } }, /* preset 5 */ + { .snps = { 53, 3, 6 } }, /* preset 6 */ + { .snps = { 49, 3, 10 } }, /* preset 7 */ + { .snps = { 45, 3, 14 } }, /* preset 8 */ + { .snps = { 42, 3, 17 } }, /* preset 9 */ + { .snps = { 56, 6, 0 } }, /* preset 10 */ + { .snps = { 50, 6, 6 } }, /* preset 11 */ + { .snps = { 47, 6, 9 } }, /* preset 12 */ + { .snps = { 42, 6, 14 } }, /* preset 13 */ + { .snps = { 46, 8, 8 } }, /* preset 14 */ + { .snps = { 56, 3, 3 } }, /* preset 15 */ +}; + +static const struct intel_ddi_buf_trans dg2_snps_trans_uhbr = { + .entries = _dg2_snps_trans_uhbr, + .num_entries = ARRAY_SIZE(_dg2_snps_trans_uhbr), }; bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table) { - return table == &tgl_combo_phy_ddi_translations_edp_hbr2_hobl; + return table == &tgl_combo_phy_trans_edp_hbr2_hobl; } static const struct intel_ddi_buf_trans * -intel_get_buf_trans(const struct intel_ddi_buf_trans *ddi_translations, int *num_entries) +intel_get_buf_trans(const struct intel_ddi_buf_trans *trans, int *num_entries) { - *num_entries = ddi_translations->num_entries; - return ddi_translations; + *num_entries = trans->num_entries; + return trans; } static const struct intel_ddi_buf_trans * @@ -1001,11 +1044,11 @@ hsw_get_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) - return intel_get_buf_trans(&hsw_ddi_translations_fdi, n_entries); + return intel_get_buf_trans(&hsw_trans_fdi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&hsw_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&hsw_trans_hdmi, n_entries); else - return intel_get_buf_trans(&hsw_ddi_translations_dp, n_entries); + return intel_get_buf_trans(&hsw_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1016,14 +1059,14 @@ bdw_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) - return intel_get_buf_trans(&bdw_ddi_translations_fdi, n_entries); + return intel_get_buf_trans(&bdw_trans_fdi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&bdw_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&bdw_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return intel_get_buf_trans(&bdw_ddi_translations_edp, n_entries); + return intel_get_buf_trans(&bdw_trans_edp, n_entries); else - return intel_get_buf_trans(&bdw_ddi_translations_dp, n_entries); + return intel_get_buf_trans(&bdw_trans_dp, n_entries); } static int skl_buf_trans_num_entries(enum port port, int n_entries) @@ -1037,12 +1080,12 @@ static int skl_buf_trans_num_entries(enum port port, int n_entries) static const struct intel_ddi_buf_trans * _skl_get_buf_trans_dp(struct intel_encoder *encoder, - const struct intel_ddi_buf_trans *ddi_translations, + const struct intel_ddi_buf_trans *trans, int *n_entries) { - ddi_translations = intel_get_buf_trans(ddi_translations, n_entries); + trans = intel_get_buf_trans(trans, n_entries); *n_entries = skl_buf_trans_num_entries(encoder->port, *n_entries); - return ddi_translations; + return trans; } static const struct intel_ddi_buf_trans * @@ -1053,12 +1096,12 @@ skl_y_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&skl_y_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&skl_y_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return _skl_get_buf_trans_dp(encoder, &skl_y_ddi_translations_edp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_y_trans_edp, n_entries); else - return _skl_get_buf_trans_dp(encoder, &skl_y_ddi_translations_dp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_y_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1069,12 +1112,12 @@ skl_u_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&skl_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return _skl_get_buf_trans_dp(encoder, &skl_u_ddi_translations_edp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_u_trans_edp, n_entries); else - return _skl_get_buf_trans_dp(encoder, &skl_u_ddi_translations_dp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_u_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1085,12 +1128,12 @@ skl_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&skl_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return _skl_get_buf_trans_dp(encoder, &skl_ddi_translations_edp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_trans_edp, n_entries); else - return _skl_get_buf_trans_dp(encoder, &skl_ddi_translations_dp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1101,12 +1144,12 @@ kbl_y_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&skl_y_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&skl_y_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return _skl_get_buf_trans_dp(encoder, &skl_y_ddi_translations_edp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_y_trans_edp, n_entries); else - return _skl_get_buf_trans_dp(encoder, &kbl_y_ddi_translations_dp, n_entries); + return _skl_get_buf_trans_dp(encoder, &kbl_y_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1117,12 +1160,12 @@ kbl_u_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&skl_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return _skl_get_buf_trans_dp(encoder, &skl_u_ddi_translations_edp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_u_trans_edp, n_entries); else - return _skl_get_buf_trans_dp(encoder, &kbl_u_ddi_translations_dp, n_entries); + return _skl_get_buf_trans_dp(encoder, &kbl_u_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1133,12 +1176,12 @@ kbl_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&skl_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return _skl_get_buf_trans_dp(encoder, &skl_ddi_translations_edp, n_entries); + return _skl_get_buf_trans_dp(encoder, &skl_trans_edp, n_entries); else - return _skl_get_buf_trans_dp(encoder, &kbl_ddi_translations_dp, n_entries); + return _skl_get_buf_trans_dp(encoder, &kbl_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1149,12 +1192,12 @@ bxt_get_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *i915 = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&bxt_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&bxt_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && i915->vbt.edp.low_vswing) - return intel_get_buf_trans(&bxt_ddi_translations_edp, n_entries); + return intel_get_buf_trans(&bxt_trans_edp, n_entries); else - return intel_get_buf_trans(&bxt_ddi_translations_dp, n_entries); + return intel_get_buf_trans(&bxt_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1162,7 +1205,7 @@ icl_get_combo_buf_trans_dp(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, int *n_entries) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, + return intel_get_buf_trans(&icl_combo_phy_trans_dp_hbr2_edp_hbr3, n_entries); } @@ -1174,10 +1217,10 @@ icl_get_combo_buf_trans_edp(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); if (crtc_state->port_clock > 540000) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, + return intel_get_buf_trans(&icl_combo_phy_trans_dp_hbr2_edp_hbr3, n_entries); } else if (dev_priv->vbt.edp.low_vswing) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2, + return intel_get_buf_trans(&icl_combo_phy_trans_edp_hbr2, n_entries); } @@ -1190,7 +1233,7 @@ icl_get_combo_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) return icl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else @@ -1203,10 +1246,10 @@ icl_get_mg_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) { - return intel_get_buf_trans(&icl_mg_phy_ddi_translations_hbr2_hbr3, + return intel_get_buf_trans(&icl_mg_phy_trans_hbr2_hbr3, n_entries); } else { - return intel_get_buf_trans(&icl_mg_phy_ddi_translations_rbr_hbr, + return intel_get_buf_trans(&icl_mg_phy_trans_rbr_hbr, n_entries); } } @@ -1217,7 +1260,7 @@ icl_get_mg_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_mg_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_mg_phy_trans_hdmi, n_entries); else return icl_get_mg_buf_trans_dp(encoder, crtc_state, n_entries); } @@ -1228,9 +1271,9 @@ ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) - return intel_get_buf_trans(&ehl_combo_phy_ddi_translations_edp_hbr2, n_entries); + return intel_get_buf_trans(&ehl_combo_phy_trans_edp_hbr2, n_entries); else - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_edp_hbr2, n_entries); } static const struct intel_ddi_buf_trans * @@ -1241,12 +1284,12 @@ ehl_get_combo_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && dev_priv->vbt.edp.low_vswing) return ehl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else - return intel_get_buf_trans(&ehl_combo_phy_ddi_translations_dp, n_entries); + return intel_get_buf_trans(&ehl_combo_phy_trans_dp, n_entries); } static const struct intel_ddi_buf_trans * @@ -1255,9 +1298,9 @@ jsl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) - return intel_get_buf_trans(&jsl_combo_phy_ddi_translations_edp_hbr2, n_entries); + return intel_get_buf_trans(&jsl_combo_phy_trans_edp_hbr2, n_entries); else - return intel_get_buf_trans(&jsl_combo_phy_ddi_translations_edp_hbr, n_entries); + return intel_get_buf_trans(&jsl_combo_phy_trans_edp_hbr, n_entries); } static const struct intel_ddi_buf_trans * @@ -1268,12 +1311,12 @@ jsl_get_combo_buf_trans(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && dev_priv->vbt.edp.low_vswing) return jsl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_dp_hbr2_edp_hbr3, n_entries); } static const struct intel_ddi_buf_trans * @@ -1285,14 +1328,14 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder, if (crtc_state->port_clock > 270000) { if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) { - return intel_get_buf_trans(&tgl_uy_combo_phy_ddi_translations_dp_hbr2, + return intel_get_buf_trans(&tgl_uy_combo_phy_trans_dp_hbr2, n_entries); } else { - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr2, + return intel_get_buf_trans(&tgl_combo_phy_trans_dp_hbr2, n_entries); } } else { - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr, + return intel_get_buf_trans(&tgl_combo_phy_trans_dp_hbr, n_entries); } } @@ -1306,13 +1349,13 @@ tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); if (crtc_state->port_clock > 540000) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, + return intel_get_buf_trans(&icl_combo_phy_trans_dp_hbr2_edp_hbr3, n_entries); } else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) { - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, + return intel_get_buf_trans(&tgl_combo_phy_trans_edp_hbr2_hobl, n_entries); } else if (dev_priv->vbt.edp.low_vswing) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2, + return intel_get_buf_trans(&icl_combo_phy_trans_edp_hbr2, n_entries); } @@ -1325,7 +1368,7 @@ tgl_get_combo_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) return tgl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else @@ -1338,10 +1381,10 @@ dg1_get_combo_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) - return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_hbr2_hbr3, + return intel_get_buf_trans(&dg1_combo_phy_trans_dp_hbr2_hbr3, n_entries); else - return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_rbr_hbr, + return intel_get_buf_trans(&dg1_combo_phy_trans_dp_rbr_hbr, n_entries); } @@ -1354,13 +1397,13 @@ dg1_get_combo_buf_trans_edp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); if (crtc_state->port_clock > 540000) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, + return intel_get_buf_trans(&icl_combo_phy_trans_dp_hbr2_edp_hbr3, n_entries); else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, + return intel_get_buf_trans(&tgl_combo_phy_trans_edp_hbr2_hobl, n_entries); else if (dev_priv->vbt.edp.low_vswing) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2, + return intel_get_buf_trans(&icl_combo_phy_trans_edp_hbr2, n_entries); else return dg1_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); @@ -1372,7 +1415,7 @@ dg1_get_combo_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) return dg1_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else @@ -1385,9 +1428,9 @@ rkl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) - return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries); + return intel_get_buf_trans(&rkl_combo_phy_trans_dp_hbr2_hbr3, n_entries); else - return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr, n_entries); + return intel_get_buf_trans(&rkl_combo_phy_trans_dp_hbr, n_entries); } static const struct intel_ddi_buf_trans * @@ -1399,13 +1442,13 @@ rkl_get_combo_buf_trans_edp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); if (crtc_state->port_clock > 540000) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, + return intel_get_buf_trans(&icl_combo_phy_trans_dp_hbr2_edp_hbr3, n_entries); } else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) { - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, + return intel_get_buf_trans(&tgl_combo_phy_trans_edp_hbr2_hobl, n_entries); } else if (dev_priv->vbt.edp.low_vswing) { - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2, + return intel_get_buf_trans(&icl_combo_phy_trans_edp_hbr2, n_entries); } @@ -1418,7 +1461,7 @@ rkl_get_combo_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) return rkl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else @@ -1431,9 +1474,9 @@ adls_get_combo_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) - return intel_get_buf_trans(&adls_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries); + return intel_get_buf_trans(&adls_combo_phy_trans_dp_hbr2_hbr3, n_entries); else - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr, n_entries); + return intel_get_buf_trans(&tgl_combo_phy_trans_dp_hbr, n_entries); } static const struct intel_ddi_buf_trans * @@ -1445,11 +1488,11 @@ adls_get_combo_buf_trans_edp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); if (crtc_state->port_clock > 540000) - return intel_get_buf_trans(&adls_combo_phy_ddi_translations_edp_hbr3, n_entries); + return intel_get_buf_trans(&adls_combo_phy_trans_edp_hbr3, n_entries); else if (i915->vbt.edp.hobl && !intel_dp->hobl_failed) - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, n_entries); + return intel_get_buf_trans(&tgl_combo_phy_trans_edp_hbr2_hobl, n_entries); else if (i915->vbt.edp.low_vswing) - return intel_get_buf_trans(&adls_combo_phy_ddi_translations_edp_hbr2, n_entries); + return intel_get_buf_trans(&adls_combo_phy_trans_edp_hbr2, n_entries); else return adls_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); } @@ -1460,7 +1503,7 @@ adls_get_combo_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&icl_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) return adls_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else @@ -1473,9 +1516,9 @@ adlp_get_combo_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) - return intel_get_buf_trans(&adlp_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries); + return intel_get_buf_trans(&adlp_combo_phy_trans_dp_hbr2_hbr3, n_entries); else - return intel_get_buf_trans(&adlp_combo_phy_ddi_translations_dp_hbr, n_entries); + return intel_get_buf_trans(&adlp_combo_phy_trans_dp_hbr, n_entries); } static const struct intel_ddi_buf_trans * @@ -1487,13 +1530,13 @@ adlp_get_combo_buf_trans_edp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); if (crtc_state->port_clock > 540000) { - return intel_get_buf_trans(&adlp_combo_phy_ddi_translations_edp_hbr3, + return intel_get_buf_trans(&adlp_combo_phy_trans_edp_hbr3, n_entries); } else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) { - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, + return intel_get_buf_trans(&tgl_combo_phy_trans_edp_hbr2_hobl, n_entries); } else if (dev_priv->vbt.edp.low_vswing) { - return intel_get_buf_trans(&adlp_combo_phy_ddi_translations_edp_up_to_hbr2, + return intel_get_buf_trans(&adlp_combo_phy_trans_edp_up_to_hbr2, n_entries); } @@ -1506,7 +1549,7 @@ adlp_get_combo_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&adlp_combo_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&adlp_combo_phy_trans_hdmi, n_entries); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) return adlp_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); else @@ -1519,10 +1562,10 @@ tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) { - return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_dp_hbr2, + return intel_get_buf_trans(&tgl_dkl_phy_trans_dp_hbr2, n_entries); } else { - return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_dp_hbr, + return intel_get_buf_trans(&tgl_dkl_phy_trans_dp_hbr, n_entries); } } @@ -1533,7 +1576,7 @@ tgl_get_dkl_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&tgl_dkl_phy_trans_hdmi, n_entries); else return tgl_get_dkl_buf_trans_dp(encoder, crtc_state, n_entries); } @@ -1544,10 +1587,10 @@ adlp_get_dkl_buf_trans_dp(struct intel_encoder *encoder, int *n_entries) { if (crtc_state->port_clock > 270000) { - return intel_get_buf_trans(&adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3, + return intel_get_buf_trans(&adlp_dkl_phy_trans_dp_hbr2_hbr3, n_entries); } else { - return intel_get_buf_trans(&adlp_dkl_phy_ddi_translations_dp_hbr, + return intel_get_buf_trans(&adlp_dkl_phy_trans_dp_hbr, n_entries); } } @@ -1558,29 +1601,20 @@ adlp_get_dkl_buf_trans(struct intel_encoder *encoder, int *n_entries) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_hdmi, n_entries); + return intel_get_buf_trans(&tgl_dkl_phy_trans_hdmi, n_entries); else return adlp_get_dkl_buf_trans_dp(encoder, crtc_state, n_entries); } -int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int *default_entry) +static const struct intel_ddi_buf_trans * +dg2_get_snps_buf_trans(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + int *n_entries) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct intel_ddi_buf_trans *ddi_translations; - int n_entries; - - ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - - if (drm_WARN_ON(&dev_priv->drm, !ddi_translations)) { - *default_entry = 0; - return 0; - } - - *default_entry = ddi_translations->hdmi_default_entry; - - return n_entries; + if (crtc_state->port_clock > 1000000) + return intel_get_buf_trans(&dg2_snps_trans_uhbr, n_entries); + else + return intel_get_buf_trans(&dg2_snps_trans, n_entries); } void intel_ddi_buf_trans_init(struct intel_encoder *encoder) @@ -1588,7 +1622,9 @@ void intel_ddi_buf_trans_init(struct intel_encoder *encoder) struct drm_i915_private *i915 = to_i915(encoder->base.dev); enum phy phy = intel_port_to_phy(i915, encoder->port); - if (IS_ALDERLAKE_P(i915)) { + if (IS_DG2(i915)) { + encoder->get_buf_trans = dg2_get_snps_buf_trans; + } else if (IS_ALDERLAKE_P(i915)) { if (intel_phy_is_combo(i915, phy)) encoder->get_buf_trans = adlp_get_combo_buf_trans; else diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h index 2acd720f9d4f..6cdb8e9073c7 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h @@ -45,12 +45,19 @@ struct tgl_dkl_phy_ddi_buf_trans { u32 dkl_de_emphasis_control; }; +struct dg2_snps_phy_buf_trans { + u8 snps_vswing; + u8 snps_pre_cursor; + u8 snps_post_cursor; +}; + union intel_ddi_buf_trans_entry { struct hsw_ddi_buf_trans hsw; struct bxt_ddi_buf_trans bxt; struct icl_ddi_buf_trans icl; struct icl_mg_phy_ddi_buf_trans mg; struct tgl_dkl_phy_ddi_buf_trans dkl; + struct dg2_snps_phy_buf_trans snps; }; struct intel_ddi_buf_trans { @@ -61,10 +68,6 @@ struct intel_ddi_buf_trans { bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table); -int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - int *default_entry); - void intel_ddi_buf_trans_init(struct intel_encoder *encoder); #endif diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 134a6acbd8fb..873b6b0c0581 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -52,6 +52,7 @@ #include "display/intel_dp_mst.h" #include "display/intel_dpll.h" #include "display/intel_dpll_mgr.h" +#include "display/intel_drrs.h" #include "display/intel_dsi.h" #include "display/intel_dvo.h" #include "display/intel_fb.h" @@ -84,6 +85,7 @@ #include "intel_display_types.h" #include "intel_dmc.h" #include "intel_dp_link_training.h" +#include "intel_dpt.h" #include "intel_fbc.h" #include "intel_fdi.h" #include "intel_fbdev.h" @@ -92,6 +94,7 @@ #include "intel_hdcp.h" #include "intel_hotplug.h" #include "intel_overlay.h" +#include "intel_panel.h" #include "intel_pipe_crc.h" #include "intel_pm.h" #include "intel_pps.h" @@ -110,9 +113,6 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc, static void ilk_pch_clock_get(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config); -static int intel_framebuffer_init(struct intel_framebuffer *ifb, - struct drm_i915_gem_object *obj, - struct drm_mode_fb_cmd2 *mode_cmd); static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_state); static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state); static void intel_cpu_transcoder_set_m_n(const struct intel_crtc_state *crtc_state, @@ -120,186 +120,105 @@ static void intel_cpu_transcoder_set_m_n(const struct intel_crtc_state *crtc_sta const struct intel_link_m_n *m2_n2); static void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state); static void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state); -static void hsw_set_pipeconf(const struct intel_crtc_state *crtc_state); +static void hsw_set_transconf(const struct intel_crtc_state *crtc_state); static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state); static void ilk_pfit_enable(const struct intel_crtc_state *crtc_state); static void intel_modeset_setup_hw_state(struct drm_device *dev, struct drm_modeset_acquire_ctx *ctx); -struct i915_dpt { - struct i915_address_space vm; - - struct drm_i915_gem_object *obj; - struct i915_vma *vma; - void __iomem *iomem; -}; - -#define i915_is_dpt(vm) ((vm)->is_dpt) - -static inline struct i915_dpt * -i915_vm_to_dpt(struct i915_address_space *vm) -{ - BUILD_BUG_ON(offsetof(struct i915_dpt, vm)); - GEM_BUG_ON(!i915_is_dpt(vm)); - return container_of(vm, struct i915_dpt, vm); -} - -#define dpt_total_entries(dpt) ((dpt)->vm.total >> PAGE_SHIFT) - -static void gen8_set_pte(void __iomem *addr, gen8_pte_t pte) -{ - writeq(pte, addr); -} - -static void dpt_insert_page(struct i915_address_space *vm, - dma_addr_t addr, - u64 offset, - enum i915_cache_level level, - u32 flags) -{ - struct i915_dpt *dpt = i915_vm_to_dpt(vm); - gen8_pte_t __iomem *base = dpt->iomem; - - gen8_set_pte(base + offset / I915_GTT_PAGE_SIZE, - vm->pte_encode(addr, level, flags)); -} - -static void dpt_insert_entries(struct i915_address_space *vm, - struct i915_vma *vma, - enum i915_cache_level level, - u32 flags) +/** + * intel_update_watermarks - update FIFO watermark values based on current modes + * @dev_priv: i915 device + * + * Calculate watermark values for the various WM regs based on current mode + * and plane configuration. + * + * There are several cases to deal with here: + * - normal (i.e. non-self-refresh) + * - self-refresh (SR) mode + * - lines are large relative to FIFO size (buffer can hold up to 2) + * - lines are small relative to FIFO size (buffer can hold more than 2 + * lines), so need to account for TLB latency + * + * The normal calculation is: + * watermark = dotclock * bytes per pixel * latency + * where latency is platform & configuration dependent (we assume pessimal + * values here). + * + * The SR calculation is: + * watermark = (trunc(latency/line time)+1) * surface width * + * bytes per pixel + * where + * line time = htotal / dotclock + * surface width = hdisplay for normal plane and 64 for cursor + * and latency is assumed to be high, as above. + * + * The final value programmed to the register should always be rounded up, + * and include an extra 2 entries to account for clock crossings. + * + * We don't use the sprite, so we can ignore that. And on Crestline we have + * to set the non-SR watermarks to 8. + */ +static void intel_update_watermarks(struct drm_i915_private *dev_priv) { - struct i915_dpt *dpt = i915_vm_to_dpt(vm); - gen8_pte_t __iomem *base = dpt->iomem; - const gen8_pte_t pte_encode = vm->pte_encode(0, level, flags); - struct sgt_iter sgt_iter; - dma_addr_t addr; - int i; - - /* - * Note that we ignore PTE_READ_ONLY here. The caller must be careful - * not to allow the user to override access to a read only page. - */ - - i = vma->node.start / I915_GTT_PAGE_SIZE; - for_each_sgt_daddr(addr, sgt_iter, vma->pages) - gen8_set_pte(&base[i++], pte_encode | addr); + if (dev_priv->wm_disp->update_wm) + dev_priv->wm_disp->update_wm(dev_priv); } -static void dpt_clear_range(struct i915_address_space *vm, - u64 start, u64 length) +static int intel_compute_pipe_wm(struct intel_atomic_state *state, + struct intel_crtc *crtc) { + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + if (dev_priv->wm_disp->compute_pipe_wm) + return dev_priv->wm_disp->compute_pipe_wm(state, crtc); + return 0; } -static void dpt_bind_vma(struct i915_address_space *vm, - struct i915_vm_pt_stash *stash, - struct i915_vma *vma, - enum i915_cache_level cache_level, - u32 flags) +static int intel_compute_intermediate_wm(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct drm_i915_gem_object *obj = vma->obj; - u32 pte_flags; - - /* Applicable to VLV (gen8+ do not support RO in the GGTT) */ - pte_flags = 0; - if (vma->vm->has_read_only && i915_gem_object_is_readonly(obj)) - pte_flags |= PTE_READ_ONLY; - if (i915_gem_object_is_lmem(obj)) - pte_flags |= PTE_LM; - - vma->vm->insert_entries(vma->vm, vma, cache_level, pte_flags); - - vma->page_sizes.gtt = I915_GTT_PAGE_SIZE; - - /* - * Without aliasing PPGTT there's no difference between - * GLOBAL/LOCAL_BIND, it's all the same ptes. Hence unconditionally - * upgrade to both bound if we bind either to avoid double-binding. - */ - atomic_or(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND, &vma->flags); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + if (!dev_priv->wm_disp->compute_intermediate_wm) + return 0; + if (drm_WARN_ON(&dev_priv->drm, + !dev_priv->wm_disp->compute_pipe_wm)) + return 0; + return dev_priv->wm_disp->compute_intermediate_wm(state, crtc); } -static void dpt_unbind_vma(struct i915_address_space *vm, struct i915_vma *vma) +static bool intel_initial_watermarks(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - vm->clear_range(vm, vma->node.start, vma->size); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + if (dev_priv->wm_disp->initial_watermarks) { + dev_priv->wm_disp->initial_watermarks(state, crtc); + return true; + } + return false; } -static void dpt_cleanup(struct i915_address_space *vm) +static void intel_atomic_update_watermarks(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct i915_dpt *dpt = i915_vm_to_dpt(vm); - - i915_gem_object_put(dpt->obj); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + if (dev_priv->wm_disp->atomic_update_watermarks) + dev_priv->wm_disp->atomic_update_watermarks(state, crtc); } -static struct i915_address_space * -intel_dpt_create(struct intel_framebuffer *fb) +static void intel_optimize_watermarks(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct drm_gem_object *obj = &intel_fb_obj(&fb->base)->base; - struct drm_i915_private *i915 = to_i915(obj->dev); - struct drm_i915_gem_object *dpt_obj; - struct i915_address_space *vm; - struct i915_dpt *dpt; - size_t size; - int ret; - - if (intel_fb_needs_pot_stride_remap(fb)) - size = intel_remapped_info_size(&fb->remapped_view.gtt.remapped); - else - size = DIV_ROUND_UP_ULL(obj->size, I915_GTT_PAGE_SIZE); - - size = round_up(size * sizeof(gen8_pte_t), I915_GTT_PAGE_SIZE); - - if (HAS_LMEM(i915)) - dpt_obj = i915_gem_object_create_lmem(i915, size, 0); - else - dpt_obj = i915_gem_object_create_stolen(i915, size); - if (IS_ERR(dpt_obj)) - return ERR_CAST(dpt_obj); - - ret = i915_gem_object_set_cache_level(dpt_obj, I915_CACHE_NONE); - if (ret) { - i915_gem_object_put(dpt_obj); - return ERR_PTR(ret); - } - - dpt = kzalloc(sizeof(*dpt), GFP_KERNEL); - if (!dpt) { - i915_gem_object_put(dpt_obj); - return ERR_PTR(-ENOMEM); - } - - vm = &dpt->vm; - - vm->gt = &i915->gt; - vm->i915 = i915; - vm->dma = i915->drm.dev; - vm->total = (size / sizeof(gen8_pte_t)) * I915_GTT_PAGE_SIZE; - vm->is_dpt = true; - - i915_address_space_init(vm, VM_CLASS_DPT); - - vm->insert_page = dpt_insert_page; - vm->clear_range = dpt_clear_range; - vm->insert_entries = dpt_insert_entries; - vm->cleanup = dpt_cleanup; - - vm->vma_ops.bind_vma = dpt_bind_vma; - vm->vma_ops.unbind_vma = dpt_unbind_vma; - vm->vma_ops.set_pages = ggtt_set_pages; - vm->vma_ops.clear_pages = clear_pages; - - vm->pte_encode = gen8_ggtt_pte_encode; - - dpt->obj = dpt_obj; - - return &dpt->vm; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + if (dev_priv->wm_disp->optimize_watermarks) + dev_priv->wm_disp->optimize_watermarks(state, crtc); } -static void intel_dpt_destroy(struct i915_address_space *vm) +static int intel_compute_global_watermarks(struct intel_atomic_state *state) { - struct i915_dpt *dpt = i915_vm_to_dpt(vm); - - i915_vm_close(&dpt->vm); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + if (dev_priv->wm_disp->compute_global_watermarks) + return dev_priv->wm_disp->compute_global_watermarks(state); + return 0; } /* returns HPLL frequency in kHz */ @@ -359,6 +278,12 @@ static void intel_update_czclk(struct drm_i915_private *dev_priv) dev_priv->czclk_freq); } +static bool is_hdr_mode(const struct intel_crtc_state *crtc_state) +{ + return (crtc_state->active_planes & + ~(icl_hdr_plane_mask() | BIT(PLANE_CURSOR))) == 0; +} + /* WA Display #0827: Gen9:all */ static void skl_wa_827(struct drm_i915_private *dev_priv, enum pipe pipe, bool enable) @@ -384,6 +309,15 @@ icl_wa_scalerclkgating(struct drm_i915_private *dev_priv, enum pipe pipe, intel_de_read(dev_priv, CLKGATE_DIS_PSL(pipe)) & ~DPFR_GATING_DIS); } +/* Wa_1604331009:icl,jsl,ehl */ +static void +icl_wa_cursorclkgating(struct drm_i915_private *dev_priv, enum pipe pipe, + bool enable) +{ + intel_de_rmw(dev_priv, CLKGATE_DIS_PSL(pipe), CURSOR_GATING_DIS, + enable ? CURSOR_GATING_DIS : 0); +} + static bool is_trans_port_sync_slave(const struct intel_crtc_state *crtc_state) { @@ -464,168 +398,8 @@ intel_wait_for_pipe_off(const struct intel_crtc_state *old_crtc_state) } } -/* Only for pre-ILK configs */ -void assert_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state) -{ - u32 val; - bool cur_state; - - val = intel_de_read(dev_priv, DPLL(pipe)); - cur_state = !!(val & DPLL_VCO_ENABLE); - I915_STATE_WARN(cur_state != state, - "PLL state assertion failure (expected %s, current %s)\n", - onoff(state), onoff(cur_state)); -} - -/* XXX: the dsi pll is shared between MIPI DSI ports */ -void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) -{ - u32 val; - bool cur_state; - - vlv_cck_get(dev_priv); - val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); - vlv_cck_put(dev_priv); - - cur_state = val & DSI_PLL_VCO_EN; - I915_STATE_WARN(cur_state != state, - "DSI PLL state assertion failure (expected %s, current %s)\n", - onoff(state), onoff(cur_state)); -} - -static void assert_fdi_tx(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state) -{ - bool cur_state; - - if (HAS_DDI(dev_priv)) { - /* - * DDI does not have a specific FDI_TX register. - * - * FDI is never fed from EDP transcoder - * so pipe->transcoder cast is fine here. - */ - enum transcoder cpu_transcoder = (enum transcoder)pipe; - u32 val = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(cpu_transcoder)); - cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); - } else { - u32 val = intel_de_read(dev_priv, FDI_TX_CTL(pipe)); - cur_state = !!(val & FDI_TX_ENABLE); - } - I915_STATE_WARN(cur_state != state, - "FDI TX state assertion failure (expected %s, current %s)\n", - onoff(state), onoff(cur_state)); -} -#define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) -#define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) - -static void assert_fdi_rx(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state) -{ - u32 val; - bool cur_state; - - val = intel_de_read(dev_priv, FDI_RX_CTL(pipe)); - cur_state = !!(val & FDI_RX_ENABLE); - I915_STATE_WARN(cur_state != state, - "FDI RX state assertion failure (expected %s, current %s)\n", - onoff(state), onoff(cur_state)); -} -#define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) -#define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) - -static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, - enum pipe pipe) -{ - u32 val; - - /* ILK FDI PLL is always enabled */ - if (IS_IRONLAKE(dev_priv)) - return; - - /* On Haswell, DDI ports are responsible for the FDI PLL setup */ - if (HAS_DDI(dev_priv)) - return; - - val = intel_de_read(dev_priv, FDI_TX_CTL(pipe)); - I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); -} - -void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state) -{ - u32 val; - bool cur_state; - - val = intel_de_read(dev_priv, FDI_RX_CTL(pipe)); - cur_state = !!(val & FDI_RX_PLL_ENABLE); - I915_STATE_WARN(cur_state != state, - "FDI RX PLL assertion failure (expected %s, current %s)\n", - onoff(state), onoff(cur_state)); -} - -void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe) -{ - i915_reg_t pp_reg; - u32 val; - enum pipe panel_pipe = INVALID_PIPE; - bool locked = true; - - if (drm_WARN_ON(&dev_priv->drm, HAS_DDI(dev_priv))) - return; - - if (HAS_PCH_SPLIT(dev_priv)) { - u32 port_sel; - - pp_reg = PP_CONTROL(0); - port_sel = intel_de_read(dev_priv, PP_ON_DELAYS(0)) & PANEL_PORT_SELECT_MASK; - - switch (port_sel) { - case PANEL_PORT_SELECT_LVDS: - intel_lvds_port_enabled(dev_priv, PCH_LVDS, &panel_pipe); - break; - case PANEL_PORT_SELECT_DPA: - g4x_dp_port_enabled(dev_priv, DP_A, PORT_A, &panel_pipe); - break; - case PANEL_PORT_SELECT_DPC: - g4x_dp_port_enabled(dev_priv, PCH_DP_C, PORT_C, &panel_pipe); - break; - case PANEL_PORT_SELECT_DPD: - g4x_dp_port_enabled(dev_priv, PCH_DP_D, PORT_D, &panel_pipe); - break; - default: - MISSING_CASE(port_sel); - break; - } - } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - /* presumably write lock depends on pipe, not port select */ - pp_reg = PP_CONTROL(pipe); - panel_pipe = pipe; - } else { - u32 port_sel; - - pp_reg = PP_CONTROL(0); - port_sel = intel_de_read(dev_priv, PP_ON_DELAYS(0)) & PANEL_PORT_SELECT_MASK; - - drm_WARN_ON(&dev_priv->drm, - port_sel != PANEL_PORT_SELECT_LVDS); - intel_lvds_port_enabled(dev_priv, LVDS, &panel_pipe); - } - - val = intel_de_read(dev_priv, pp_reg); - if (!(val & PANEL_POWER_ON) || - ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) - locked = false; - - I915_STATE_WARN(panel_pipe == pipe && locked, - "panel assertion failure, pipe %c regs locked\n", - pipe_name(pipe)); -} - -void assert_pipe(struct drm_i915_private *dev_priv, - enum transcoder cpu_transcoder, bool state) +void assert_transcoder(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder, bool state) { bool cur_state; enum intel_display_power_domain power_domain; @@ -942,7 +716,7 @@ enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc) return crtc->pipe; } -void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state) +void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state) { struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -1003,7 +777,7 @@ void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state) intel_wait_for_pipe_scanline_moving(crtc); } -void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state) +void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state) { struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -1053,69 +827,6 @@ intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, info->num_planes == (is_ccs_modifier(modifier) ? 4 : 2); } -unsigned int -intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane) -{ - struct drm_i915_private *dev_priv = to_i915(fb->dev); - unsigned int cpp = fb->format->cpp[color_plane]; - - switch (fb->modifier) { - case DRM_FORMAT_MOD_LINEAR: - return intel_tile_size(dev_priv); - case I915_FORMAT_MOD_X_TILED: - if (DISPLAY_VER(dev_priv) == 2) - return 128; - else - return 512; - case I915_FORMAT_MOD_Y_TILED_CCS: - if (is_ccs_plane(fb, color_plane)) - return 128; - fallthrough; - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: - case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: - if (is_ccs_plane(fb, color_plane)) - return 64; - fallthrough; - case I915_FORMAT_MOD_Y_TILED: - if (DISPLAY_VER(dev_priv) == 2 || HAS_128_BYTE_Y_TILING(dev_priv)) - return 128; - else - return 512; - case I915_FORMAT_MOD_Yf_TILED_CCS: - if (is_ccs_plane(fb, color_plane)) - return 128; - fallthrough; - case I915_FORMAT_MOD_Yf_TILED: - switch (cpp) { - case 1: - return 64; - case 2: - case 4: - return 128; - case 8: - case 16: - return 256; - default: - MISSING_CASE(cpp); - return cpp; - } - break; - default: - MISSING_CASE(fb->modifier); - return cpp; - } -} - -unsigned int -intel_fb_align_height(const struct drm_framebuffer *fb, - int color_plane, unsigned int height) -{ - unsigned int tile_height = intel_tile_height(fb, color_plane); - - return ALIGN(height, tile_height); -} - unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info) { unsigned int size = 0; @@ -1132,79 +843,13 @@ unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info unsigned int size = 0; int i; - for (i = 0 ; i < ARRAY_SIZE(rem_info->plane); i++) + for (i = 0 ; i < ARRAY_SIZE(rem_info->plane); i++) { + if (rem_info->plane_alignment) + size = ALIGN(size, rem_info->plane_alignment); size += rem_info->plane[i].dst_stride * rem_info->plane[i].height; - - return size; -} - -static unsigned int intel_linear_alignment(const struct drm_i915_private *dev_priv) -{ - if (DISPLAY_VER(dev_priv) >= 9) - return 256 * 1024; - else if (IS_I965G(dev_priv) || IS_I965GM(dev_priv) || - IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - return 128 * 1024; - else if (DISPLAY_VER(dev_priv) >= 4) - return 4 * 1024; - else - return 0; -} - -static bool has_async_flips(struct drm_i915_private *i915) -{ - return DISPLAY_VER(i915) >= 5; -} - -unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, - int color_plane) -{ - struct drm_i915_private *dev_priv = to_i915(fb->dev); - - if (intel_fb_uses_dpt(fb)) - return 512 * 4096; - - /* AUX_DIST needs only 4K alignment */ - if (is_ccs_plane(fb, color_plane)) - return 4096; - - if (is_semiplanar_uv_plane(fb, color_plane)) { - /* - * TODO: cross-check wrt. the bspec stride in bytes * 64 bytes - * alignment for linear UV planes on all platforms. - */ - if (DISPLAY_VER(dev_priv) >= 12) { - if (fb->modifier == DRM_FORMAT_MOD_LINEAR) - return intel_linear_alignment(dev_priv); - - return intel_tile_row_size(fb, color_plane); - } - - return 4096; } - drm_WARN_ON(&dev_priv->drm, color_plane != 0); - - switch (fb->modifier) { - case DRM_FORMAT_MOD_LINEAR: - return intel_linear_alignment(dev_priv); - case I915_FORMAT_MOD_X_TILED: - if (has_async_flips(dev_priv)) - return 256 * 1024; - return 0; - case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: - return 16 * 1024; - case I915_FORMAT_MOD_Y_TILED_CCS: - case I915_FORMAT_MOD_Yf_TILED_CCS: - case I915_FORMAT_MOD_Y_TILED: - case I915_FORMAT_MOD_Yf_TILED: - return 1 * 1024 * 1024; - default: - MISSING_CASE(fb->modifier); - return 0; - } + return size; } static bool intel_plane_uses_fence(const struct intel_plane_state *plane_state) @@ -1440,22 +1085,6 @@ void intel_add_fb_offsets(int *x, int *y, *y += state->view.color_plane[color_plane].y; } -static unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier) -{ - switch (fb_modifier) { - case I915_FORMAT_MOD_X_TILED: - return I915_TILING_X; - case I915_FORMAT_MOD_Y_TILED: - case I915_FORMAT_MOD_Y_TILED_CCS: - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: - case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: - return I915_TILING_Y; - default: - return I915_TILING_NONE; - } -} - /* * From the Sky Lake PRM: * "The Color Control Surface (CCS) contains the compression status of @@ -1586,12 +1215,6 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd) } } -static int gen12_ccs_aux_stride(struct drm_framebuffer *fb, int ccs_plane) -{ - return DIV_ROUND_UP(fb->pitches[skl_ccs_to_main_plane(fb, ccs_plane)], - 512) * 64; -} - u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, u32 pixel_format, u64 modifier) { @@ -1616,71 +1239,6 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, DRM_MODE_ROTATE_0); } -static -u32 intel_fb_max_stride(struct drm_i915_private *dev_priv, - u32 pixel_format, u64 modifier) -{ - /* - * Arbitrary limit for gen4+ chosen to match the - * render engine max stride. - * - * The new CCS hash mode makes remapping impossible - */ - if (DISPLAY_VER(dev_priv) < 4 || is_ccs_modifier(modifier) || - intel_modifier_uses_dpt(dev_priv, modifier)) - return intel_plane_fb_max_stride(dev_priv, pixel_format, modifier); - else if (DISPLAY_VER(dev_priv) >= 7) - return 256 * 1024; - else - return 128 * 1024; -} - -static u32 -intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane) -{ - struct drm_i915_private *dev_priv = to_i915(fb->dev); - u32 tile_width; - - if (is_surface_linear(fb, color_plane)) { - u32 max_stride = intel_plane_fb_max_stride(dev_priv, - fb->format->format, - fb->modifier); - - /* - * To make remapping with linear generally feasible - * we need the stride to be page aligned. - */ - if (fb->pitches[color_plane] > max_stride && - !is_ccs_modifier(fb->modifier)) - return intel_tile_size(dev_priv); - else - return 64; - } - - tile_width = intel_tile_width_bytes(fb, color_plane); - if (is_ccs_modifier(fb->modifier)) { - /* - * Display WA #0531: skl,bxt,kbl,glk - * - * Render decompression and plane width > 3840 - * combined with horizontal panning requires the - * plane stride to be a multiple of 4. We'll just - * require the entire fb to accommodate that to avoid - * potential runtime errors at plane configuration time. - */ - if ((DISPLAY_VER(dev_priv) == 9 || IS_GEMINILAKE(dev_priv)) && - color_plane == 0 && fb->width > 3840) - tile_width *= 4; - /* - * The main surface pitch must be padded to a multiple of four - * tile widths. - */ - else if (DISPLAY_VER(dev_priv) >= 12) - tile_width *= 4; - } - return tile_width; -} - static struct i915_vma * initial_plane_vma(struct drm_i915_private *i915, struct intel_initial_plane_config *plane_config) @@ -1879,49 +1437,6 @@ static void intel_plane_disable_noatomic(struct intel_crtc *crtc, intel_wait_for_vblank(dev_priv, crtc->pipe); } -static struct i915_vma *intel_dpt_pin(struct i915_address_space *vm) -{ - struct drm_i915_private *i915 = vm->i915; - struct i915_dpt *dpt = i915_vm_to_dpt(vm); - intel_wakeref_t wakeref; - struct i915_vma *vma; - void __iomem *iomem; - - wakeref = intel_runtime_pm_get(&i915->runtime_pm); - atomic_inc(&i915->gpu_error.pending_fb_pin); - - vma = i915_gem_object_ggtt_pin(dpt->obj, NULL, 0, 4096, - HAS_LMEM(i915) ? 0 : PIN_MAPPABLE); - if (IS_ERR(vma)) - goto err; - - iomem = i915_vma_pin_iomap(vma); - i915_vma_unpin(vma); - if (IS_ERR(iomem)) { - vma = iomem; - goto err; - } - - dpt->vma = vma; - dpt->iomem = iomem; - - i915_vma_get(vma); - -err: - atomic_dec(&i915->gpu_error.pending_fb_pin); - intel_runtime_pm_put(&i915->runtime_pm, wakeref); - - return vma; -} - -static void intel_dpt_unpin(struct i915_address_space *vm) -{ - struct i915_dpt *dpt = i915_vm_to_dpt(vm); - - i915_vma_unpin_iomap(dpt->vma); - i915_vma_put(dpt->vma); -} - static bool intel_reuse_initial_plane_obj(struct drm_i915_private *i915, const struct intel_initial_plane_config *plane_config, @@ -2036,8 +1551,6 @@ valid_fb: plane_state->uapi.crtc = &crtc->base; intel_plane_copy_uapi_to_hw_state(plane_state, plane_state, crtc); - intel_frontbuffer_flush(to_intel_frontbuffer(fb), ORIGIN_DIRTYFB); - atomic_or(plane->frontbuffer_bit, &to_intel_frontbuffer(fb)->bits); } @@ -2449,55 +1962,6 @@ static void ilk_pch_transcoder_set_timings(const struct intel_crtc_state *crtc_s intel_de_read(dev_priv, VSYNCSHIFT(cpu_transcoder))); } -static void cpt_set_fdi_bc_bifurcation(struct drm_i915_private *dev_priv, bool enable) -{ - u32 temp; - - temp = intel_de_read(dev_priv, SOUTH_CHICKEN1); - if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) - return; - - drm_WARN_ON(&dev_priv->drm, - intel_de_read(dev_priv, FDI_RX_CTL(PIPE_B)) & - FDI_RX_ENABLE); - drm_WARN_ON(&dev_priv->drm, - intel_de_read(dev_priv, FDI_RX_CTL(PIPE_C)) & - FDI_RX_ENABLE); - - temp &= ~FDI_BC_BIFURCATION_SELECT; - if (enable) - temp |= FDI_BC_BIFURCATION_SELECT; - - drm_dbg_kms(&dev_priv->drm, "%sabling fdi C rx\n", - enable ? "en" : "dis"); - intel_de_write(dev_priv, SOUTH_CHICKEN1, temp); - intel_de_posting_read(dev_priv, SOUTH_CHICKEN1); -} - -static void ivb_update_fdi_bc_bifurcation(const struct intel_crtc_state *crtc_state) -{ - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - - switch (crtc->pipe) { - case PIPE_A: - break; - case PIPE_B: - if (crtc_state->fdi_lanes > 2) - cpt_set_fdi_bc_bifurcation(dev_priv, false); - else - cpt_set_fdi_bc_bifurcation(dev_priv, true); - - break; - case PIPE_C: - cpt_set_fdi_bc_bifurcation(dev_priv, true); - - break; - default: - BUG(); - } -} - /* * Finds the encoder associated with the given CRTC. This can only be * used when we know that the CRTC isn't feeding multiple encoders! @@ -2547,16 +2011,8 @@ static void ilk_pch_enable(const struct intel_atomic_state *state, assert_pch_transcoder_disabled(dev_priv, pipe); - if (IS_IVYBRIDGE(dev_priv)) - ivb_update_fdi_bc_bifurcation(crtc_state); - - /* Write the TU size bits before fdi link training, so that error - * detection works. */ - intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe), - intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); - /* For PCH output, training FDI link */ - dev_priv->display.fdi_link_train(crtc, crtc_state); + intel_fdi_link_train(crtc, crtc_state); /* We need to program the right clock selection before writing the pixel * mutliplier into the DPLL. */ @@ -2584,7 +2040,7 @@ static void ilk_pch_enable(const struct intel_atomic_state *state, intel_enable_shared_dpll(crtc_state); /* set transcoder timing, panel must allow it */ - assert_panel_unlocked(dev_priv, pipe); + assert_pps_unlocked(dev_priv, pipe); ilk_pch_transcoder_set_timings(crtc_state, pipe); intel_fdi_normal_train(crtc); @@ -2842,6 +2298,19 @@ static bool needs_scalerclk_wa(const struct intel_crtc_state *crtc_state) return false; } +static bool needs_cursorclk_wa(const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); + + /* Wa_1604331009:icl,jsl,ehl */ + if (is_hdr_mode(crtc_state) && + crtc_state->active_planes & BIT(PLANE_CURSOR) && + DISPLAY_VER(dev_priv) == 11) + return true; + + return false; +} + static bool planes_enabling(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { @@ -2869,12 +2338,13 @@ static void intel_post_plane_update(struct intel_atomic_state *state, intel_frontbuffer_flip(dev_priv, new_crtc_state->fb_bits); if (new_crtc_state->update_wm_post && new_crtc_state->hw.active) - intel_update_watermarks(crtc); + intel_update_watermarks(dev_priv); if (hsw_post_update_enable_ips(old_crtc_state, new_crtc_state)) hsw_enable_ips(new_crtc_state); intel_fbc_post_update(state, crtc); + intel_drrs_page_flip(state, crtc); if (needs_nv12_wa(old_crtc_state) && !needs_nv12_wa(new_crtc_state)) @@ -2883,6 +2353,11 @@ static void intel_post_plane_update(struct intel_atomic_state *state, if (needs_scalerclk_wa(old_crtc_state) && !needs_scalerclk_wa(new_crtc_state)) icl_wa_scalerclkgating(dev_priv, pipe, false); + + if (needs_cursorclk_wa(old_crtc_state) && + !needs_cursorclk_wa(new_crtc_state)) + icl_wa_cursorclkgating(dev_priv, pipe, false); + } static void intel_crtc_enable_flip_done(struct intel_atomic_state *state, @@ -2979,6 +2454,11 @@ static void intel_pre_plane_update(struct intel_atomic_state *state, needs_scalerclk_wa(new_crtc_state)) icl_wa_scalerclkgating(dev_priv, pipe, true); + /* Wa_1604331009:icl,jsl,ehl */ + if (!needs_cursorclk_wa(old_crtc_state) && + needs_cursorclk_wa(new_crtc_state)) + icl_wa_cursorclkgating(dev_priv, pipe, true); + /* * Vblank time updates from the shadow to live plane control register * are blocked if the memory self-refresh mode is active at that @@ -3022,10 +2502,9 @@ static void intel_pre_plane_update(struct intel_atomic_state *state, * we'll continue to update watermarks the old way, if flags tell * us to. */ - if (dev_priv->display.initial_watermarks) - dev_priv->display.initial_watermarks(state, crtc); - else if (new_crtc_state->update_wm_pre) - intel_update_watermarks(crtc); + if (!intel_initial_watermarks(state, crtc)) + if (new_crtc_state->update_wm_pre) + intel_update_watermarks(dev_priv); } /* @@ -3360,9 +2839,6 @@ static void ilk_crtc_enable(struct intel_atomic_state *state, intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); - if (new_crtc_state->has_pch_encoder) - intel_prepare_shared_dpll(new_crtc_state); - if (intel_crtc_has_dp_encoder(new_crtc_state)) intel_dp_set_m_n(new_crtc_state, M1_N1); @@ -3400,9 +2876,8 @@ static void ilk_crtc_enable(struct intel_atomic_state *state, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(new_crtc_state); - if (dev_priv->display.initial_watermarks) - dev_priv->display.initial_watermarks(state, crtc); - intel_enable_pipe(new_crtc_state); + intel_initial_watermarks(state, crtc); + intel_enable_transcoder(new_crtc_state); if (new_crtc_state->has_pch_encoder) ilk_pch_enable(state, new_crtc_state); @@ -3578,10 +3053,9 @@ static void hsw_crtc_enable(struct intel_atomic_state *state, &new_crtc_state->fdi_m_n, NULL); hsw_set_frame_start_delay(new_crtc_state); - } - if (!transcoder_is_dsi(cpu_transcoder)) - hsw_set_pipeconf(new_crtc_state); + hsw_set_transconf(new_crtc_state); + } crtc->active = true; @@ -3611,8 +3085,7 @@ static void hsw_crtc_enable(struct intel_atomic_state *state, if (DISPLAY_VER(dev_priv) >= 11) icl_set_pipe_chicken(new_crtc_state); - if (dev_priv->display.initial_watermarks) - dev_priv->display.initial_watermarks(state, crtc); + intel_initial_watermarks(state, crtc); if (DISPLAY_VER(dev_priv) >= 11) { const struct intel_dbuf_state *dbuf_state = @@ -3676,7 +3149,7 @@ static void ilk_crtc_disable(struct intel_atomic_state *state, intel_crtc_vblank_off(old_crtc_state); - intel_disable_pipe(old_crtc_state); + intel_disable_transcoder(old_crtc_state); ilk_pfit_disable(old_crtc_state); @@ -3738,7 +3211,7 @@ static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state) */ drm_WARN_ON(&dev_priv->drm, intel_de_read(dev_priv, PFIT_CONTROL) & PFIT_ENABLE); - assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder); + assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder); intel_de_write(dev_priv, PFIT_PGM_RATIOS, crtc_state->gmch_pfit.pgm_ratios); @@ -3858,11 +3331,7 @@ enum intel_display_power_domain intel_port_to_power_domain(enum port port) enum intel_display_power_domain intel_aux_power_domain(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); - - if (intel_phy_is_tc(dev_priv, phy) && - dig_port->tc_mode == TC_PORT_TBT_ALT) { + if (intel_tc_port_in_tbt_alt_mode(dig_port)) { switch (dig_port->aux_ch) { case AUX_CH_C: return POWER_DOMAIN_AUX_C_TBT; @@ -3923,16 +3392,16 @@ static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; struct drm_encoder *encoder; enum pipe pipe = crtc->pipe; u64 mask; - enum transcoder transcoder = crtc_state->cpu_transcoder; if (!crtc_state->hw.active) return 0; mask = BIT_ULL(POWER_DOMAIN_PIPE(pipe)); - mask |= BIT_ULL(POWER_DOMAIN_TRANSCODER(transcoder)); + mask |= BIT_ULL(POWER_DOMAIN_TRANSCODER(cpu_transcoder)); if (crtc_state->pch_pfit.enabled || crtc_state->pch_pfit.force_thru) mask |= BIT_ULL(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); @@ -3951,7 +3420,7 @@ static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state) mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE); if (crtc_state->dsc.compression_enable) - mask |= BIT_ULL(intel_dsc_power_domain(crtc_state)); + mask |= BIT_ULL(intel_dsc_power_domain(crtc, cpu_transcoder)); return mask; } @@ -4015,13 +3484,10 @@ static void valleyview_crtc_enable(struct intel_atomic_state *state, intel_encoders_pre_pll_enable(state, crtc); - if (IS_CHERRYVIEW(dev_priv)) { - chv_prepare_pll(crtc, new_crtc_state); - chv_enable_pll(crtc, new_crtc_state); - } else { - vlv_prepare_pll(crtc, new_crtc_state); - vlv_enable_pll(crtc, new_crtc_state); - } + if (IS_CHERRYVIEW(dev_priv)) + chv_enable_pll(new_crtc_state); + else + vlv_enable_pll(new_crtc_state); intel_encoders_pre_enable(state, crtc); @@ -4032,25 +3498,14 @@ static void valleyview_crtc_enable(struct intel_atomic_state *state, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(new_crtc_state); - dev_priv->display.initial_watermarks(state, crtc); - intel_enable_pipe(new_crtc_state); + intel_initial_watermarks(state, crtc); + intel_enable_transcoder(new_crtc_state); intel_crtc_vblank_on(new_crtc_state); intel_encoders_enable(state, crtc); } -static void i9xx_set_pll_dividers(const struct intel_crtc_state *crtc_state) -{ - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - - intel_de_write(dev_priv, FP0(crtc->pipe), - crtc_state->dpll_hw_state.fp0); - intel_de_write(dev_priv, FP1(crtc->pipe), - crtc_state->dpll_hw_state.fp1); -} - static void i9xx_crtc_enable(struct intel_atomic_state *state, struct intel_crtc *crtc) { @@ -4062,8 +3517,6 @@ static void i9xx_crtc_enable(struct intel_atomic_state *state, if (drm_WARN_ON(&dev_priv->drm, crtc->active)) return; - i9xx_set_pll_dividers(new_crtc_state); - if (intel_crtc_has_dp_encoder(new_crtc_state)) intel_dp_set_m_n(new_crtc_state, M1_N1); @@ -4079,7 +3532,7 @@ static void i9xx_crtc_enable(struct intel_atomic_state *state, intel_encoders_pre_enable(state, crtc); - i9xx_enable_pll(crtc, new_crtc_state); + i9xx_enable_pll(new_crtc_state); i9xx_pfit_enable(new_crtc_state); @@ -4088,11 +3541,9 @@ static void i9xx_crtc_enable(struct intel_atomic_state *state, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(new_crtc_state); - if (dev_priv->display.initial_watermarks) - dev_priv->display.initial_watermarks(state, crtc); - else - intel_update_watermarks(crtc); - intel_enable_pipe(new_crtc_state); + if (!intel_initial_watermarks(state, crtc)) + intel_update_watermarks(dev_priv); + intel_enable_transcoder(new_crtc_state); intel_crtc_vblank_on(new_crtc_state); @@ -4111,7 +3562,7 @@ static void i9xx_pfit_disable(const struct intel_crtc_state *old_crtc_state) if (!old_crtc_state->gmch_pfit.control) return; - assert_pipe_disabled(dev_priv, old_crtc_state->cpu_transcoder); + assert_transcoder_disabled(dev_priv, old_crtc_state->cpu_transcoder); drm_dbg_kms(&dev_priv->drm, "disabling pfit, current: 0x%08x\n", intel_de_read(dev_priv, PFIT_CONTROL)); @@ -4137,7 +3588,7 @@ static void i9xx_crtc_disable(struct intel_atomic_state *state, intel_crtc_vblank_off(old_crtc_state); - intel_disable_pipe(old_crtc_state); + intel_disable_transcoder(old_crtc_state); i9xx_pfit_disable(old_crtc_state); @@ -4157,8 +3608,8 @@ static void i9xx_crtc_disable(struct intel_atomic_state *state, if (DISPLAY_VER(dev_priv) != 2) intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); - if (!dev_priv->display.initial_watermarks) - intel_update_watermarks(crtc); + if (!dev_priv->wm_disp->initial_watermarks) + intel_update_watermarks(dev_priv); /* clock the pipe down to 640x480@60 to potentially save power */ if (IS_I830(dev_priv)) @@ -4211,7 +3662,7 @@ static void intel_crtc_disable_noatomic(struct intel_crtc *crtc, drm_WARN_ON(&dev_priv->drm, IS_ERR(temp_crtc_state) || ret); - dev_priv->display.crtc_disable(to_intel_atomic_state(state), crtc); + dev_priv->display->crtc_disable(to_intel_atomic_state(state), crtc); drm_atomic_state_put(state); @@ -4234,12 +3685,11 @@ static void intel_crtc_disable_noatomic(struct intel_crtc *crtc, encoder->base.crtc = NULL; intel_fbc_disable(crtc); - intel_update_watermarks(crtc); + intel_update_watermarks(dev_priv); intel_disable_shared_dpll(crtc_state); intel_display_power_put_all_in_set(dev_priv, &crtc->enabled_power_domains); - dev_priv->active_pipes &= ~BIT(pipe); cdclk_state->min_cdclk[pipe] = 0; cdclk_state->min_voltage_level[pipe] = 0; cdclk_state->active_pipes &= ~BIT(pipe); @@ -4596,13 +4046,6 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc, } } - /* Cantiga+ cannot handle modes with a hsync front porch of 0. - * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. - */ - if ((DISPLAY_VER(dev_priv) > 4 || IS_G4X(dev_priv)) && - pipe_mode->crtc_hsync_start == pipe_mode->crtc_hdisplay) - return -EINVAL; - intel_crtc_compute_pixel_rate(pipe_config); if (pipe_config->has_pch_encoder) @@ -5412,102 +4855,6 @@ static void ilk_init_pch_refclk(struct drm_i915_private *dev_priv) BUG_ON(val != final); } -static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) -{ - u32 tmp; - - tmp = intel_de_read(dev_priv, SOUTH_CHICKEN2); - tmp |= FDI_MPHY_IOSFSB_RESET_CTL; - intel_de_write(dev_priv, SOUTH_CHICKEN2, tmp); - - if (wait_for_us(intel_de_read(dev_priv, SOUTH_CHICKEN2) & - FDI_MPHY_IOSFSB_RESET_STATUS, 100)) - drm_err(&dev_priv->drm, "FDI mPHY reset assert timeout\n"); - - tmp = intel_de_read(dev_priv, SOUTH_CHICKEN2); - tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; - intel_de_write(dev_priv, SOUTH_CHICKEN2, tmp); - - if (wait_for_us((intel_de_read(dev_priv, SOUTH_CHICKEN2) & - FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) - drm_err(&dev_priv->drm, "FDI mPHY reset de-assert timeout\n"); -} - -/* WaMPhyProgramming:hsw */ -static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) -{ - u32 tmp; - - tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); - tmp &= ~(0xFF << 24); - tmp |= (0x12 << 24); - intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); - tmp |= (1 << 11); - intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); - tmp |= (1 << 11); - intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); - tmp |= (1 << 24) | (1 << 21) | (1 << 18); - intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); - tmp |= (1 << 24) | (1 << 21) | (1 << 18); - intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); - tmp &= ~(7 << 13); - tmp |= (5 << 13); - intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); - tmp &= ~(7 << 13); - tmp |= (5 << 13); - intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); - tmp &= ~0xFF; - tmp |= 0x1C; - intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); - tmp &= ~0xFF; - tmp |= 0x1C; - intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); - tmp &= ~(0xFF << 16); - tmp |= (0x1C << 16); - intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); - tmp &= ~(0xFF << 16); - tmp |= (0x1C << 16); - intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); - tmp |= (1 << 27); - intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); - tmp |= (1 << 27); - intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); - tmp &= ~(0xF << 28); - tmp |= (4 << 28); - intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); - - tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); - tmp &= ~(0xF << 28); - tmp |= (4 << 28); - intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); -} - /* Implements 3 different sequences from BSpec chapter "Display iCLK * Programming" based on the parameters passed: * - Sequence to enable CLKOUT_DP @@ -5540,10 +4887,8 @@ static void lpt_enable_clkout_dp(struct drm_i915_private *dev_priv, tmp &= ~SBI_SSCCTL_PATHALT; intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); - if (with_fdi) { - lpt_reset_fdi_mphy(dev_priv); - lpt_program_fdi_mphy(dev_priv); - } + if (with_fdi) + lpt_fdi_program_mphy(dev_priv); } reg = HAS_PCH_LPT_LP(dev_priv) ? SBI_GEN0 : SBI_DBUFF0; @@ -5806,7 +5151,7 @@ static void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state) intel_de_posting_read(dev_priv, PIPECONF(pipe)); } -static void hsw_set_pipeconf(const struct intel_crtc_state *crtc_state) +static void hsw_set_transconf(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -5870,9 +5215,7 @@ static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state) val |= PIPEMISC_YUV420_ENABLE | PIPEMISC_YUV420_MODE_FULL_BLEND; - if (DISPLAY_VER(dev_priv) >= 11 && - (crtc_state->active_planes & ~(icl_hdr_plane_mask() | - BIT(PLANE_CURSOR))) == 0) + if (DISPLAY_VER(dev_priv) >= 11 && is_hdr_mode(crtc_state)) val |= PIPEMISC_HDR_MODE_PRECISION; if (DISPLAY_VER(dev_priv) >= 12) @@ -6211,59 +5554,64 @@ out: return ret; } -static bool hsw_get_transcoder_state(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config, - struct intel_display_power_domain_set *power_domain_set) +static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder) { - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - unsigned long panel_transcoder_mask = BIT(TRANSCODER_EDP); - unsigned long enabled_panel_transcoders = 0; - enum transcoder panel_transcoder; - u32 tmp; + enum intel_display_power_domain power_domain; + intel_wakeref_t wakeref; + u32 tmp = 0; - if (DISPLAY_VER(dev_priv) >= 11) - panel_transcoder_mask |= - BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1); + power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); - /* - * The pipe->transcoder mapping is fixed with the exception of the eDP - * and DSI transcoders handled below. - */ - pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; + with_intel_display_power_if_enabled(dev_priv, power_domain, wakeref) + tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); + + return tmp & TRANS_DDI_FUNC_ENABLE; +} + +static u8 hsw_panel_transcoders(struct drm_i915_private *i915) +{ + u8 panel_transcoder_mask = BIT(TRANSCODER_EDP); + + if (DISPLAY_VER(i915) >= 11) + panel_transcoder_mask |= BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1); + + return panel_transcoder_mask; +} + +static u8 hsw_enabled_transcoders(struct intel_crtc *crtc) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); + u8 panel_transcoder_mask = hsw_panel_transcoders(dev_priv); + enum transcoder cpu_transcoder; + u8 enabled_transcoders = 0; /* * XXX: Do intel_display_power_get_if_enabled before reading this (for * consistency and less surprising code; it's in always on power). */ - for_each_cpu_transcoder_masked(dev_priv, panel_transcoder, + for_each_cpu_transcoder_masked(dev_priv, cpu_transcoder, panel_transcoder_mask) { - bool force_thru = false; + enum intel_display_power_domain power_domain; + intel_wakeref_t wakeref; enum pipe trans_pipe; + u32 tmp = 0; - tmp = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(panel_transcoder)); - if (!(tmp & TRANS_DDI_FUNC_ENABLE)) - continue; + power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); + with_intel_display_power_if_enabled(dev_priv, power_domain, wakeref) + tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); - /* - * Log all enabled ones, only use the first one. - * - * FIXME: This won't work for two separate DSI displays. - */ - enabled_panel_transcoders |= BIT(panel_transcoder); - if (enabled_panel_transcoders != BIT(panel_transcoder)) + if (!(tmp & TRANS_DDI_FUNC_ENABLE)) continue; switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { default: drm_WARN(dev, 1, "unknown pipe linked to transcoder %s\n", - transcoder_name(panel_transcoder)); + transcoder_name(cpu_transcoder)); fallthrough; case TRANS_DDI_EDP_INPUT_A_ONOFF: - force_thru = true; - fallthrough; case TRANS_DDI_EDP_INPUT_A_ON: trans_pipe = PIPE_A; break; @@ -6278,22 +5626,83 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc, break; } - if (trans_pipe == crtc->pipe) { - pipe_config->cpu_transcoder = panel_transcoder; - pipe_config->pch_pfit.force_thru = force_thru; - } + if (trans_pipe == crtc->pipe) + enabled_transcoders |= BIT(cpu_transcoder); } + cpu_transcoder = (enum transcoder) crtc->pipe; + if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder)) + enabled_transcoders |= BIT(cpu_transcoder); + + return enabled_transcoders; +} + +static bool has_edp_transcoders(u8 enabled_transcoders) +{ + return enabled_transcoders & BIT(TRANSCODER_EDP); +} + +static bool has_dsi_transcoders(u8 enabled_transcoders) +{ + return enabled_transcoders & (BIT(TRANSCODER_DSI_0) | + BIT(TRANSCODER_DSI_1)); +} + +static bool has_pipe_transcoders(u8 enabled_transcoders) +{ + return enabled_transcoders & ~(BIT(TRANSCODER_EDP) | + BIT(TRANSCODER_DSI_0) | + BIT(TRANSCODER_DSI_1)); +} + +static void assert_enabled_transcoders(struct drm_i915_private *i915, + u8 enabled_transcoders) +{ + /* Only one type of transcoder please */ + drm_WARN_ON(&i915->drm, + has_edp_transcoders(enabled_transcoders) + + has_dsi_transcoders(enabled_transcoders) + + has_pipe_transcoders(enabled_transcoders) > 1); + + /* Only DSI transcoders can be ganged */ + drm_WARN_ON(&i915->drm, + !has_dsi_transcoders(enabled_transcoders) && + !is_power_of_2(enabled_transcoders)); +} + +static bool hsw_get_transcoder_state(struct intel_crtc *crtc, + struct intel_crtc_state *pipe_config, + struct intel_display_power_domain_set *power_domain_set) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); + unsigned long enabled_transcoders; + u32 tmp; + + enabled_transcoders = hsw_enabled_transcoders(crtc); + if (!enabled_transcoders) + return false; + + assert_enabled_transcoders(dev_priv, enabled_transcoders); + /* - * Valid combos: none, eDP, DSI0, DSI1, DSI0+DSI1 + * With the exception of DSI we should only ever have + * a single enabled transcoder. With DSI let's just + * pick the first one. */ - drm_WARN_ON(dev, (enabled_panel_transcoders & BIT(TRANSCODER_EDP)) && - enabled_panel_transcoders != BIT(TRANSCODER_EDP)); + pipe_config->cpu_transcoder = ffs(enabled_transcoders) - 1; if (!intel_display_power_get_in_set_if_enabled(dev_priv, power_domain_set, POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) return false; + if (hsw_panel_transcoders(dev_priv) & BIT(pipe_config->cpu_transcoder)) { + tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); + + if ((tmp & TRANS_DDI_EDP_INPUT_MASK) == TRANS_DDI_EDP_INPUT_A_ONOFF) + pipe_config->pch_pfit.force_thru = true; + } + tmp = intel_de_read(dev_priv, PIPECONF(pipe_config->cpu_transcoder)); return tmp & PIPECONF_ENABLE; @@ -6515,7 +5924,7 @@ static bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state) struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *i915 = to_i915(crtc->base.dev); - if (!i915->display.get_pipe_config(crtc, crtc_state)) + if (!i915->display->get_pipe_config(crtc, crtc_state)) return false; crtc_state->hw.active = true; @@ -6531,28 +5940,6 @@ static const struct drm_display_mode load_detect_mode = { 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), }; -struct drm_framebuffer * -intel_framebuffer_create(struct drm_i915_gem_object *obj, - struct drm_mode_fb_cmd2 *mode_cmd) -{ - struct intel_framebuffer *intel_fb; - int ret; - - intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); - if (!intel_fb) - return ERR_PTR(-ENOMEM); - - ret = intel_framebuffer_init(intel_fb, obj, mode_cmd); - if (ret) - goto err; - - return &intel_fb->base; - -err: - kfree(intel_fb); - return ERR_PTR(ret); -} - static int intel_modeset_disable_planes(struct drm_atomic_state *state, struct drm_crtc *crtc) { @@ -6780,7 +6167,6 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - enum pipe pipe = crtc->pipe; u32 dpll = pipe_config->dpll_hw_state.dpll; u32 fp; struct dpll clock; @@ -6830,11 +6216,13 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc, else port_clock = i9xx_calc_dpll_params(refclk, &clock); } else { - u32 lvds = IS_I830(dev_priv) ? 0 : intel_de_read(dev_priv, - LVDS); - bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); + enum pipe lvds_pipe; + + if (IS_I85X(dev_priv) && + intel_lvds_port_enabled(dev_priv, LVDS, &lvds_pipe) && + lvds_pipe == crtc->pipe) { + u32 lvds = intel_de_read(dev_priv, LVDS); - if (is_lvds) { clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> DPLL_FPA01_P1_POST_DIV_SHIFT); @@ -6985,27 +6373,27 @@ static bool needs_scaling(const struct intel_plane_state *state) } int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state, - struct intel_crtc_state *crtc_state, + struct intel_crtc_state *new_crtc_state, const struct intel_plane_state *old_plane_state, - struct intel_plane_state *plane_state) + struct intel_plane_state *new_plane_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane); + struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc); + struct intel_plane *plane = to_intel_plane(new_plane_state->uapi.plane); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - bool mode_changed = intel_crtc_needs_modeset(crtc_state); + bool mode_changed = intel_crtc_needs_modeset(new_crtc_state); bool was_crtc_enabled = old_crtc_state->hw.active; - bool is_crtc_enabled = crtc_state->hw.active; + bool is_crtc_enabled = new_crtc_state->hw.active; bool turn_off, turn_on, visible, was_visible; int ret; if (DISPLAY_VER(dev_priv) >= 9 && plane->id != PLANE_CURSOR) { - ret = skl_update_scaler_plane(crtc_state, plane_state); + ret = skl_update_scaler_plane(new_crtc_state, new_plane_state); if (ret) return ret; } was_visible = old_plane_state->uapi.visible; - visible = plane_state->uapi.visible; + visible = new_plane_state->uapi.visible; if (!was_crtc_enabled && drm_WARN_ON(&dev_priv->drm, was_visible)) was_visible = false; @@ -7021,7 +6409,7 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat * only combine the results from all planes in the current place? */ if (!is_crtc_enabled) { - intel_plane_set_invisible(crtc_state, plane_state); + intel_plane_set_invisible(new_crtc_state, new_plane_state); visible = false; } @@ -7040,28 +6428,28 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat if (turn_on) { if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) - crtc_state->update_wm_pre = true; + new_crtc_state->update_wm_pre = true; /* must disable cxsr around plane enable/disable */ if (plane->id != PLANE_CURSOR) - crtc_state->disable_cxsr = true; + new_crtc_state->disable_cxsr = true; } else if (turn_off) { if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) - crtc_state->update_wm_post = true; + new_crtc_state->update_wm_post = true; /* must disable cxsr around plane enable/disable */ if (plane->id != PLANE_CURSOR) - crtc_state->disable_cxsr = true; - } else if (intel_wm_need_update(old_plane_state, plane_state)) { + new_crtc_state->disable_cxsr = true; + } else if (intel_wm_need_update(old_plane_state, new_plane_state)) { if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) { /* FIXME bollocks */ - crtc_state->update_wm_pre = true; - crtc_state->update_wm_post = true; + new_crtc_state->update_wm_pre = true; + new_crtc_state->update_wm_post = true; } } if (visible || was_visible) - crtc_state->fb_bits |= plane->frontbuffer_bit; + new_crtc_state->fb_bits |= plane->frontbuffer_bit; /* * ILK/SNB DVSACNTR/Sprite Enable @@ -7100,8 +6488,8 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat (IS_IRONLAKE(dev_priv) || IS_SANDYBRIDGE(dev_priv) || IS_IVYBRIDGE(dev_priv)) && (turn_on || (!needs_scaling(old_plane_state) && - needs_scaling(plane_state)))) - crtc_state->disable_lp_wm = true; + needs_scaling(new_plane_state)))) + new_crtc_state->disable_lp_wm = true; return 0; } @@ -7363,10 +6751,10 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, crtc_state->update_wm_post = true; if (mode_changed && crtc_state->hw.enable && - dev_priv->display.crtc_compute_clock && + dev_priv->dpll_funcs && !crtc_state->bigjoiner_slave && !drm_WARN_ON(&dev_priv->drm, crtc_state->shared_dpll)) { - ret = dev_priv->display.crtc_compute_clock(crtc, crtc_state); + ret = dev_priv->dpll_funcs->crtc_compute_clock(crtc_state); if (ret) return ret; } @@ -7385,32 +6773,23 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, return ret; } - if (dev_priv->display.compute_pipe_wm) { - ret = dev_priv->display.compute_pipe_wm(state, crtc); - if (ret) { - drm_dbg_kms(&dev_priv->drm, - "Target pipe watermarks are invalid\n"); - return ret; - } - + ret = intel_compute_pipe_wm(state, crtc); + if (ret) { + drm_dbg_kms(&dev_priv->drm, + "Target pipe watermarks are invalid\n"); + return ret; } - if (dev_priv->display.compute_intermediate_wm) { - if (drm_WARN_ON(&dev_priv->drm, - !dev_priv->display.compute_pipe_wm)) - return 0; - - /* - * Calculate 'intermediate' watermarks that satisfy both the - * old state and the new state. We can program these - * immediately. - */ - ret = dev_priv->display.compute_intermediate_wm(state, crtc); - if (ret) { - drm_dbg_kms(&dev_priv->drm, - "No valid intermediate pipe watermarks are possible\n"); - return ret; - } + /* + * Calculate 'intermediate' watermarks that satisfy both the + * old state and the new state. We can program these + * immediately. + */ + ret = intel_compute_intermediate_wm(state, crtc); + if (ret) { + drm_dbg_kms(&dev_priv->drm, + "No valid intermediate pipe watermarks are possible\n"); + return ret; } if (DISPLAY_VER(dev_priv) >= 9) { @@ -7439,11 +6818,9 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, } - if (!mode_changed) { - ret = intel_psr2_sel_fetch_update(state, crtc); - if (ret) - return ret; - } + ret = intel_psr2_sel_fetch_update(state, crtc); + if (ret) + return ret; return 0; } @@ -8153,11 +7530,10 @@ encoder_retry: ret = encoder->compute_config(encoder, pipe_config, connector_state); + if (ret == -EDEADLK) + return ret; if (ret < 0) { - if (ret != -EDEADLK) - drm_dbg_kms(&i915->drm, - "Encoder config failure: %d\n", - ret); + drm_dbg_kms(&i915->drm, "Encoder config failure: %d\n", ret); return ret; } } @@ -8171,12 +7547,7 @@ encoder_retry: ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); if (ret == -EDEADLK) return ret; - if (ret < 0) { - drm_dbg_kms(&i915->drm, "CRTC fixup failed\n"); - return ret; - } - - if (ret == I915_DISPLAY_CONFIG_RETRY) { + if (ret == -EAGAIN) { if (drm_WARN(&i915->drm, !retry, "loop in pipe configuration computation\n")) return -EINVAL; @@ -8185,6 +7556,10 @@ encoder_retry: retry = false; goto encoder_retry; } + if (ret < 0) { + drm_dbg_kms(&i915->drm, "CRTC config failure: %d\n", ret); + return ret; + } /* Dithering seems to not pass-through bits correctly when it should, so * only enable it on 6bpc panels and when its not a compliance @@ -8720,10 +8095,12 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, if (bp_gamma) PIPE_CONF_CHECK_COLOR_LUT(gamma_mode, hw.gamma_lut, bp_gamma); - PIPE_CONF_CHECK_BOOL(has_psr); - PIPE_CONF_CHECK_BOOL(has_psr2); - PIPE_CONF_CHECK_BOOL(enable_psr2_sel_fetch); - PIPE_CONF_CHECK_I(dc3co_exitline); + if (current_config->active_planes) { + PIPE_CONF_CHECK_BOOL(has_psr); + PIPE_CONF_CHECK_BOOL(has_psr2); + PIPE_CONF_CHECK_BOOL(enable_psr2_sel_fetch); + PIPE_CONF_CHECK_I(dc3co_exitline); + } } PIPE_CONF_CHECK_BOOL(double_wide); @@ -8780,7 +8157,7 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, PIPE_CONF_CHECK_I(min_voltage_level); } - if (fastset && (current_config->has_psr || pipe_config->has_psr)) + if (current_config->has_psr || pipe_config->has_psr) PIPE_CONF_CHECK_X_WITH_MASK(infoframes.enable, ~intel_hdmi_infoframe_enable(DP_SDP_VSC)); else @@ -9402,7 +8779,7 @@ static void intel_modeset_clear_plls(struct intel_atomic_state *state) struct intel_crtc *crtc; int i; - if (!dev_priv->display.crtc_compute_clock) + if (!dev_priv->dpll_funcs) return; for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { @@ -9503,23 +8880,6 @@ static int intel_modeset_checks(struct intel_atomic_state *state) return 0; } -/* - * Handle calculation of various watermark data at the end of the atomic check - * phase. The code here should be run after the per-crtc and per-plane 'check' - * handlers to ensure that all derived state has been updated. - */ -static int calc_watermark_data(struct intel_atomic_state *state) -{ - struct drm_device *dev = state->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - - /* Is there platform-specific watermark information to calculate? */ - if (dev_priv->display.compute_global_watermarks) - return dev_priv->display.compute_global_watermarks(state); - - return 0; -} - static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_state, struct intel_crtc_state *new_crtc_state) { @@ -9715,7 +9075,7 @@ static int intel_atomic_check_cdclk(struct intel_atomic_state *state, old_cdclk_state->force_min_cdclk != new_cdclk_state->force_min_cdclk) *need_cdclk_calc = true; - ret = dev_priv->display.bw_calc_min_cdclk(state); + ret = intel_cdclk_bw_calc_min_cdclk(state); if (ret) return ret; @@ -10166,7 +9526,7 @@ static int intel_atomic_check(struct drm_device *dev, goto fail; intel_fbc_choose_crtc(dev_priv, state); - ret = calc_watermark_data(state); + ret = intel_compute_global_watermarks(state); if (ret) goto fail; @@ -10336,12 +9696,11 @@ static void commit_pipe_pre_planes(struct intel_atomic_state *state, if (new_crtc_state->update_pipe) intel_pipe_fastset(old_crtc_state, new_crtc_state); - - intel_psr2_program_trans_man_trk_ctl(new_crtc_state); } - if (dev_priv->display.atomic_update_watermarks) - dev_priv->display.atomic_update_watermarks(state, crtc); + intel_psr2_program_trans_man_trk_ctl(new_crtc_state); + + intel_atomic_update_watermarks(state, crtc); } static void commit_pipe_post_planes(struct intel_atomic_state *state, @@ -10373,7 +9732,7 @@ static void intel_enable_crtc(struct intel_atomic_state *state, intel_crtc_update_active_timings(new_crtc_state); - dev_priv->display.crtc_enable(state, crtc); + dev_priv->display->crtc_enable(state, crtc); if (new_crtc_state->bigjoiner_slave) return; @@ -10404,10 +9763,7 @@ static void intel_update_crtc(struct intel_atomic_state *state, intel_encoders_update_pipe(state, crtc); } - if (new_crtc_state->update_pipe && !new_crtc_state->enable_fbc) - intel_fbc_disable(crtc); - else - intel_fbc_enable(state, crtc); + intel_fbc_update(state, crtc); /* Perform vblank evasion around commit operation */ intel_pipe_update_start(new_crtc_state); @@ -10464,16 +9820,15 @@ static void intel_old_crtc_state_disables(struct intel_atomic_state *state, */ intel_crtc_disable_pipe_crc(crtc); - dev_priv->display.crtc_disable(state, crtc); + dev_priv->display->crtc_disable(state, crtc); crtc->active = false; intel_fbc_disable(crtc); intel_disable_shared_dpll(old_crtc_state); /* FIXME unify this for all platforms */ if (!new_crtc_state->hw.active && - !HAS_GMCH(dev_priv) && - dev_priv->display.initial_watermarks) - dev_priv->display.initial_watermarks(state, crtc); + !HAS_GMCH(dev_priv)) + intel_initial_watermarks(state, crtc); } static void intel_commit_modeset_disables(struct intel_atomic_state *state) @@ -10837,6 +10192,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) intel_encoders_update_prepare(state); intel_dbuf_pre_plane_update(state); + intel_psr_pre_plane_update(state); for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { if (new_crtc_state->uapi.async_flip) @@ -10844,7 +10200,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) } /* Now enable the clocks, plane, pipe, and connectors that we set up. */ - dev_priv->display.commit_modeset_enables(state); + dev_priv->display->commit_modeset_enables(state); if (state->modeset) { intel_encoders_update_complete(state); @@ -10895,11 +10251,11 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) if (DISPLAY_VER(dev_priv) == 2 && planes_enabling(old_crtc_state, new_crtc_state)) intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true); - if (dev_priv->display.optimize_watermarks) - dev_priv->display.optimize_watermarks(state, crtc); + intel_optimize_watermarks(state, crtc); } intel_dbuf_post_plane_update(state); + intel_psr_post_plane_update(state); for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { intel_post_plane_update(state, crtc); @@ -11287,7 +10643,6 @@ intel_prepare_plane_fb(struct drm_plane *_plane, return ret; i915_gem_object_wait_priority(obj, 0, &attr); - i915_gem_object_flush_frontbuffer(obj, ORIGIN_DIRTYFB); if (!new_plane_state->uapi.fence) { /* implicit fencing */ struct dma_fence *fence; @@ -11491,6 +10846,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) intel_ddi_init(dev_priv, PORT_TC2); intel_ddi_init(dev_priv, PORT_TC3); intel_ddi_init(dev_priv, PORT_TC4); + icl_dsi_init(dev_priv); } else if (IS_ALDERLAKE_S(dev_priv)) { intel_ddi_init(dev_priv, PORT_A); intel_ddi_init(dev_priv, PORT_TC1); @@ -11708,249 +11064,6 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) drm_helper_move_panel_connectors_to_head(&dev_priv->drm); } -static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) -{ - struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); - - drm_framebuffer_cleanup(fb); - - if (intel_fb_uses_dpt(fb)) - intel_dpt_destroy(intel_fb->dpt_vm); - - intel_frontbuffer_put(intel_fb->frontbuffer); - - kfree(intel_fb); -} - -static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, - struct drm_file *file, - unsigned int *handle) -{ - struct drm_i915_gem_object *obj = intel_fb_obj(fb); - struct drm_i915_private *i915 = to_i915(obj->base.dev); - - if (i915_gem_object_is_userptr(obj)) { - drm_dbg(&i915->drm, - "attempting to use a userptr for a framebuffer, denied\n"); - return -EINVAL; - } - - return drm_gem_handle_create(file, &obj->base, handle); -} - -static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb, - struct drm_file *file, - unsigned flags, unsigned color, - struct drm_clip_rect *clips, - unsigned num_clips) -{ - struct drm_i915_gem_object *obj = intel_fb_obj(fb); - - i915_gem_object_flush_if_display(obj); - intel_frontbuffer_flush(to_intel_frontbuffer(fb), ORIGIN_DIRTYFB); - - return 0; -} - -static const struct drm_framebuffer_funcs intel_fb_funcs = { - .destroy = intel_user_framebuffer_destroy, - .create_handle = intel_user_framebuffer_create_handle, - .dirty = intel_user_framebuffer_dirty, -}; - -static int intel_framebuffer_init(struct intel_framebuffer *intel_fb, - struct drm_i915_gem_object *obj, - struct drm_mode_fb_cmd2 *mode_cmd) -{ - struct drm_i915_private *dev_priv = to_i915(obj->base.dev); - struct drm_framebuffer *fb = &intel_fb->base; - u32 max_stride; - unsigned int tiling, stride; - int ret = -EINVAL; - int i; - - intel_fb->frontbuffer = intel_frontbuffer_get(obj); - if (!intel_fb->frontbuffer) - return -ENOMEM; - - i915_gem_object_lock(obj, NULL); - tiling = i915_gem_object_get_tiling(obj); - stride = i915_gem_object_get_stride(obj); - i915_gem_object_unlock(obj); - - if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { - /* - * If there's a fence, enforce that - * the fb modifier and tiling mode match. - */ - if (tiling != I915_TILING_NONE && - tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) { - drm_dbg_kms(&dev_priv->drm, - "tiling_mode doesn't match fb modifier\n"); - goto err; - } - } else { - if (tiling == I915_TILING_X) { - mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; - } else if (tiling == I915_TILING_Y) { - drm_dbg_kms(&dev_priv->drm, - "No Y tiling for legacy addfb\n"); - goto err; - } - } - - if (!drm_any_plane_has_format(&dev_priv->drm, - mode_cmd->pixel_format, - mode_cmd->modifier[0])) { - drm_dbg_kms(&dev_priv->drm, - "unsupported pixel format %p4cc / modifier 0x%llx\n", - &mode_cmd->pixel_format, mode_cmd->modifier[0]); - goto err; - } - - /* - * gen2/3 display engine uses the fence if present, - * so the tiling mode must match the fb modifier exactly. - */ - if (DISPLAY_VER(dev_priv) < 4 && - tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) { - drm_dbg_kms(&dev_priv->drm, - "tiling_mode must match fb modifier exactly on gen2/3\n"); - goto err; - } - - max_stride = intel_fb_max_stride(dev_priv, mode_cmd->pixel_format, - mode_cmd->modifier[0]); - if (mode_cmd->pitches[0] > max_stride) { - drm_dbg_kms(&dev_priv->drm, - "%s pitch (%u) must be at most %d\n", - mode_cmd->modifier[0] != DRM_FORMAT_MOD_LINEAR ? - "tiled" : "linear", - mode_cmd->pitches[0], max_stride); - goto err; - } - - /* - * If there's a fence, enforce that - * the fb pitch and fence stride match. - */ - if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) { - drm_dbg_kms(&dev_priv->drm, - "pitch (%d) must match tiling stride (%d)\n", - mode_cmd->pitches[0], stride); - goto err; - } - - /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ - if (mode_cmd->offsets[0] != 0) { - drm_dbg_kms(&dev_priv->drm, - "plane 0 offset (0x%08x) must be 0\n", - mode_cmd->offsets[0]); - goto err; - } - - drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd); - - for (i = 0; i < fb->format->num_planes; i++) { - u32 stride_alignment; - - if (mode_cmd->handles[i] != mode_cmd->handles[0]) { - drm_dbg_kms(&dev_priv->drm, "bad plane %d handle\n", - i); - goto err; - } - - stride_alignment = intel_fb_stride_alignment(fb, i); - if (fb->pitches[i] & (stride_alignment - 1)) { - drm_dbg_kms(&dev_priv->drm, - "plane %d pitch (%d) must be at least %u byte aligned\n", - i, fb->pitches[i], stride_alignment); - goto err; - } - - if (is_gen12_ccs_plane(fb, i) && !is_gen12_ccs_cc_plane(fb, i)) { - int ccs_aux_stride = gen12_ccs_aux_stride(fb, i); - - if (fb->pitches[i] != ccs_aux_stride) { - drm_dbg_kms(&dev_priv->drm, - "ccs aux plane %d pitch (%d) must be %d\n", - i, - fb->pitches[i], ccs_aux_stride); - goto err; - } - } - - /* TODO: Add POT stride remapping support for CCS formats as well. */ - if (IS_ALDERLAKE_P(dev_priv) && - mode_cmd->modifier[i] != DRM_FORMAT_MOD_LINEAR && - !intel_fb_needs_pot_stride_remap(intel_fb) && - !is_power_of_2(mode_cmd->pitches[i])) { - drm_dbg_kms(&dev_priv->drm, - "plane %d pitch (%d) must be power of two for tiled buffers\n", - i, mode_cmd->pitches[i]); - goto err; - } - - fb->obj[i] = &obj->base; - } - - ret = intel_fill_fb_info(dev_priv, intel_fb); - if (ret) - goto err; - - if (intel_fb_uses_dpt(fb)) { - struct i915_address_space *vm; - - vm = intel_dpt_create(intel_fb); - if (IS_ERR(vm)) { - ret = PTR_ERR(vm); - goto err; - } - - intel_fb->dpt_vm = vm; - } - - ret = drm_framebuffer_init(&dev_priv->drm, fb, &intel_fb_funcs); - if (ret) { - drm_err(&dev_priv->drm, "framebuffer init failed %d\n", ret); - goto err; - } - - return 0; - -err: - intel_frontbuffer_put(intel_fb->frontbuffer); - return ret; -} - -static struct drm_framebuffer * -intel_user_framebuffer_create(struct drm_device *dev, - struct drm_file *filp, - const struct drm_mode_fb_cmd2 *user_mode_cmd) -{ - struct drm_framebuffer *fb; - struct drm_i915_gem_object *obj; - struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd; - struct drm_i915_private *i915; - - obj = i915_gem_object_lookup(filp, mode_cmd.handles[0]); - if (!obj) - return ERR_PTR(-ENOENT); - - /* object is backed with LMEM for discrete */ - i915 = to_i915(obj->base.dev); - if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM)) { - /* object is "remote", not in local memory */ - i915_gem_object_put(obj); - return ERR_PTR(-EREMOTE); - } - - fb = intel_framebuffer_create(obj, &mode_cmd); - i915_gem_object_put(obj); - - return fb; -} - static enum drm_mode_status intel_mode_valid(struct drm_device *dev, const struct drm_display_mode *mode) @@ -12039,6 +11152,14 @@ intel_mode_valid(struct drm_device *dev, return MODE_V_ILLEGAL; } + /* + * Cantiga+ cannot handle modes with a hsync front porch of 0. + * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. + */ + if ((DISPLAY_VER(dev_priv) > 4 || IS_G4X(dev_priv)) && + mode->hsync_start == mode->hdisplay) + return MODE_H_ILLEGAL; + return MODE_OK; } @@ -12090,6 +11211,46 @@ static const struct drm_mode_config_funcs intel_mode_funcs = { .atomic_state_free = intel_atomic_state_free, }; +static const struct drm_i915_display_funcs skl_display_funcs = { + .get_pipe_config = hsw_get_pipe_config, + .crtc_enable = hsw_crtc_enable, + .crtc_disable = hsw_crtc_disable, + .commit_modeset_enables = skl_commit_modeset_enables, + .get_initial_plane_config = skl_get_initial_plane_config, +}; + +static const struct drm_i915_display_funcs ddi_display_funcs = { + .get_pipe_config = hsw_get_pipe_config, + .crtc_enable = hsw_crtc_enable, + .crtc_disable = hsw_crtc_disable, + .commit_modeset_enables = intel_commit_modeset_enables, + .get_initial_plane_config = i9xx_get_initial_plane_config, +}; + +static const struct drm_i915_display_funcs pch_split_display_funcs = { + .get_pipe_config = ilk_get_pipe_config, + .crtc_enable = ilk_crtc_enable, + .crtc_disable = ilk_crtc_disable, + .commit_modeset_enables = intel_commit_modeset_enables, + .get_initial_plane_config = i9xx_get_initial_plane_config, +}; + +static const struct drm_i915_display_funcs vlv_display_funcs = { + .get_pipe_config = i9xx_get_pipe_config, + .crtc_enable = valleyview_crtc_enable, + .crtc_disable = i9xx_crtc_disable, + .commit_modeset_enables = intel_commit_modeset_enables, + .get_initial_plane_config = i9xx_get_initial_plane_config, +}; + +static const struct drm_i915_display_funcs i9xx_display_funcs = { + .get_pipe_config = i9xx_get_pipe_config, + .crtc_enable = i9xx_crtc_enable, + .crtc_disable = i9xx_crtc_disable, + .commit_modeset_enables = intel_commit_modeset_enables, + .get_initial_plane_config = i9xx_get_initial_plane_config, +}; + /** * intel_init_display_hooks - initialize the display modesetting hooks * @dev_priv: device private @@ -12105,38 +11266,19 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv) intel_dpll_init_clock_hook(dev_priv); if (DISPLAY_VER(dev_priv) >= 9) { - dev_priv->display.get_pipe_config = hsw_get_pipe_config; - dev_priv->display.crtc_enable = hsw_crtc_enable; - dev_priv->display.crtc_disable = hsw_crtc_disable; + dev_priv->display = &skl_display_funcs; } else if (HAS_DDI(dev_priv)) { - dev_priv->display.get_pipe_config = hsw_get_pipe_config; - dev_priv->display.crtc_enable = hsw_crtc_enable; - dev_priv->display.crtc_disable = hsw_crtc_disable; + dev_priv->display = &ddi_display_funcs; } else if (HAS_PCH_SPLIT(dev_priv)) { - dev_priv->display.get_pipe_config = ilk_get_pipe_config; - dev_priv->display.crtc_enable = ilk_crtc_enable; - dev_priv->display.crtc_disable = ilk_crtc_disable; + dev_priv->display = &pch_split_display_funcs; } else if (IS_CHERRYVIEW(dev_priv) || IS_VALLEYVIEW(dev_priv)) { - dev_priv->display.get_pipe_config = i9xx_get_pipe_config; - dev_priv->display.crtc_enable = valleyview_crtc_enable; - dev_priv->display.crtc_disable = i9xx_crtc_disable; + dev_priv->display = &vlv_display_funcs; } else { - dev_priv->display.get_pipe_config = i9xx_get_pipe_config; - dev_priv->display.crtc_enable = i9xx_crtc_enable; - dev_priv->display.crtc_disable = i9xx_crtc_disable; + dev_priv->display = &i9xx_display_funcs; } intel_fdi_init_hook(dev_priv); - - if (DISPLAY_VER(dev_priv) >= 9) { - dev_priv->display.commit_modeset_enables = skl_commit_modeset_enables; - dev_priv->display.get_initial_plane_config = skl_get_initial_plane_config; - } else { - dev_priv->display.commit_modeset_enables = intel_commit_modeset_enables; - dev_priv->display.get_initial_plane_config = i9xx_get_initial_plane_config; - } - } void intel_modeset_init_hw(struct drm_i915_private *i915) @@ -12206,7 +11348,7 @@ static void sanitize_watermarks(struct drm_i915_private *dev_priv) int i; /* Only supported on platforms that use atomic watermark design */ - if (!dev_priv->display.optimize_watermarks) + if (!dev_priv->wm_disp->optimize_watermarks) return; state = drm_atomic_state_alloc(&dev_priv->drm); @@ -12239,7 +11381,7 @@ retry: /* Write calculated watermark values back */ for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) { crtc_state->wm.need_postvbl_update = true; - dev_priv->display.optimize_watermarks(intel_state, crtc); + intel_optimize_watermarks(intel_state, crtc); to_intel_crtc_state(crtc->base.state)->wm = crtc_state->wm; } @@ -12271,22 +11413,6 @@ fail: drm_modeset_acquire_fini(&ctx); } -static void intel_update_fdi_pll_freq(struct drm_i915_private *dev_priv) -{ - if (IS_IRONLAKE(dev_priv)) { - u32 fdi_pll_clk = - intel_de_read(dev_priv, FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK; - - dev_priv->fdi_pll_freq = (fdi_pll_clk + 2) * 10000; - } else if (IS_SANDYBRIDGE(dev_priv) || IS_IVYBRIDGE(dev_priv)) { - dev_priv->fdi_pll_freq = 270000; - } else { - return; - } - - drm_dbg(&dev_priv->drm, "FDI PLL freq=%d\n", dev_priv->fdi_pll_freq); -} - static int intel_initial_commit(struct drm_device *dev) { struct drm_atomic_state *state = NULL; @@ -12381,7 +11507,7 @@ static void intel_mode_config_init(struct drm_i915_private *i915) mode_config->funcs = &intel_mode_funcs; - mode_config->async_page_flip = has_async_flips(i915); + mode_config->async_page_flip = HAS_ASYNC_FLIPS(i915); /* * Maximum framebuffer dimensions, chosen to match @@ -12540,7 +11666,7 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) intel_plane_possible_crtcs_init(i915); intel_shared_dpll_init(dev); - intel_update_fdi_pll_freq(i915); + intel_fdi_pll_freq_update(i915); intel_update_czclk(i915); intel_modeset_init_hw(i915); @@ -12564,6 +11690,7 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) drm_modeset_lock_all(dev); intel_modeset_setup_hw_state(dev, dev->mode_config.acquire_ctx); + intel_acpi_assign_connector_fwnodes(i915); drm_modeset_unlock_all(dev); for_each_intel_crtc(dev, crtc) { @@ -12579,7 +11706,7 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) * can even allow for smooth boot transitions if the BIOS * fb is large enough for the active pipe configuration. */ - i915->display.get_initial_plane_config(crtc, &plane_config); + i915->display->get_initial_plane_config(crtc, &plane_config); /* * If the fb is shared between multiple heads, we'll @@ -12869,13 +11996,8 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc, intel_plane_disable_noatomic(crtc, plane); } - /* - * Disable any background color set by the BIOS, but enable the - * gamma and CSC to match how we program our planes. - */ - if (DISPLAY_VER(dev_priv) >= 9) - intel_de_write(dev_priv, SKL_BOTTOM_COLOR(crtc->pipe), - SKL_BOTTOM_COLOR_GAMMA_ENABLE | SKL_BOTTOM_COLOR_CSC_ENABLE); + /* Disable any background color/etc. set by the BIOS */ + intel_color_commit(crtc_state); } /* Adjust the state of the output pipe according to whether we @@ -13076,24 +12198,21 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) enableddisabled(crtc_state->hw.active)); } - dev_priv->active_pipes = cdclk_state->active_pipes = - dbuf_state->active_pipes = active_pipes; + cdclk_state->active_pipes = dbuf_state->active_pipes = active_pipes; readout_plane_state(dev_priv); for_each_intel_encoder(dev, encoder) { + struct intel_crtc_state *crtc_state = NULL; + pipe = 0; if (encoder->get_hw_state(encoder, &pipe)) { - struct intel_crtc_state *crtc_state; - crtc = intel_get_crtc_for_pipe(dev_priv, pipe); crtc_state = to_intel_crtc_state(crtc->base.state); encoder->base.crtc = &crtc->base; intel_encoder_get_config(encoder, crtc_state); - if (encoder->sync_state) - encoder->sync_state(encoder, crtc_state); /* read out to slave crtc as well for bigjoiner */ if (crtc_state->bigjoiner) { @@ -13108,6 +12227,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) encoder->base.crtc = NULL; } + if (encoder->sync_state) + encoder->sync_state(encoder, crtc_state); + drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", encoder->base.base.id, encoder->base.name, @@ -13390,17 +12512,6 @@ intel_modeset_setup_hw_state(struct drm_device *dev, intel_modeset_readout_hw_state(dev); /* HW state is read out, now we need to sanitize this mess. */ - - /* Sanitize the TypeC port mode upfront, encoders depend on this */ - for_each_intel_encoder(dev, encoder) { - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - /* We need to sanitize only the MST primary port. */ - if (encoder->type != INTEL_OUTPUT_DP_MST && - intel_phy_is_tc(dev_priv, phy)) - intel_tc_port_sanitize(enc_to_dig_port(encoder)); - } - get_encoder_power_domains(dev_priv); if (HAS_PCH_IBX(dev_priv)) diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 284936f0ddab..3028072c2cf3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -270,6 +270,7 @@ enum tc_port { }; enum tc_port_mode { + TC_PORT_DISCONNECTED, TC_PORT_TBT_ALT, TC_PORT_DP_ALT, TC_PORT_LEGACY, @@ -531,8 +532,8 @@ enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); bool is_trans_port_sync_mode(const struct intel_crtc_state *state); void intel_plane_destroy(struct drm_plane *plane); -void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state); -void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state); +void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state); +void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state); void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc); @@ -548,8 +549,6 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv); unsigned int intel_fb_xy_to_linear(int x, int y, const struct intel_plane_state *state, int plane); -unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, - int color_plane, unsigned int height); void intel_add_fb_offsets(int *x, int *y, const struct intel_plane_state *state, int plane); unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); @@ -630,10 +629,6 @@ struct intel_encoder * intel_get_crtc_new_encoder(const struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state); -unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, - int color_plane); -unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); - void intel_display_driver_register(struct drm_i915_private *i915); void intel_display_driver_unregister(struct drm_i915_private *i915); @@ -650,23 +645,10 @@ void intel_init_pch_refclk(struct drm_i915_private *dev_priv); int intel_modeset_all_pipes(struct intel_atomic_state *state); /* modesetting asserts */ -void assert_panel_unlocked(struct drm_i915_private *dev_priv, - enum pipe pipe); -void assert_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state); -#define assert_pll_enabled(d, p) assert_pll(d, p, true) -#define assert_pll_disabled(d, p) assert_pll(d, p, false) -void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state); -#define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) -#define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) -void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state); -#define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true) -#define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false) -void assert_pipe(struct drm_i915_private *dev_priv, - enum transcoder cpu_transcoder, bool state); -#define assert_pipe_enabled(d, t) assert_pipe(d, t, true) -#define assert_pipe_disabled(d, t) assert_pipe(d, t, false) +void assert_transcoder(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder, bool state); +#define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true) +#define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false) /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and * WARN_ON()) for hw state sanity checks to check for unexpected conditions diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 8fdacb252bb1..309d74fd86ce 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -13,6 +13,7 @@ #include "intel_display_types.h" #include "intel_dmc.h" #include "intel_dp.h" +#include "intel_drrs.h" #include "intel_fbc.h" #include "intel_hdcp.h" #include "intel_hdmi.h" @@ -1323,9 +1324,6 @@ static int i915_drrs_status(struct seq_file *m, void *unused) return 0; } -#define LPSP_STATUS(COND) (COND ? seq_puts(m, "LPSP: enabled\n") : \ - seq_puts(m, "LPSP: disabled\n")) - static bool intel_lpsp_power_well_enabled(struct drm_i915_private *i915, enum i915_power_well_id power_well_id) @@ -1344,32 +1342,20 @@ intel_lpsp_power_well_enabled(struct drm_i915_private *i915, static int i915_lpsp_status(struct seq_file *m, void *unused) { struct drm_i915_private *i915 = node_to_i915(m->private); - - if (DISPLAY_VER(i915) >= 13) { - LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, - SKL_DISP_PW_2)); + bool lpsp_enabled = false; + + if (DISPLAY_VER(i915) >= 13 || IS_DISPLAY_VER(i915, 9, 10)) { + lpsp_enabled = !intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2); + } else if (IS_DISPLAY_VER(i915, 11, 12)) { + lpsp_enabled = !intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3); + } else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) { + lpsp_enabled = !intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL); + } else { + seq_puts(m, "LPSP: not supported\n"); return 0; } - switch (DISPLAY_VER(i915)) { - case 12: - case 11: - LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3)); - break; - case 10: - case 9: - LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2)); - break; - default: - /* - * Apart from HASWELL/BROADWELL other legacy platform doesn't - * support lpsp. - */ - if (IS_HASWELL(i915) || IS_BROADWELL(i915)) - LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL)); - else - seq_puts(m, "LPSP: not supported\n"); - } + seq_printf(m, "LPSP: %s\n", enableddisabled(lpsp_enabled)); return 0; } @@ -2044,11 +2030,9 @@ static int i915_drrs_ctl_set(void *data, u64 val) intel_dp = enc_to_intel_dp(encoder); if (val) - intel_edp_drrs_enable(intel_dp, - crtc_state); + intel_drrs_enable(intel_dp, crtc_state); else - intel_edp_drrs_disable(intel_dp, - crtc_state); + intel_drrs_disable(intel_dp, crtc_state); } drm_connector_list_iter_end(&conn_iter); @@ -2240,14 +2224,12 @@ static int i915_psr_status_show(struct seq_file *m, void *data) } DEFINE_SHOW_ATTRIBUTE(i915_psr_status); -#define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \ - seq_puts(m, "LPSP: incapable\n")) - static int i915_lpsp_capability_show(struct seq_file *m, void *data) { struct drm_connector *connector = m->private; struct drm_i915_private *i915 = to_i915(connector->dev); struct intel_encoder *encoder; + bool lpsp_capable = false; encoder = intel_attached_encoder(to_intel_connector(connector)); if (!encoder) @@ -2256,35 +2238,27 @@ static int i915_lpsp_capability_show(struct seq_file *m, void *data) if (connector->status != connector_status_connected) return -ENODEV; - if (DISPLAY_VER(i915) >= 13) { - LPSP_CAPABLE(encoder->port <= PORT_B); - return 0; - } - - switch (DISPLAY_VER(i915)) { - case 12: + if (DISPLAY_VER(i915) >= 13) + lpsp_capable = encoder->port <= PORT_B; + else if (DISPLAY_VER(i915) >= 12) /* * Actually TGL can drive LPSP on port till DDI_C * but there is no physical connected DDI_C on TGL sku's, * even driver is not initilizing DDI_C port for gen12. */ - LPSP_CAPABLE(encoder->port <= PORT_B); - break; - case 11: - LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_DSI || - connector->connector_type == DRM_MODE_CONNECTOR_eDP); - break; - case 10: - case 9: - LPSP_CAPABLE(encoder->port == PORT_A && - (connector->connector_type == DRM_MODE_CONNECTOR_DSI || - connector->connector_type == DRM_MODE_CONNECTOR_eDP || - connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)); - break; - default: - if (IS_HASWELL(i915) || IS_BROADWELL(i915)) - LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_eDP); - } + lpsp_capable = encoder->port <= PORT_B; + else if (DISPLAY_VER(i915) == 11) + lpsp_capable = (connector->connector_type == DRM_MODE_CONNECTOR_DSI || + connector->connector_type == DRM_MODE_CONNECTOR_eDP); + else if (IS_DISPLAY_VER(i915, 9, 10)) + lpsp_capable = (encoder->port == PORT_A && + (connector->connector_type == DRM_MODE_CONNECTOR_DSI || + connector->connector_type == DRM_MODE_CONNECTOR_eDP || + connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)); + else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) + lpsp_capable = connector->connector_type == DRM_MODE_CONNECTOR_eDP; + + seq_printf(m, "LPSP: %s\n", lpsp_capable ? "capable" : "incapable"); return 0; } @@ -2468,17 +2442,16 @@ static const struct file_operations i915_dsc_bpp_fops = { * * Cleanup will be done by drm_connector_unregister() through a call to * drm_debugfs_connector_remove(). - * - * Returns 0 on success, negative error codes on error. */ -int intel_connector_debugfs_add(struct drm_connector *connector) +void intel_connector_debugfs_add(struct intel_connector *intel_connector) { + struct drm_connector *connector = &intel_connector->base; struct dentry *root = connector->debugfs_entry; struct drm_i915_private *dev_priv = to_i915(connector->dev); /* The connector must have been registered beforehands. */ if (!root) - return -ENODEV; + return; if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { debugfs_create_file("i915_panel_timings", S_IRUGO, root, @@ -2511,33 +2484,23 @@ int intel_connector_debugfs_add(struct drm_connector *connector) connector, &i915_dsc_bpp_fops); } - /* Legacy panels doesn't lpsp on any platform */ - if ((DISPLAY_VER(dev_priv) >= 9 || IS_HASWELL(dev_priv) || - IS_BROADWELL(dev_priv)) && - (connector->connector_type == DRM_MODE_CONNECTOR_DSI || - connector->connector_type == DRM_MODE_CONNECTOR_eDP || - connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || - connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || - connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) + if (connector->connector_type == DRM_MODE_CONNECTOR_DSI || + connector->connector_type == DRM_MODE_CONNECTOR_eDP || + connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) debugfs_create_file("i915_lpsp_capability", 0444, root, connector, &i915_lpsp_capability_fops); - - return 0; } /** * intel_crtc_debugfs_add - add i915 specific crtc debugfs files * @crtc: pointer to a drm_crtc * - * Returns 0 on success, negative error codes on error. - * * Failure to add debugfs entries should generally be ignored. */ -int intel_crtc_debugfs_add(struct drm_crtc *crtc) +void intel_crtc_debugfs_add(struct drm_crtc *crtc) { - if (!crtc->debugfs_entry) - return -ENODEV; - - crtc_updates_add(crtc); - return 0; + if (crtc->debugfs_entry) + crtc_updates_add(crtc); } diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.h b/drivers/gpu/drm/i915/display/intel_display_debugfs.h index 557901f3eb90..d3a79c07c384 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.h +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.h @@ -6,18 +6,18 @@ #ifndef __INTEL_DISPLAY_DEBUGFS_H__ #define __INTEL_DISPLAY_DEBUGFS_H__ -struct drm_connector; struct drm_crtc; struct drm_i915_private; +struct intel_connector; #ifdef CONFIG_DEBUG_FS void intel_display_debugfs_register(struct drm_i915_private *i915); -int intel_connector_debugfs_add(struct drm_connector *connector); -int intel_crtc_debugfs_add(struct drm_crtc *crtc); +void intel_connector_debugfs_add(struct intel_connector *connector); +void intel_crtc_debugfs_add(struct drm_crtc *crtc); #else static inline void intel_display_debugfs_register(struct drm_i915_private *i915) {} -static inline int intel_connector_debugfs_add(struct drm_connector *connector) { return 0; } -static inline int intel_crtc_debugfs_add(struct drm_crtc *crtc) { return 0; } +static inline void intel_connector_debugfs_add(struct intel_connector *connector) {} +static inline void intel_crtc_debugfs_add(struct drm_crtc *crtc) {} #endif #endif /* __INTEL_DISPLAY_DEBUGFS_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index cce1a926fcc1..06e9879aedd7 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -9,11 +9,12 @@ #include "i915_irq.h" #include "intel_cdclk.h" #include "intel_combo_phy.h" -#include "intel_display_power.h" #include "intel_de.h" +#include "intel_display_power.h" #include "intel_display_types.h" #include "intel_dmc.h" #include "intel_dpio_phy.h" +#include "intel_dpll.h" #include "intel_hotplug.h" #include "intel_pm.h" #include "intel_pps.h" @@ -560,7 +561,7 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, if (drm_WARN_ON(&dev_priv->drm, !dig_port)) return; - if (DISPLAY_VER(dev_priv) == 11 && dig_port->tc_legacy_port) + if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) return; drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port)); @@ -629,7 +630,7 @@ icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, * exit sequence. */ timeout_expected = is_tbt || intel_tc_cold_requires_aux_pw(dig_port); - if (DISPLAY_VER(dev_priv) == 11 && dig_port->tc_legacy_port) + if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) icl_tc_cold_exit(dev_priv); hsw_wait_for_power_well_enable(dev_priv, power_well, timeout_expected); @@ -1195,7 +1196,7 @@ static void gen9_disable_dc_states(struct drm_i915_private *dev_priv) if (!HAS_DISPLAY(dev_priv)) return; - dev_priv->display.get_cdclk(dev_priv, &cdclk_config); + intel_cdclk_get_cdclk(dev_priv, &cdclk_config); /* Can't read out voltage_level so can't use intel_cdclk_changed() */ drm_WARN_ON(&dev_priv->drm, intel_cdclk_needs_modeset(&dev_priv->cdclk.hw, diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index 978531841fa3..0612e4b6e3c8 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -410,6 +410,10 @@ void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv, for ((wf) = intel_display_power_get((i915), (domain)); (wf); \ intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0) +#define with_intel_display_power_if_enabled(i915, domain, wf) \ + for ((wf) = intel_display_power_get_if_enabled((i915), (domain)); (wf); \ + intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0) + void chv_phy_powergate_lanes(struct intel_encoder *encoder, bool override, unsigned int mask); bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 6beeeeba1bed..a811e13720bf 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -103,8 +103,6 @@ struct intel_fb_view { * in the rotated and remapped GTT view all no-CCS formats (up to 2 * color planes) are supported. * - * TODO: add support for CCS formats in the remapped GTT view. - * * The view information shared by all FB color planes in the FB, * like dst x/y and src/dst width, is stored separately in * intel_plane_state. @@ -271,6 +269,9 @@ struct intel_encoder { const struct intel_ddi_buf_trans *(*get_buf_trans)(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, int *n_entries); + void (*set_signal_levels)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); + enum hpd_pin hpd_pin; enum intel_display_power_domain power_domain; /* for communication with audio component; protected by av_mutex */ @@ -428,10 +429,6 @@ struct intel_hdcp_shim { int (*hdcp_2_2_capable)(struct intel_digital_port *dig_port, bool *capable); - /* Detects whether a HDCP 1.4 sink connected in MST topology */ - int (*streams_type1_capable)(struct intel_connector *connector, - bool *capable); - /* Write HDCP2.2 messages */ int (*write_2_2_msg)(struct intel_digital_port *dig_port, void *buf, size_t size); @@ -1060,12 +1057,14 @@ struct intel_crtc_state { struct intel_link_m_n dp_m2_n2; bool has_drrs; + /* PSR is supported but might not be enabled due the lack of enabled planes */ bool has_psr; bool has_psr2; bool enable_psr2_sel_fetch; bool req_psr2_sdp_prior_scanline; u32 dc3co_exitline; u16 su_y_granularity; + struct drm_dp_vsc_sdp psr_vsc; /* * Frequence the dpll for the port should run at. Differs from the @@ -1529,7 +1528,6 @@ struct intel_psr { u32 dc3co_exitline; u32 dc3co_exit_delay; struct delayed_work dc3co_work; - struct drm_dp_vsc_sdp vsc; }; struct intel_dp { @@ -1606,8 +1604,6 @@ struct intel_dp { u8 dp_train_pat); void (*set_idle_link_train)(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); - void (*set_signal_levels)(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); u8 (*preemph_max)(struct intel_dp *intel_dp); u8 (*voltage_max)(struct intel_dp *intel_dp, @@ -1667,8 +1663,11 @@ struct intel_digital_port { enum intel_display_power_domain ddi_io_power_domain; intel_wakeref_t ddi_io_wakeref; intel_wakeref_t aux_wakeref; + struct mutex tc_lock; /* protects the TypeC port mode */ intel_wakeref_t tc_lock_wakeref; + enum intel_display_power_domain tc_lock_power_domain; + struct delayed_work tc_disconnect_phy_work; int tc_link_refcount; bool tc_legacy_port:1; char tc_port_name[8]; @@ -1684,6 +1683,8 @@ struct intel_digital_port { bool hdcp_auth_status; /* HDCP port data need to pass to security f/w */ struct hdcp_port_data hdcp_port_data; + /* Whether the MST topology supports HDCP Type 1 Content */ + bool hdcp_mst_type1_capable; void (*write_infoframe)(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, @@ -2035,28 +2036,6 @@ to_intel_frontbuffer(struct drm_framebuffer *fb) return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL; } -static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) -{ - if (dev_priv->params.panel_use_ssc >= 0) - return dev_priv->params.panel_use_ssc != 0; - return dev_priv->vbt.lvds_use_ssc - && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); -} - -static inline u32 i9xx_dpll_compute_fp(struct dpll *dpll) -{ - return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; -} - -static inline u32 intel_fdi_link_freq(struct drm_i915_private *dev_priv, - const struct intel_crtc_state *pipe_config) -{ - if (HAS_DDI(dev_priv)) - return pipe_config->port_clock; /* SPLL */ - else - return dev_priv->fdi_pll_freq; -} - static inline bool is_ccs_modifier(u64 modifier) { return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS || diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 3c3c6cb5c0df..2dc9d632969d 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -45,8 +45,8 @@ #define GEN12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE -#define ADLP_DMC_PATH DMC_PATH(adlp, 2, 10) -#define ADLP_DMC_VERSION_REQUIRED DMC_VERSION(2, 10) +#define ADLP_DMC_PATH DMC_PATH(adlp, 2, 12) +#define ADLP_DMC_VERSION_REQUIRED DMC_VERSION(2, 12) MODULE_FIRMWARE(ADLP_DMC_PATH); #define ADLS_DMC_PATH DMC_PATH(adls, 2, 01) @@ -255,20 +255,10 @@ intel_get_stepping_info(struct drm_i915_private *i915, static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv) { - u32 val, mask; - - mask = DC_STATE_DEBUG_MASK_MEMORY_UP; - - if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - mask |= DC_STATE_DEBUG_MASK_CORES; - /* The below bit doesn't need to be cleared ever afterwards */ - val = intel_de_read(dev_priv, DC_STATE_DEBUG); - if ((val & mask) != mask) { - val |= mask; - intel_de_write(dev_priv, DC_STATE_DEBUG, val); - intel_de_posting_read(dev_priv, DC_STATE_DEBUG); - } + intel_de_rmw(dev_priv, DC_STATE_DEBUG, 0, + DC_STATE_DEBUG_MASK_CORES | DC_STATE_DEBUG_MASK_MEMORY_UP); + intel_de_posting_read(dev_priv, DC_STATE_DEBUG); } /** @@ -805,11 +795,14 @@ void intel_dmc_ucode_resume(struct drm_i915_private *dev_priv) */ void intel_dmc_ucode_fini(struct drm_i915_private *dev_priv) { + int id; + if (!HAS_DMC(dev_priv)) return; intel_dmc_ucode_suspend(dev_priv); drm_WARN_ON(&dev_priv->drm, dev_priv->dmc.wakeref); - kfree(dev_priv->dmc.dmc_info[DMC_FW_MAIN].payload); + for (id = 0; id < DMC_FW_MAX; id++) + kfree(dev_priv->dmc.dmc_info[id].payload); } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index abe3d61b6243..74a657ae131a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -44,6 +44,7 @@ #include "i915_drv.h" #include "intel_atomic.h" #include "intel_audio.h" +#include "intel_backlight.h" #include "intel_connector.h" #include "intel_ddi.h" #include "intel_de.h" @@ -55,6 +56,7 @@ #include "intel_dp_mst.h" #include "intel_dpio_phy.h" #include "intel_dpll.h" +#include "intel_drrs.h" #include "intel_fifo_underrun.h" #include "intel_hdcp.h" #include "intel_hdmi.h" @@ -100,6 +102,8 @@ static const u8 valid_dsc_slicecount[] = {1, 2, 4}; * * If a CPU or PCH DP output is attached to an eDP panel, this function * will return true, and false otherwise. + * + * This function is not safe to use prior to encoder type being set. */ bool intel_dp_is_edp(struct intel_dp *intel_dp) { @@ -111,6 +115,12 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) static void intel_dp_unset_edid(struct intel_dp *intel_dp); static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc); +/* Is link rate UHBR and thus 128b/132b? */ +bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state) +{ + return crtc_state->port_clock >= 1000000; +} + /* update sink rates from dpcd */ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp) { @@ -141,6 +151,26 @@ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp) intel_dp->sink_rates[i] = dp_rates[i]; } + /* + * Sink rates for 128b/132b. If set, sink should support all 8b/10b + * rates and 10 Gbps. + */ + if (intel_dp->dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B) { + u8 uhbr_rates = 0; + + BUILD_BUG_ON(ARRAY_SIZE(intel_dp->sink_rates) < ARRAY_SIZE(dp_rates) + 3); + + drm_dp_dpcd_readb(&intel_dp->aux, + DP_128B132B_SUPPORTED_LINK_RATES, &uhbr_rates); + + if (uhbr_rates & DP_UHBR10) + intel_dp->sink_rates[i++] = 1000000; + if (uhbr_rates & DP_UHBR13_5) + intel_dp->sink_rates[i++] = 1350000; + if (uhbr_rates & DP_UHBR20) + intel_dp->sink_rates[i++] = 2000000; + } + intel_dp->num_sink_rates = i; } @@ -192,6 +222,10 @@ int intel_dp_max_lane_count(struct intel_dp *intel_dp) return intel_dp->max_link_lane_count; } +/* + * The required data bandwidth for a mode with given pixel clock and bpp. This + * is the required net bandwidth independent of the data bandwidth efficiency. + */ int intel_dp_link_required(int pixel_clock, int bpp) { @@ -199,16 +233,52 @@ intel_dp_link_required(int pixel_clock, int bpp) return DIV_ROUND_UP(pixel_clock * bpp, 8); } +/* + * Given a link rate and lanes, get the data bandwidth. + * + * Data bandwidth is the actual payload rate, which depends on the data + * bandwidth efficiency and the link rate. + * + * For 8b/10b channel encoding, SST and non-FEC, the data bandwidth efficiency + * is 80%. For example, for a 1.62 Gbps link, 1.62*10^9 bps * 0.80 * (1/8) = + * 162000 kBps. With 8-bit symbols, we have 162000 kHz symbol clock. Just by + * coincidence, the port clock in kHz matches the data bandwidth in kBps, and + * they equal the link bit rate in Gbps multiplied by 100000. (Note that this no + * longer holds for data bandwidth as soon as FEC or MST is taken into account!) + * + * For 128b/132b channel encoding, the data bandwidth efficiency is 96.71%. For + * example, for a 10 Gbps link, 10*10^9 bps * 0.9671 * (1/8) = 1208875 + * kBps. With 32-bit symbols, we have 312500 kHz symbol clock. The value 1000000 + * does not match the symbol clock, the port clock (not even if you think in + * terms of a byte clock), nor the data bandwidth. It only matches the link bit + * rate in units of 10000 bps. + */ int -intel_dp_max_data_rate(int max_link_clock, int max_lanes) +intel_dp_max_data_rate(int max_link_rate, int max_lanes) { - /* max_link_clock is the link symbol clock (LS_Clk) in kHz and not the - * link rate that is generally expressed in Gbps. Since, 8 bits of data - * is transmitted every LS_Clk per lane, there is no need to account for - * the channel encoding that is done in the PHY layer here. + if (max_link_rate >= 1000000) { + /* + * UHBR rates always use 128b/132b channel encoding, and have + * 97.71% data bandwidth efficiency. Consider max_link_rate the + * link bit rate in units of 10000 bps. + */ + int max_link_rate_kbps = max_link_rate * 10; + + max_link_rate_kbps = DIV_ROUND_CLOSEST_ULL(max_link_rate_kbps * 9671, 10000); + max_link_rate = max_link_rate_kbps / 8; + } + + /* + * Lower than UHBR rates always use 8b/10b channel encoding, and have + * 80% data bandwidth efficiency for SST non-FEC. However, this turns + * out to be a nop by coincidence, and can be skipped: + * + * int max_link_rate_kbps = max_link_rate * 10; + * max_link_rate_kbps = DIV_ROUND_CLOSEST_ULL(max_link_rate_kbps * 8, 10); + * max_link_rate = max_link_rate_kbps / 8; */ - return max_link_clock * max_lanes; + return max_link_rate * max_lanes; } bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp) @@ -222,6 +292,20 @@ bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp) encoder->port != PORT_A); } +static int dg2_max_source_rate(struct intel_dp *intel_dp) +{ + return intel_dp_is_edp(intel_dp) ? 810000 : 1350000; +} + +static bool is_low_voltage_sku(struct drm_i915_private *i915, enum phy phy) +{ + u32 voltage; + + voltage = intel_de_read(i915, ICL_PORT_COMP_DW3(phy)) & VOLTAGE_INFO_MASK; + + return voltage == VOLTAGE_INFO_0_85V; +} + static int icl_max_source_rate(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); @@ -229,7 +313,7 @@ static int icl_max_source_rate(struct intel_dp *intel_dp) enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); if (intel_phy_is_combo(dev_priv, phy) && - !intel_dp_is_edp(intel_dp)) + (is_low_voltage_sku(dev_priv, phy) || !intel_dp_is_edp(intel_dp))) return 540000; return 810000; @@ -237,7 +321,23 @@ static int icl_max_source_rate(struct intel_dp *intel_dp) static int ehl_max_source_rate(struct intel_dp *intel_dp) { - if (intel_dp_is_edp(intel_dp)) + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); + + if (intel_dp_is_edp(intel_dp) || is_low_voltage_sku(dev_priv, phy)) + return 540000; + + return 810000; +} + +static int dg1_max_source_rate(struct intel_dp *intel_dp) +{ + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(i915, dig_port->base.port); + + if (intel_phy_is_combo(i915, phy) && is_low_voltage_sku(i915, phy)) return 540000; return 810000; @@ -248,7 +348,8 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) { /* The values must be in increasing order */ static const int icl_rates[] = { - 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000 + 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000, + 1000000, 1350000, }; static const int bxt_rates[] = { 162000, 216000, 243000, 270000, 324000, 432000, 540000 @@ -275,7 +376,12 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) if (DISPLAY_VER(dev_priv) >= 11) { source_rates = icl_rates; size = ARRAY_SIZE(icl_rates); - if (IS_JSL_EHL(dev_priv)) + if (IS_DG2(dev_priv)) + max_rate = dg2_max_source_rate(intel_dp); + else if (IS_ALDERLAKE_P(dev_priv) || IS_ALDERLAKE_S(dev_priv) || + IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) + max_rate = dg1_max_source_rate(intel_dp); + else if (IS_JSL_EHL(dev_priv)) max_rate = ehl_max_source_rate(intel_dp); else max_rate = icl_max_source_rate(intel_dp); @@ -461,7 +567,9 @@ u32 intel_dp_mode_to_fec_clock(u32 mode_clock) static int small_joiner_ram_size_bits(struct drm_i915_private *i915) { - if (DISPLAY_VER(i915) >= 11) + if (DISPLAY_VER(i915) >= 13) + return 17280 * 8; + else if (DISPLAY_VER(i915) >= 11) return 7680 * 8; else return 6144 * 8; @@ -703,6 +811,17 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, return MODE_OK; } +static bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp, + int hdisplay, int clock) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + + if (!intel_dp_can_bigjoiner(intel_dp)) + return false; + + return clock > i915->max_dotclk_freq || hdisplay > 5120; +} + static enum drm_mode_status intel_dp_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -726,11 +845,9 @@ intel_dp_mode_valid(struct drm_connector *connector, return MODE_H_ILLEGAL; if (intel_dp_is_edp(intel_dp) && fixed_mode) { - if (mode->hdisplay != fixed_mode->hdisplay) - return MODE_PANEL; - - if (mode->vdisplay != fixed_mode->vdisplay) - return MODE_PANEL; + status = intel_panel_mode_valid(intel_connector, mode); + if (status != MODE_OK) + return status; target_clock = fixed_mode->clock; } @@ -738,8 +855,7 @@ intel_dp_mode_valid(struct drm_connector *connector, if (mode->clock < 10000) return MODE_CLOCK_LOW; - if ((target_clock > max_dotclk || mode->hdisplay > 5120) && - intel_dp_can_bigjoiner(intel_dp)) { + if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) { bigjoiner = true; max_dotclk *= 2; } @@ -811,18 +927,14 @@ intel_dp_mode_valid(struct drm_connector *connector, return intel_mode_valid_max_plane_size(dev_priv, mode, bigjoiner); } -bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp) +bool intel_dp_source_supports_tps3(struct drm_i915_private *i915) { - int max_rate = intel_dp->source_rates[intel_dp->num_source_rates - 1]; - - return max_rate >= 540000; + return DISPLAY_VER(i915) >= 9 || IS_BROADWELL(i915) || IS_HASWELL(i915); } -bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp) +bool intel_dp_source_supports_tps4(struct drm_i915_private *i915) { - int max_rate = intel_dp->source_rates[intel_dp->num_source_rates - 1]; - - return max_rate >= 810000; + return DISPLAY_VER(i915) >= 10; } static void snprintf_int_array(char *str, size_t len, @@ -1044,7 +1156,8 @@ intel_dp_adjust_compliance_config(struct intel_dp *intel_dp, intel_dp->num_common_rates, intel_dp->compliance.test_link_rate); if (index >= 0) - limits->min_clock = limits->max_clock = index; + limits->min_rate = limits->max_rate = + intel_dp->compliance.test_link_rate; limits->min_lane_count = limits->max_lane_count = intel_dp->compliance.test_lane_count; } @@ -1058,8 +1171,8 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, const struct link_config_limits *limits) { struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; - int bpp, clock, lane_count; - int mode_rate, link_clock, link_avail; + int bpp, i, lane_count; + int mode_rate, link_rate, link_avail; for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) { int output_bpp = intel_dp_output_bpp(pipe_config->output_format, bpp); @@ -1067,18 +1180,22 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock, output_bpp); - for (clock = limits->min_clock; clock <= limits->max_clock; clock++) { + for (i = 0; i < intel_dp->num_common_rates; i++) { + link_rate = intel_dp->common_rates[i]; + if (link_rate < limits->min_rate || + link_rate > limits->max_rate) + continue; + for (lane_count = limits->min_lane_count; lane_count <= limits->max_lane_count; lane_count <<= 1) { - link_clock = intel_dp->common_rates[clock]; - link_avail = intel_dp_max_data_rate(link_clock, + link_avail = intel_dp_max_data_rate(link_rate, lane_count); if (mode_rate <= link_avail) { pipe_config->lane_count = lane_count; pipe_config->pipe_bpp = bpp; - pipe_config->port_clock = link_clock; + pipe_config->port_clock = link_rate; return 0; } @@ -1212,7 +1329,7 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, * with DSC enabled for the requested mode. */ pipe_config->pipe_bpp = pipe_bpp; - pipe_config->port_clock = intel_dp->common_rates[limits->max_clock]; + pipe_config->port_clock = limits->max_rate; pipe_config->lane_count = limits->max_lane_count; if (intel_dp_is_edp(intel_dp)) { @@ -1321,8 +1438,8 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, /* No common link rates between source and sink */ drm_WARN_ON(encoder->base.dev, common_len <= 0); - limits.min_clock = 0; - limits.max_clock = common_len - 1; + limits.min_rate = intel_dp->common_rates[0]; + limits.max_rate = intel_dp->common_rates[common_len - 1]; limits.min_lane_count = 1; limits.max_lane_count = intel_dp_max_lane_count(intel_dp); @@ -1340,20 +1457,18 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, * values correspond to the native resolution of the panel. */ limits.min_lane_count = limits.max_lane_count; - limits.min_clock = limits.max_clock; + limits.min_rate = limits.max_rate; } intel_dp_adjust_compliance_config(intel_dp, pipe_config, &limits); drm_dbg_kms(&i915->drm, "DP link computation with max lane count %i " "max rate %d max bpp %d pixel clock %iKHz\n", - limits.max_lane_count, - intel_dp->common_rates[limits.max_clock], + limits.max_lane_count, limits.max_rate, limits.max_bpp, adjusted_mode->crtc_clock); - if ((adjusted_mode->crtc_clock > i915->max_dotclk_freq || - adjusted_mode->crtc_hdisplay > 5120) && - intel_dp_can_bigjoiner(intel_dp)) + if (intel_dp_need_bigjoiner(intel_dp, adjusted_mode->crtc_hdisplay, + adjusted_mode->crtc_clock)) pipe_config->bigjoiner = true; /* @@ -1553,7 +1668,7 @@ void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp, { vsc->sdp_type = DP_SDP_VSC; - if (intel_dp->psr.psr2_enabled) { + if (crtc_state->has_psr2) { if (intel_dp->psr.colorimetry_support && intel_dp_needs_vsc_sdp(crtc_state, conn_state)) { /* [PSR2, +Colorimetry] */ @@ -1603,46 +1718,6 @@ intel_dp_compute_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp, intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA); } -static void -intel_dp_drrs_compute_config(struct intel_dp *intel_dp, - struct intel_crtc_state *pipe_config, - int output_bpp, bool constant_n) -{ - struct intel_connector *intel_connector = intel_dp->attached_connector; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - int pixel_clock; - - if (pipe_config->vrr.enable) - return; - - /* - * DRRS and PSR can't be enable together, so giving preference to PSR - * as it allows more power-savings by complete shutting down display, - * so to guarantee this, intel_dp_drrs_compute_config() must be called - * after intel_psr_compute_config(). - */ - if (pipe_config->has_psr) - return; - - if (!intel_connector->panel.downclock_mode || - dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT) - return; - - pipe_config->has_drrs = true; - - pixel_clock = intel_connector->panel.downclock_mode->clock; - if (pipe_config->splitter.enable) - pixel_clock /= pipe_config->splitter.link_count; - - intel_link_compute_m_n(output_bpp, pipe_config->lane_count, pixel_clock, - pipe_config->port_clock, &pipe_config->dp_m2_n2, - constant_n, pipe_config->fec_enable); - - /* FIXME: abstract this better */ - if (pipe_config->splitter.enable) - pipe_config->dp_m2_n2.gmch_m *= pipe_config->splitter.link_count; -} - int intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, @@ -1665,7 +1740,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, adjusted_mode); if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) { - ret = intel_pch_panel_fitting(pipe_config, conn_state); + ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; } @@ -1678,13 +1753,11 @@ intel_dp_compute_config(struct intel_encoder *encoder, pipe_config->has_audio = intel_conn_state->force_audio == HDMI_AUDIO_ON; if (intel_dp_is_edp(intel_dp) && intel_connector->panel.fixed_mode) { - intel_fixed_panel_mode(intel_connector->panel.fixed_mode, - adjusted_mode); + ret = intel_panel_compute_config(intel_connector, adjusted_mode); + if (ret) + return ret; - if (HAS_GMCH(dev_priv)) - ret = intel_gmch_panel_fitting(pipe_config, conn_state); - else - ret = intel_pch_panel_fitting(pipe_config, conn_state); + ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; } @@ -1750,9 +1823,9 @@ intel_dp_compute_config(struct intel_encoder *encoder, g4x_dp_set_clock(encoder, pipe_config); intel_vrr_compute_config(pipe_config, conn_state); - intel_psr_compute_config(intel_dp, pipe_config); - intel_dp_drrs_compute_config(intel_dp, pipe_config, output_bpp, - constant_n); + intel_psr_compute_config(intel_dp, pipe_config, conn_state); + intel_drrs_compute_config(intel_dp, pipe_config, output_bpp, + constant_n); intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state); intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state); @@ -1762,6 +1835,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, void intel_dp_set_link_params(struct intel_dp *intel_dp, int link_rate, int lane_count) { + memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set)); intel_dp->link_trained = false; intel_dp->link_rate = link_rate; intel_dp->lane_count = lane_count; @@ -1779,7 +1853,7 @@ void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, drm_dbg_kms(&i915->drm, "\n"); - intel_panel_enable_backlight(crtc_state, conn_state); + intel_backlight_enable(crtc_state, conn_state); intel_pps_backlight_on(intel_dp); } @@ -1795,7 +1869,7 @@ void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state) drm_dbg_kms(&i915->drm, "\n"); intel_pps_backlight_off(intel_dp); - intel_panel_disable_backlight(old_conn_state); + intel_backlight_disable(old_conn_state); } static bool downstream_hpd_needs_d0(struct intel_dp *intel_dp) @@ -2389,6 +2463,8 @@ static void intel_edp_mso_mode_fixup(struct intel_connector *connector, static void intel_edp_mso_init(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_connector *connector = intel_dp->attached_connector; + struct drm_display_info *info = &connector->base.display_info; u8 mso; if (intel_dp->edp_dpcd[0] < DP_EDP_14) @@ -2407,8 +2483,9 @@ static void intel_edp_mso_init(struct intel_dp *intel_dp) } if (mso) { - drm_dbg_kms(&i915->drm, "Sink MSO %ux%u configuration\n", - mso, drm_dp_max_lane_count(intel_dp->dpcd) / mso); + drm_dbg_kms(&i915->drm, "Sink MSO %ux%u configuration, pixel overlap %u\n", + mso, drm_dp_max_lane_count(intel_dp->dpcd) / mso, + info->mso_pixel_overlap); if (!HAS_MSO(i915)) { drm_err(&i915->drm, "No source MSO support, disabling\n"); mso = 0; @@ -2416,7 +2493,7 @@ static void intel_edp_mso_init(struct intel_dp *intel_dp) } intel_dp->mso_link_count = mso; - intel_dp->mso_pixel_overlap = 0; /* FIXME: read from DisplayID v2.0 */ + intel_dp->mso_pixel_overlap = mso ? info->mso_pixel_overlap : 0; } static bool @@ -2505,8 +2582,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) */ intel_edp_init_source_oui(intel_dp, true); - intel_edp_mso_init(intel_dp); - return true; } @@ -2809,7 +2884,7 @@ static void intel_write_dp_sdp(struct intel_encoder *encoder, void intel_write_dp_vsc_sdp(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, - struct drm_dp_vsc_sdp *vsc) + const struct drm_dp_vsc_sdp *vsc) { struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); @@ -4588,6 +4663,17 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn, return intel_modeset_synced_crtcs(state, conn); } +static void intel_dp_oob_hotplug_event(struct drm_connector *connector) +{ + struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector)); + struct drm_i915_private *i915 = to_i915(connector->dev); + + spin_lock_irq(&i915->irq_lock); + i915->hotplug.event_bits |= BIT(encoder->hpd_pin); + spin_unlock_irq(&i915->irq_lock); + queue_delayed_work(system_wq, &i915->hotplug.hotplug_work, 0); +} + static const struct drm_connector_funcs intel_dp_connector_funcs = { .force = intel_dp_force, .fill_modes = drm_helper_probe_single_connector_modes, @@ -4598,6 +4684,7 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = { .destroy = intel_connector_destroy, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .atomic_duplicate_state = intel_digital_connector_duplicate_state, + .oob_hotplug_event = intel_dp_oob_hotplug_event, }; static const struct drm_connector_helper_funcs intel_dp_connector_helper_funcs = { @@ -4713,432 +4800,6 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect drm_connector_attach_vrr_capable_property(connector); } -/** - * intel_dp_set_drrs_state - program registers for RR switch to take effect - * @dev_priv: i915 device - * @crtc_state: a pointer to the active intel_crtc_state - * @refresh_rate: RR to be programmed - * - * This function gets called when refresh rate (RR) has to be changed from - * one frequency to another. Switches can be between high and low RR - * supported by the panel or to any other RR based on media playback (in - * this case, RR value needs to be passed from user space). - * - * The caller of this function needs to take a lock on dev_priv->drrs. - */ -static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv, - const struct intel_crtc_state *crtc_state, - int refresh_rate) -{ - struct intel_dp *intel_dp = dev_priv->drrs.dp; - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - enum drrs_refresh_rate_type index = DRRS_HIGH_RR; - - if (refresh_rate <= 0) { - drm_dbg_kms(&dev_priv->drm, - "Refresh rate should be positive non-zero.\n"); - return; - } - - if (intel_dp == NULL) { - drm_dbg_kms(&dev_priv->drm, "DRRS not supported.\n"); - return; - } - - if (!crtc) { - drm_dbg_kms(&dev_priv->drm, - "DRRS: intel_crtc not initialized\n"); - return; - } - - if (dev_priv->drrs.type < SEAMLESS_DRRS_SUPPORT) { - drm_dbg_kms(&dev_priv->drm, "Only Seamless DRRS supported.\n"); - return; - } - - if (drm_mode_vrefresh(intel_dp->attached_connector->panel.downclock_mode) == - refresh_rate) - index = DRRS_LOW_RR; - - if (index == dev_priv->drrs.refresh_rate_type) { - drm_dbg_kms(&dev_priv->drm, - "DRRS requested for previously set RR...ignoring\n"); - return; - } - - if (!crtc_state->hw.active) { - drm_dbg_kms(&dev_priv->drm, - "eDP encoder disabled. CRTC not Active\n"); - return; - } - - if (DISPLAY_VER(dev_priv) >= 8 && !IS_CHERRYVIEW(dev_priv)) { - switch (index) { - case DRRS_HIGH_RR: - intel_dp_set_m_n(crtc_state, M1_N1); - break; - case DRRS_LOW_RR: - intel_dp_set_m_n(crtc_state, M2_N2); - break; - case DRRS_MAX_RR: - default: - drm_err(&dev_priv->drm, - "Unsupported refreshrate type\n"); - } - } else if (DISPLAY_VER(dev_priv) > 6) { - i915_reg_t reg = PIPECONF(crtc_state->cpu_transcoder); - u32 val; - - val = intel_de_read(dev_priv, reg); - if (index > DRRS_HIGH_RR) { - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV; - else - val |= PIPECONF_EDP_RR_MODE_SWITCH; - } else { - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - val &= ~PIPECONF_EDP_RR_MODE_SWITCH_VLV; - else - val &= ~PIPECONF_EDP_RR_MODE_SWITCH; - } - intel_de_write(dev_priv, reg, val); - } - - dev_priv->drrs.refresh_rate_type = index; - - drm_dbg_kms(&dev_priv->drm, "eDP Refresh Rate set to : %dHz\n", - refresh_rate); -} - -static void -intel_edp_drrs_enable_locked(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - dev_priv->drrs.busy_frontbuffer_bits = 0; - dev_priv->drrs.dp = intel_dp; -} - -/** - * intel_edp_drrs_enable - init drrs struct if supported - * @intel_dp: DP struct - * @crtc_state: A pointer to the active crtc state. - * - * Initializes frontbuffer_bits and drrs.dp - */ -void intel_edp_drrs_enable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (!crtc_state->has_drrs) - return; - - drm_dbg_kms(&dev_priv->drm, "Enabling DRRS\n"); - - mutex_lock(&dev_priv->drrs.mutex); - - if (dev_priv->drrs.dp) { - drm_warn(&dev_priv->drm, "DRRS already enabled\n"); - goto unlock; - } - - intel_edp_drrs_enable_locked(intel_dp); - -unlock: - mutex_unlock(&dev_priv->drrs.mutex); -} - -static void -intel_edp_drrs_disable_locked(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) { - int refresh; - - refresh = drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode); - intel_dp_set_drrs_state(dev_priv, crtc_state, refresh); - } - - dev_priv->drrs.dp = NULL; -} - -/** - * intel_edp_drrs_disable - Disable DRRS - * @intel_dp: DP struct - * @old_crtc_state: Pointer to old crtc_state. - * - */ -void intel_edp_drrs_disable(struct intel_dp *intel_dp, - const struct intel_crtc_state *old_crtc_state) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (!old_crtc_state->has_drrs) - return; - - mutex_lock(&dev_priv->drrs.mutex); - if (!dev_priv->drrs.dp) { - mutex_unlock(&dev_priv->drrs.mutex); - return; - } - - intel_edp_drrs_disable_locked(intel_dp, old_crtc_state); - mutex_unlock(&dev_priv->drrs.mutex); - - cancel_delayed_work_sync(&dev_priv->drrs.work); -} - -/** - * intel_edp_drrs_update - Update DRRS state - * @intel_dp: Intel DP - * @crtc_state: new CRTC state - * - * This function will update DRRS states, disabling or enabling DRRS when - * executing fastsets. For full modeset, intel_edp_drrs_disable() and - * intel_edp_drrs_enable() should be called instead. - */ -void -intel_edp_drrs_update(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT) - return; - - mutex_lock(&dev_priv->drrs.mutex); - - /* New state matches current one? */ - if (crtc_state->has_drrs == !!dev_priv->drrs.dp) - goto unlock; - - if (crtc_state->has_drrs) - intel_edp_drrs_enable_locked(intel_dp); - else - intel_edp_drrs_disable_locked(intel_dp, crtc_state); - -unlock: - mutex_unlock(&dev_priv->drrs.mutex); -} - -static void intel_edp_drrs_downclock_work(struct work_struct *work) -{ - struct drm_i915_private *dev_priv = - container_of(work, typeof(*dev_priv), drrs.work.work); - struct intel_dp *intel_dp; - - mutex_lock(&dev_priv->drrs.mutex); - - intel_dp = dev_priv->drrs.dp; - - if (!intel_dp) - goto unlock; - - /* - * The delayed work can race with an invalidate hence we need to - * recheck. - */ - - if (dev_priv->drrs.busy_frontbuffer_bits) - goto unlock; - - if (dev_priv->drrs.refresh_rate_type != DRRS_LOW_RR) { - struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc; - - intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config, - drm_mode_vrefresh(intel_dp->attached_connector->panel.downclock_mode)); - } - -unlock: - mutex_unlock(&dev_priv->drrs.mutex); -} - -/** - * intel_edp_drrs_invalidate - Disable Idleness DRRS - * @dev_priv: i915 device - * @frontbuffer_bits: frontbuffer plane tracking bits - * - * This function gets called everytime rendering on the given planes start. - * Hence DRRS needs to be Upclocked, i.e. (LOW_RR -> HIGH_RR). - * - * Dirty frontbuffers relevant to DRRS are tracked in busy_frontbuffer_bits. - */ -void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits) -{ - struct intel_dp *intel_dp; - struct drm_crtc *crtc; - enum pipe pipe; - - if (dev_priv->drrs.type == DRRS_NOT_SUPPORTED) - return; - - cancel_delayed_work(&dev_priv->drrs.work); - - mutex_lock(&dev_priv->drrs.mutex); - - intel_dp = dev_priv->drrs.dp; - if (!intel_dp) { - mutex_unlock(&dev_priv->drrs.mutex); - return; - } - - crtc = dp_to_dig_port(intel_dp)->base.base.crtc; - pipe = to_intel_crtc(crtc)->pipe; - - frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe); - dev_priv->drrs.busy_frontbuffer_bits |= frontbuffer_bits; - - /* invalidate means busy screen hence upclock */ - if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) - intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config, - drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); - - mutex_unlock(&dev_priv->drrs.mutex); -} - -/** - * intel_edp_drrs_flush - Restart Idleness DRRS - * @dev_priv: i915 device - * @frontbuffer_bits: frontbuffer plane tracking bits - * - * This function gets called every time rendering on the given planes has - * completed or flip on a crtc is completed. So DRRS should be upclocked - * (LOW_RR -> HIGH_RR). And also Idleness detection should be started again, - * if no other planes are dirty. - * - * Dirty frontbuffers relevant to DRRS are tracked in busy_frontbuffer_bits. - */ -void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits) -{ - struct intel_dp *intel_dp; - struct drm_crtc *crtc; - enum pipe pipe; - - if (dev_priv->drrs.type == DRRS_NOT_SUPPORTED) - return; - - cancel_delayed_work(&dev_priv->drrs.work); - - mutex_lock(&dev_priv->drrs.mutex); - - intel_dp = dev_priv->drrs.dp; - if (!intel_dp) { - mutex_unlock(&dev_priv->drrs.mutex); - return; - } - - crtc = dp_to_dig_port(intel_dp)->base.base.crtc; - pipe = to_intel_crtc(crtc)->pipe; - - frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe); - dev_priv->drrs.busy_frontbuffer_bits &= ~frontbuffer_bits; - - /* flush means busy screen hence upclock */ - if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) - intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config, - drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); - - /* - * flush also means no more activity hence schedule downclock, if all - * other fbs are quiescent too - */ - if (!dev_priv->drrs.busy_frontbuffer_bits) - schedule_delayed_work(&dev_priv->drrs.work, - msecs_to_jiffies(1000)); - mutex_unlock(&dev_priv->drrs.mutex); -} - -/** - * DOC: Display Refresh Rate Switching (DRRS) - * - * Display Refresh Rate Switching (DRRS) is a power conservation feature - * which enables swtching between low and high refresh rates, - * dynamically, based on the usage scenario. This feature is applicable - * for internal panels. - * - * Indication that the panel supports DRRS is given by the panel EDID, which - * would list multiple refresh rates for one resolution. - * - * DRRS is of 2 types - static and seamless. - * Static DRRS involves changing refresh rate (RR) by doing a full modeset - * (may appear as a blink on screen) and is used in dock-undock scenario. - * Seamless DRRS involves changing RR without any visual effect to the user - * and can be used during normal system usage. This is done by programming - * certain registers. - * - * Support for static/seamless DRRS may be indicated in the VBT based on - * inputs from the panel spec. - * - * DRRS saves power by switching to low RR based on usage scenarios. - * - * The implementation is based on frontbuffer tracking implementation. When - * there is a disturbance on the screen triggered by user activity or a periodic - * system activity, DRRS is disabled (RR is changed to high RR). When there is - * no movement on screen, after a timeout of 1 second, a switch to low RR is - * made. - * - * For integration with frontbuffer tracking code, intel_edp_drrs_invalidate() - * and intel_edp_drrs_flush() are called. - * - * DRRS can be further extended to support other internal panels and also - * the scenario of video playback wherein RR is set based on the rate - * requested by userspace. - */ - -/** - * intel_dp_drrs_init - Init basic DRRS work and mutex. - * @connector: eDP connector - * @fixed_mode: preferred mode of panel - * - * This function is called only once at driver load to initialize basic - * DRRS stuff. - * - * Returns: - * Downclock mode if panel supports it, else return NULL. - * DRRS support is determined by the presence of downclock mode (apart - * from VBT setting). - */ -static struct drm_display_mode * -intel_dp_drrs_init(struct intel_connector *connector, - struct drm_display_mode *fixed_mode) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct drm_display_mode *downclock_mode = NULL; - - INIT_DELAYED_WORK(&dev_priv->drrs.work, intel_edp_drrs_downclock_work); - mutex_init(&dev_priv->drrs.mutex); - - if (DISPLAY_VER(dev_priv) <= 6) { - drm_dbg_kms(&dev_priv->drm, - "DRRS supported for Gen7 and above\n"); - return NULL; - } - - if (dev_priv->vbt.drrs_type != SEAMLESS_DRRS_SUPPORT) { - drm_dbg_kms(&dev_priv->drm, "VBT doesn't support DRRS\n"); - return NULL; - } - - downclock_mode = intel_panel_edid_downclock_mode(connector, fixed_mode); - if (!downclock_mode) { - drm_dbg_kms(&dev_priv->drm, - "Downclock mode is not found. DRRS not supported\n"); - return NULL; - } - - dev_priv->drrs.type = dev_priv->vbt.drrs_type; - - dev_priv->drrs.refresh_rate_type = DRRS_HIGH_RR; - drm_dbg_kms(&dev_priv->drm, - "seamless DRRS supported for eDP panel.\n"); - return downclock_mode; -} - static bool intel_edp_init_connector(struct intel_dp *intel_dp, struct intel_connector *intel_connector) { @@ -5197,7 +4858,10 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, fixed_mode = intel_panel_edid_fixed_mode(intel_connector); if (fixed_mode) - downclock_mode = intel_dp_drrs_init(intel_connector, fixed_mode); + downclock_mode = intel_drrs_init(intel_connector, fixed_mode); + + /* MSO requires information from the EDID */ + intel_edp_mso_init(intel_dp); /* multiply the mode clock and horizontal timings for MSO */ intel_edp_mso_mode_fixup(intel_connector, fixed_mode); @@ -5230,7 +4894,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); if (!(dev_priv->quirks & QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK)) intel_connector->panel.backlight.power = intel_pps_backlight_power; - intel_panel_setup_backlight(connector, pipe); + intel_backlight_setup(intel_connector, pipe); if (fixed_mode) { drm_connector_set_panel_orientation_with_quirk(connector, @@ -5292,8 +4956,6 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, intel_encoder->base.name)) return false; - intel_dp_set_source_rates(intel_dp); - intel_dp->reset_link_params = true; intel_dp->pps.pps_pipe = INVALID_PIPE; intel_dp->pps.active_pipe = INVALID_PIPE; @@ -5309,28 +4971,22 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, */ drm_WARN_ON(dev, intel_phy_is_tc(dev_priv, phy)); type = DRM_MODE_CONNECTOR_eDP; + intel_encoder->type = INTEL_OUTPUT_EDP; + + /* eDP only on port B and/or C on vlv/chv */ + if (drm_WARN_ON(dev, (IS_VALLEYVIEW(dev_priv) || + IS_CHERRYVIEW(dev_priv)) && + port != PORT_B && port != PORT_C)) + return false; } else { type = DRM_MODE_CONNECTOR_DisplayPort; } + intel_dp_set_source_rates(intel_dp); + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp); - /* - * For eDP we always set the encoder type to INTEL_OUTPUT_EDP, but - * for DP the encoder type can be set by the caller to - * INTEL_OUTPUT_UNKNOWN for DDI, so don't rewrite it. - */ - if (type == DRM_MODE_CONNECTOR_eDP) - intel_encoder->type = INTEL_OUTPUT_EDP; - - /* eDP only on port B and/or C on vlv/chv */ - if (drm_WARN_ON(dev, (IS_VALLEYVIEW(dev_priv) || - IS_CHERRYVIEW(dev_priv)) && - intel_dp_is_edp(intel_dp) && - port != PORT_B && port != PORT_C)) - return false; - drm_dbg_kms(&dev_priv->drm, "Adding %s connector on [ENCODER:%d:%s]\n", type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP", diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 680631b5b437..ce229026dc91 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -26,7 +26,7 @@ struct intel_dp; struct intel_encoder; struct link_config_limits { - int min_clock, max_clock; + int min_rate, max_rate; int min_lane_count, max_lane_count; int min_bpp, max_bpp; }; @@ -58,6 +58,7 @@ int intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state); bool intel_dp_is_edp(struct intel_dp *intel_dp); +bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state); bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port); enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd); @@ -70,25 +71,14 @@ int intel_dp_max_link_rate(struct intel_dp *intel_dp); int intel_dp_max_lane_count(struct intel_dp *intel_dp); int intel_dp_rate_select(struct intel_dp *intel_dp, int rate); -void intel_edp_drrs_enable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -void intel_edp_drrs_disable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -void intel_edp_drrs_update(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits); -void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits); - void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, u8 *link_bw, u8 *rate_select); -bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); -bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp); +bool intel_dp_source_supports_tps3(struct drm_i915_private *i915); +bool intel_dp_source_supports_tps4(struct drm_i915_private *i915); bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp); int intel_dp_link_required(int pixel_clock, int bpp); -int intel_dp_max_data_rate(int max_link_clock, int max_lanes); +int intel_dp_max_data_rate(int max_link_rate, int max_lanes); bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp); bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); @@ -98,7 +88,7 @@ void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp, struct drm_dp_vsc_sdp *vsc); void intel_write_dp_vsc_sdp(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, - struct drm_dp_vsc_sdp *vsc); + const struct drm_dp_vsc_sdp *vsc); void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index f483f479dd0b..5fbb767fcd63 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -150,9 +150,6 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, u32 unused) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *i915 = - to_i915(dig_port->base.base.dev); - enum phy phy = intel_port_to_phy(i915, dig_port->base.port); u32 ret; /* @@ -170,8 +167,7 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | DP_AUX_CH_CTL_SYNC_PULSE_SKL(32); - if (intel_phy_is_tc(i915, phy) && - dig_port->tc_mode == TC_PORT_TBT_ALT) + if (intel_tc_port_in_tbt_alt_mode(dig_port)) ret |= DP_AUX_CH_CTL_TBT_IO; return ret; diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c index 6ac568617ef3..569d17b4d00f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c @@ -34,9 +34,9 @@ * for some reason. */ +#include "intel_backlight.h" #include "intel_display_types.h" #include "intel_dp_aux_backlight.h" -#include "intel_panel.h" /* TODO: * Implement HDR, right now we just implement the bare minimum to bring us back into SDR mode so we @@ -146,7 +146,7 @@ intel_dp_aux_hdr_get_backlight(struct intel_connector *connector, enum pipe pipe if (!panel->backlight.edp.intel.sdr_uses_aux) { u32 pwm_level = panel->backlight.pwm_funcs->get(connector, pipe); - return intel_panel_backlight_level_from_pwm(connector, pwm_level); + return intel_backlight_level_from_pwm(connector, pwm_level); } /* Assume 100% brightness if backlight controls aren't enabled yet */ @@ -187,9 +187,9 @@ intel_dp_aux_hdr_set_backlight(const struct drm_connector_state *conn_state, u32 if (panel->backlight.edp.intel.sdr_uses_aux) { intel_dp_aux_hdr_set_aux_backlight(conn_state, level); } else { - const u32 pwm_level = intel_panel_backlight_level_to_pwm(connector, level); + const u32 pwm_level = intel_backlight_level_to_pwm(connector, level); - intel_panel_set_pwm_level(conn_state, pwm_level); + intel_backlight_set_pwm_level(conn_state, pwm_level); } } @@ -215,7 +215,7 @@ intel_dp_aux_hdr_enable_backlight(const struct intel_crtc_state *crtc_state, ctrl |= INTEL_EDP_HDR_TCON_BRIGHTNESS_AUX_ENABLE; intel_dp_aux_hdr_set_aux_backlight(conn_state, level); } else { - u32 pwm_level = intel_panel_backlight_level_to_pwm(connector, level); + u32 pwm_level = intel_backlight_level_to_pwm(connector, level); panel->backlight.pwm_funcs->enable(crtc_state, conn_state, pwm_level); @@ -238,7 +238,7 @@ intel_dp_aux_hdr_disable_backlight(const struct drm_connector_state *conn_state, return; /* Note we want the actual pwm_level to be 0, regardless of pwm_min */ - panel->backlight.pwm_funcs->disable(conn_state, intel_panel_invert_pwm_level(connector, 0)); + panel->backlight.pwm_funcs->disable(conn_state, intel_backlight_invert_pwm_level(connector, 0)); } static int diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c index d697d169e8c1..540a669e01dd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c @@ -446,8 +446,6 @@ static int intel_dp_hdcp2_write_msg(struct intel_digital_port *dig_port, void *buf, size_t size) { - struct intel_dp *dp = &dig_port->dp; - struct intel_hdcp *hdcp = &dp->attached_connector->hdcp; unsigned int offset; u8 *byte = buf; ssize_t ret, bytes_to_write, len; @@ -463,8 +461,6 @@ int intel_dp_hdcp2_write_msg(struct intel_digital_port *dig_port, bytes_to_write = size - 1; byte++; - hdcp->cp_irq_count_cached = atomic_read(&hdcp->cp_irq_count); - while (bytes_to_write) { len = bytes_to_write > DP_AUX_MAX_PAYLOAD_BYTES ? DP_AUX_MAX_PAYLOAD_BYTES : bytes_to_write; @@ -482,29 +478,11 @@ int intel_dp_hdcp2_write_msg(struct intel_digital_port *dig_port, return size; } -static int -get_rxinfo_hdcp_1_dev_downstream(struct intel_digital_port *dig_port, bool *hdcp_1_x) -{ - u8 rx_info[HDCP_2_2_RXINFO_LEN]; - int ret; - - ret = drm_dp_dpcd_read(&dig_port->dp.aux, - DP_HDCP_2_2_REG_RXINFO_OFFSET, - (void *)rx_info, HDCP_2_2_RXINFO_LEN); - - if (ret != HDCP_2_2_RXINFO_LEN) - return ret >= 0 ? -EIO : ret; - - *hdcp_1_x = HDCP_2_2_HDCP1_DEVICE_CONNECTED(rx_info[1]) ? true : false; - return 0; -} - static -ssize_t get_receiver_id_list_size(struct intel_digital_port *dig_port) +ssize_t get_receiver_id_list_rx_info(struct intel_digital_port *dig_port, u32 *dev_cnt, u8 *byte) { - u8 rx_info[HDCP_2_2_RXINFO_LEN]; - u32 dev_cnt; ssize_t ret; + u8 *rx_info = byte; ret = drm_dp_dpcd_read(&dig_port->dp.aux, DP_HDCP_2_2_REG_RXINFO_OFFSET, @@ -512,15 +490,11 @@ ssize_t get_receiver_id_list_size(struct intel_digital_port *dig_port) if (ret != HDCP_2_2_RXINFO_LEN) return ret >= 0 ? -EIO : ret; - dev_cnt = (HDCP_2_2_DEV_COUNT_HI(rx_info[0]) << 4 | + *dev_cnt = (HDCP_2_2_DEV_COUNT_HI(rx_info[0]) << 4 | HDCP_2_2_DEV_COUNT_LO(rx_info[1])); - if (dev_cnt > HDCP_2_2_MAX_DEVICE_COUNT) - dev_cnt = HDCP_2_2_MAX_DEVICE_COUNT; - - ret = sizeof(struct hdcp2_rep_send_receiverid_list) - - HDCP_2_2_RECEIVER_IDS_MAX_LEN + - (dev_cnt * HDCP_2_2_RECEIVER_ID_LEN); + if (*dev_cnt > HDCP_2_2_MAX_DEVICE_COUNT) + *dev_cnt = HDCP_2_2_MAX_DEVICE_COUNT; return ret; } @@ -530,12 +504,15 @@ int intel_dp_hdcp2_read_msg(struct intel_digital_port *dig_port, u8 msg_id, void *buf, size_t size) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + struct intel_dp *dp = &dig_port->dp; + struct intel_hdcp *hdcp = &dp->attached_connector->hdcp; unsigned int offset; u8 *byte = buf; ssize_t ret, bytes_to_recv, len; const struct hdcp2_dp_msg_data *hdcp2_msg_data; ktime_t msg_end = ktime_set(0, 0); bool msg_expired; + u32 dev_cnt; hdcp2_msg_data = get_hdcp2_dp_msg_data(msg_id); if (!hdcp2_msg_data) @@ -546,17 +523,24 @@ int intel_dp_hdcp2_read_msg(struct intel_digital_port *dig_port, if (ret < 0) return ret; + hdcp->cp_irq_count_cached = atomic_read(&hdcp->cp_irq_count); + + /* DP adaptation msgs has no msg_id */ + byte++; + if (msg_id == HDCP_2_2_REP_SEND_RECVID_LIST) { - ret = get_receiver_id_list_size(dig_port); + ret = get_receiver_id_list_rx_info(dig_port, &dev_cnt, byte); if (ret < 0) return ret; - size = ret; + byte += ret; + size = sizeof(struct hdcp2_rep_send_receiverid_list) - + HDCP_2_2_RXINFO_LEN - HDCP_2_2_RECEIVER_IDS_MAX_LEN + + (dev_cnt * HDCP_2_2_RECEIVER_ID_LEN); + offset += HDCP_2_2_RXINFO_LEN; } - bytes_to_recv = size - 1; - /* DP adaptation msgs has no msg_id */ - byte++; + bytes_to_recv = size - 1; while (bytes_to_recv) { len = bytes_to_recv > DP_AUX_MAX_PAYLOAD_BYTES ? @@ -664,27 +648,6 @@ int intel_dp_hdcp2_capable(struct intel_digital_port *dig_port, return 0; } -static -int intel_dp_mst_streams_type1_capable(struct intel_connector *connector, - bool *capable) -{ - struct intel_digital_port *dig_port = intel_attached_dig_port(connector); - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - int ret; - bool hdcp_1_x; - - ret = get_rxinfo_hdcp_1_dev_downstream(dig_port, &hdcp_1_x); - if (ret) { - drm_dbg_kms(&i915->drm, - "[%s:%d] failed to read RxInfo ret=%d\n", - connector->base.name, connector->base.base.id, ret); - return ret; - } - - *capable = !hdcp_1_x; - return 0; -} - static const struct intel_hdcp_shim intel_dp_hdcp_shim = { .write_an_aksv = intel_dp_hdcp_write_an_aksv, .read_bksv = intel_dp_hdcp_read_bksv, @@ -833,7 +796,6 @@ static const struct intel_hdcp_shim intel_dp_mst_hdcp_shim = { .stream_2_2_encryption = intel_dp_mst_hdcp2_stream_encryption, .check_2_2_link = intel_dp_mst_hdcp2_check_link, .hdcp_2_2_capable = intel_dp_hdcp2_capable, - .streams_type1_capable = intel_dp_mst_streams_type1_capable, .protocol = HDCP_PROTOCOL_DP, }; diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 508a514c5e37..c052ce14894d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -301,21 +301,33 @@ static u8 intel_dp_phy_preemph_max(struct intel_dp *intel_dp, return preemph_max; } -void -intel_dp_get_adjust_train(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - enum drm_dp_phy dp_phy, - const u8 link_status[DP_LINK_STATUS_SIZE]) +static bool has_per_lane_signal_levels(struct intel_dp *intel_dp, + enum drm_dp_phy dp_phy) +{ + return !intel_dp_phy_is_downstream_of_source(intel_dp, dp_phy); +} + +static u8 intel_dp_get_lane_adjust_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + enum drm_dp_phy dp_phy, + const u8 link_status[DP_LINK_STATUS_SIZE], + int lane) { u8 v = 0; u8 p = 0; - int lane; u8 voltage_max; u8 preemph_max; - for (lane = 0; lane < crtc_state->lane_count; lane++) { - v = max(v, drm_dp_get_adjust_request_voltage(link_status, lane)); - p = max(p, drm_dp_get_adjust_request_pre_emphasis(link_status, lane)); + if (has_per_lane_signal_levels(intel_dp, dp_phy)) { + lane = min(lane, crtc_state->lane_count - 1); + + v = drm_dp_get_adjust_request_voltage(link_status, lane); + p = drm_dp_get_adjust_request_pre_emphasis(link_status, lane); + } else { + for (lane = 0; lane < crtc_state->lane_count; lane++) { + v = max(v, drm_dp_get_adjust_request_voltage(link_status, lane)); + p = max(p, drm_dp_get_adjust_request_pre_emphasis(link_status, lane)); + } } preemph_max = intel_dp_phy_preemph_max(intel_dp, dp_phy); @@ -328,8 +340,21 @@ intel_dp_get_adjust_train(struct intel_dp *intel_dp, if (v >= voltage_max) v = voltage_max | DP_TRAIN_MAX_SWING_REACHED; + return v | p; +} + +void +intel_dp_get_adjust_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + enum drm_dp_phy dp_phy, + const u8 link_status[DP_LINK_STATUS_SIZE]) +{ + int lane; + for (lane = 0; lane < 4; lane++) - intel_dp->train_set[lane] = v | p; + intel_dp->train_set[lane] = + intel_dp_get_lane_adjust_train(intel_dp, crtc_state, + dp_phy, link_status, lane); } static int intel_dp_training_pattern_set_reg(struct intel_dp *intel_dp, @@ -394,25 +419,43 @@ intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, intel_dp->set_link_train(intel_dp, crtc_state, dp_train_pat); } +#define TRAIN_SET_FMT "%d%s/%d%s/%d%s/%d%s" +#define _TRAIN_SET_VSWING_ARGS(train_set) \ + ((train_set) & DP_TRAIN_VOLTAGE_SWING_MASK) >> DP_TRAIN_VOLTAGE_SWING_SHIFT, \ + (train_set) & DP_TRAIN_MAX_SWING_REACHED ? "(max)" : "" +#define TRAIN_SET_VSWING_ARGS(train_set) \ + _TRAIN_SET_VSWING_ARGS((train_set)[0]), \ + _TRAIN_SET_VSWING_ARGS((train_set)[1]), \ + _TRAIN_SET_VSWING_ARGS((train_set)[2]), \ + _TRAIN_SET_VSWING_ARGS((train_set)[3]) +#define _TRAIN_SET_PREEMPH_ARGS(train_set) \ + ((train_set) & DP_TRAIN_PRE_EMPHASIS_MASK) >> DP_TRAIN_PRE_EMPHASIS_SHIFT, \ + (train_set) & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? "(max)" : "" +#define TRAIN_SET_PREEMPH_ARGS(train_set) \ + _TRAIN_SET_PREEMPH_ARGS((train_set)[0]), \ + _TRAIN_SET_PREEMPH_ARGS((train_set)[1]), \ + _TRAIN_SET_PREEMPH_ARGS((train_set)[2]), \ + _TRAIN_SET_PREEMPH_ARGS((train_set)[3]) + void intel_dp_set_signal_levels(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, enum drm_dp_phy dp_phy) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u8 train_set = intel_dp->train_set[0]; + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); char phy_name[10]; - drm_dbg_kms(&dev_priv->drm, "Using vswing level %d%s, pre-emphasis level %d%s, at %s\n", - train_set & DP_TRAIN_VOLTAGE_SWING_MASK, - train_set & DP_TRAIN_MAX_SWING_REACHED ? " (max)" : "", - (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) >> - DP_TRAIN_PRE_EMPHASIS_SHIFT, - train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? - " (max)" : "", + drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] lanes: %d, " + "vswing levels: " TRAIN_SET_FMT ", " + "pre-emphasis levels: " TRAIN_SET_FMT ", at %s\n", + encoder->base.base.id, encoder->base.name, + crtc_state->lane_count, + TRAIN_SET_VSWING_ARGS(intel_dp->train_set), + TRAIN_SET_PREEMPH_ARGS(intel_dp->train_set), intel_dp_phy_name(dp_phy, phy_name, sizeof(phy_name))); if (intel_dp_phy_is_downstream_of_source(intel_dp, dp_phy)) - intel_dp->set_signal_levels(intel_dp, crtc_state); + encoder->set_signal_levels(encoder, crtc_state); } static bool @@ -495,11 +538,10 @@ intel_dp_prepare_link_train(struct intel_dp *intel_dp, &rate_select, 1); link_config[0] = crtc_state->vrr.enable ? DP_MSA_TIMING_PAR_IGNORE_EN : 0; - link_config[1] = DP_SET_ANSI_8B10B; + link_config[1] = intel_dp_is_uhbr(crtc_state) ? + DP_SET_ANSI_128B132B : DP_SET_ANSI_8B10B; drm_dp_dpcd_write(&intel_dp->aux, DP_DOWNSPREAD_CTRL, link_config, 2); - intel_dp->DP |= DP_PORT_EN; - return true; } @@ -512,6 +554,25 @@ static void intel_dp_link_training_clock_recovery_delay(struct intel_dp *intel_d drm_dp_lttpr_link_train_clock_recovery_delay(); } +static bool intel_dp_adjust_request_changed(int lane_count, + const u8 old_link_status[DP_LINK_STATUS_SIZE], + const u8 new_link_status[DP_LINK_STATUS_SIZE]) +{ + int lane; + + for (lane = 0; lane < lane_count; lane++) { + u8 old = drm_dp_get_adjust_request_voltage(old_link_status, lane) | + drm_dp_get_adjust_request_pre_emphasis(old_link_status, lane); + u8 new = drm_dp_get_adjust_request_voltage(new_link_status, lane) | + drm_dp_get_adjust_request_pre_emphasis(new_link_status, lane); + + if (old != new) + return true; + } + + return false; +} + /* * Perform the link training clock recovery phase on the given DP PHY using * training pattern 1. @@ -522,7 +583,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp, enum drm_dp_phy dp_phy) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 voltage; + u8 old_link_status[DP_LINK_STATUS_SIZE] = {}; int voltage_tries, cr_tries, max_cr_tries; bool max_vswing_reached = false; @@ -575,8 +636,6 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp, return false; } - voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK; - /* Update training set as requested by target */ intel_dp_get_adjust_train(intel_dp, crtc_state, dp_phy, link_status); @@ -586,12 +645,14 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp, return false; } - if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == - voltage) + if (!intel_dp_adjust_request_changed(crtc_state->lane_count, + old_link_status, link_status)) ++voltage_tries; else voltage_tries = 1; + memcpy(old_link_status, link_status, sizeof(link_status)); + if (intel_dp_link_max_vswing_reached(intel_dp, crtc_state)) max_vswing_reached = true; @@ -602,52 +663,56 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp, } /* - * Pick training pattern for channel equalization. Training pattern 4 for HBR3 - * or for 1.4 devices that support it, training Pattern 3 for HBR2 - * or 1.2 devices that support it, Training Pattern 2 otherwise. + * Pick Training Pattern Sequence (TPS) for channel equalization. 128b/132b TPS2 + * for UHBR+, TPS4 for HBR3 or for 1.4 devices that support it, TPS3 for HBR2 or + * 1.2 devices that support it, TPS2 otherwise. */ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, enum drm_dp_phy dp_phy) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); bool source_tps3, sink_tps3, source_tps4, sink_tps4; + /* UHBR+ use separate 128b/132b TPS2 */ + if (intel_dp_is_uhbr(crtc_state)) + return DP_TRAINING_PATTERN_2; + /* - * Intel platforms that support HBR3 also support TPS4. It is mandatory - * for all downstream devices that support HBR3. There are no known eDP - * panels that support TPS4 as of Feb 2018 as per VESA eDP_v1.4b_E1 - * specification. + * TPS4 support is mandatory for all downstream devices that + * support HBR3. There are no known eDP panels that support + * TPS4 as of Feb 2018 as per VESA eDP_v1.4b_E1 specification. * LTTPRs must support TPS4. */ - source_tps4 = intel_dp_source_supports_hbr3(intel_dp); + source_tps4 = intel_dp_source_supports_tps4(i915); sink_tps4 = dp_phy != DP_PHY_DPRX || drm_dp_tps4_supported(intel_dp->dpcd); if (source_tps4 && sink_tps4) { return DP_TRAINING_PATTERN_4; } else if (crtc_state->port_clock == 810000) { if (!source_tps4) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, - "8.1 Gbps link rate without source HBR3/TPS4 support\n"); + drm_dbg_kms(&i915->drm, + "8.1 Gbps link rate without source TPS4 support\n"); if (!sink_tps4) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, + drm_dbg_kms(&i915->drm, "8.1 Gbps link rate without sink TPS4 support\n"); } + /* - * Intel platforms that support HBR2 also support TPS3. TPS3 support is - * also mandatory for downstream devices that support HBR2. However, not - * all sinks follow the spec. + * TPS3 support is mandatory for downstream devices that + * support HBR2. However, not all sinks follow the spec. */ - source_tps3 = intel_dp_source_supports_hbr2(intel_dp); + source_tps3 = intel_dp_source_supports_tps3(i915); sink_tps3 = dp_phy != DP_PHY_DPRX || drm_dp_tps3_supported(intel_dp->dpcd); if (source_tps3 && sink_tps3) { return DP_TRAINING_PATTERN_3; } else if (crtc_state->port_clock >= 540000) { if (!source_tps3) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, - ">=5.4/6.48 Gbps link rate without source HBR2/TPS3 support\n"); + drm_dbg_kms(&i915->drm, + ">=5.4/6.48 Gbps link rate without source TPS3 support\n"); if (!sink_tps3) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, + drm_dbg_kms(&i915->drm, ">=5.4/6.48 Gbps link rate without sink TPS3 support\n"); } diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 8d13d7b26a25..fd0a31bc3dcd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -61,7 +61,7 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, int bpp, slots = -EINVAL; crtc_state->lane_count = limits->max_lane_count; - crtc_state->port_clock = limits->max_clock; + crtc_state->port_clock = limits->max_rate; for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) { crtc_state->pipe_bpp = bpp; @@ -131,8 +131,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, * for MST we always configure max link bw - the spec doesn't * seem to suggest we should do otherwise. */ - limits.min_clock = - limits.max_clock = intel_dp_max_link_rate(intel_dp); + limits.min_rate = + limits.max_rate = intel_dp_max_link_rate(intel_dp); limits.min_lane_count = limits.max_lane_count = intel_dp_max_lane_count(intel_dp); @@ -396,7 +396,6 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state, to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); bool last_mst_stream; - u32 val; intel_dp->active_mst_links--; last_mst_stream = intel_dp->active_mst_links == 0; @@ -406,18 +405,14 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state, intel_crtc_vblank_off(old_crtc_state); - intel_disable_pipe(old_crtc_state); + intel_disable_transcoder(old_crtc_state); drm_dp_update_payload_part2(&intel_dp->mst_mgr); clear_act_sent(encoder, old_crtc_state); - val = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder)); - val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - intel_de_write(dev_priv, - TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), - val); + intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), + TRANS_DDI_DP_VC_PAYLOAD_ALLOC, 0); wait_for_act_sent(encoder, old_crtc_state); @@ -555,6 +550,17 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state, clear_act_sent(encoder, pipe_config); + if (intel_dp_is_uhbr(pipe_config)) { + const struct drm_display_mode *adjusted_mode = + &pipe_config->hw.adjusted_mode; + u64 crtc_clock_hz = KHz(adjusted_mode->crtc_clock); + + intel_de_write(dev_priv, TRANS_DP2_VFREQHIGH(pipe_config->cpu_transcoder), + TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz >> 24)); + intel_de_write(dev_priv, TRANS_DP2_VFREQLOW(pipe_config->cpu_transcoder), + TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz & 0xffffff)); + } + intel_ddi_enable_transcoder_func(encoder, pipe_config); intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(trans), 0, @@ -571,7 +577,7 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state, intel_de_rmw(dev_priv, CHICKEN_TRANS(trans), 0, FECSTALL_DIS_DPTSTREAM_DPTTG); - intel_enable_pipe(pipe_config); + intel_enable_transcoder(pipe_config); intel_crtc_vblank_on(pipe_config); diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c index 48507ed79950..5a2eccb12fe4 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c @@ -23,6 +23,8 @@ #include "display/intel_dp.h" +#include "intel_ddi.h" +#include "intel_ddi_buf_trans.h" #include "intel_de.h" #include "intel_display_types.h" #include "intel_dpio_phy.h" @@ -266,15 +268,22 @@ void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port, *ch = DPIO_CH0; } -void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, - enum port port, u32 margin, u32 scale, - u32 enable, u32 deemphasis) +void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - u32 val; - enum dpio_phy phy; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + int level = intel_ddi_level(encoder, crtc_state, 0); + const struct intel_ddi_buf_trans *trans; enum dpio_channel ch; + enum dpio_phy phy; + int n_entries; + u32 val; - bxt_port_to_phy_channel(dev_priv, port, &phy, &ch); + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) + return; + + bxt_port_to_phy_channel(dev_priv, encoder->port, &phy, &ch); /* * While we write to the group register to program all lanes at once we @@ -286,12 +295,13 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, val = intel_de_read(dev_priv, BXT_PORT_TX_DW2_LN0(phy, ch)); val &= ~(MARGIN_000 | UNIQ_TRANS_SCALE); - val |= margin << MARGIN_000_SHIFT | scale << UNIQ_TRANS_SCALE_SHIFT; + val |= trans->entries[level].bxt.margin << MARGIN_000_SHIFT | + trans->entries[level].bxt.scale << UNIQ_TRANS_SCALE_SHIFT; intel_de_write(dev_priv, BXT_PORT_TX_DW2_GRP(phy, ch), val); val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN0(phy, ch)); val &= ~SCALE_DCOMP_METHOD; - if (enable) + if (trans->entries[level].bxt.enable) val |= SCALE_DCOMP_METHOD; if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD)) @@ -302,7 +312,7 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, val = intel_de_read(dev_priv, BXT_PORT_TX_DW4_LN0(phy, ch)); val &= ~DE_EMPHASIS; - val |= deemphasis << DEEMPH_SHIFT; + val |= trans->entries[level].bxt.deemphasis << DEEMPH_SHIFT; intel_de_write(dev_priv, BXT_PORT_TX_DW4_GRP(phy, ch), val); val = intel_de_read(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch)); diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.h b/drivers/gpu/drm/i915/display/intel_dpio_phy.h index 6473440e7457..9c3d008e8e1a 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.h +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.h @@ -17,9 +17,8 @@ struct intel_encoder; void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port, enum dpio_phy *phy, enum dpio_channel *ch); -void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, - enum port port, u32 margin, u32 scale, - u32 enable, u32 deemphasis); +void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy); void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy); bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c index 14515e62c05e..b84ed4a1bd95 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.c +++ b/drivers/gpu/drm/i915/display/intel_dpll.c @@ -2,16 +2,19 @@ /* * Copyright © 2020 Intel Corporation */ + #include <linux/kernel.h> + #include "intel_crtc.h" #include "intel_de.h" -#include "intel_display_types.h" #include "intel_display.h" +#include "intel_display_types.h" #include "intel_dpll.h" #include "intel_lvds.h" #include "intel_panel.h" +#include "intel_pps.h" #include "intel_sideband.h" -#include "display/intel_snps_phy.h" +#include "intel_snps_phy.h" struct intel_limit { struct { @@ -309,7 +312,7 @@ int pnv_calc_dpll_params(int refclk, struct dpll *clock) return clock->dot; } -static u32 i9xx_dpll_compute_m(struct dpll *dpll) +static u32 i9xx_dpll_compute_m(const struct dpll *dpll) { return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); } @@ -428,7 +431,8 @@ i9xx_select_p2_div(const struct intel_limit *limit, static bool i9xx_find_best_dpll(const struct intel_limit *limit, struct intel_crtc_state *crtc_state, - int target, int refclk, struct dpll *match_clock, + int target, int refclk, + const struct dpll *match_clock, struct dpll *best_clock) { struct drm_device *dev = crtc_state->uapi.crtc->dev; @@ -486,7 +490,8 @@ i9xx_find_best_dpll(const struct intel_limit *limit, static bool pnv_find_best_dpll(const struct intel_limit *limit, struct intel_crtc_state *crtc_state, - int target, int refclk, struct dpll *match_clock, + int target, int refclk, + const struct dpll *match_clock, struct dpll *best_clock) { struct drm_device *dev = crtc_state->uapi.crtc->dev; @@ -542,7 +547,8 @@ pnv_find_best_dpll(const struct intel_limit *limit, static bool g4x_find_best_dpll(const struct intel_limit *limit, struct intel_crtc_state *crtc_state, - int target, int refclk, struct dpll *match_clock, + int target, int refclk, + const struct dpll *match_clock, struct dpll *best_clock) { struct drm_device *dev = crtc_state->uapi.crtc->dev; @@ -636,7 +642,8 @@ static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, static bool vlv_find_best_dpll(const struct intel_limit *limit, struct intel_crtc_state *crtc_state, - int target, int refclk, struct dpll *match_clock, + int target, int refclk, + const struct dpll *match_clock, struct dpll *best_clock) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -696,7 +703,8 @@ vlv_find_best_dpll(const struct intel_limit *limit, static bool chv_find_best_dpll(const struct intel_limit *limit, struct intel_crtc_state *crtc_state, - int target, int refclk, struct dpll *match_clock, + int target, int refclk, + const struct dpll *match_clock, struct dpll *best_clock) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -763,47 +771,45 @@ bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, NULL, best_clock); } -static u32 pnv_dpll_compute_fp(struct dpll *dpll) +u32 i9xx_dpll_compute_fp(const struct dpll *dpll) +{ + return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; +} + +static u32 pnv_dpll_compute_fp(const struct dpll *dpll) { return (1 << dpll->n) << 16 | dpll->m2; } -static void i9xx_update_pll_dividers(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct dpll *reduced_clock) +static void i9xx_update_pll_dividers(struct intel_crtc_state *crtc_state, + const struct dpll *clock, + const struct dpll *reduced_clock) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - u32 fp, fp2 = 0; + u32 fp, fp2; if (IS_PINEVIEW(dev_priv)) { - fp = pnv_dpll_compute_fp(&crtc_state->dpll); - if (reduced_clock) - fp2 = pnv_dpll_compute_fp(reduced_clock); + fp = pnv_dpll_compute_fp(clock); + fp2 = pnv_dpll_compute_fp(reduced_clock); } else { - fp = i9xx_dpll_compute_fp(&crtc_state->dpll); - if (reduced_clock) - fp2 = i9xx_dpll_compute_fp(reduced_clock); + fp = i9xx_dpll_compute_fp(clock); + fp2 = i9xx_dpll_compute_fp(reduced_clock); } crtc_state->dpll_hw_state.fp0 = fp; - - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && - reduced_clock) { - crtc_state->dpll_hw_state.fp1 = fp2; - } else { - crtc_state->dpll_hw_state.fp1 = fp; - } + crtc_state->dpll_hw_state.fp1 = fp2; } -static void i9xx_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct dpll *reduced_clock) +static void i9xx_compute_dpll(struct intel_crtc_state *crtc_state, + const struct dpll *clock, + const struct dpll *reduced_clock) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); u32 dpll; - struct dpll *clock = &crtc_state->dpll; - i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); + i9xx_update_pll_dividers(crtc_state, clock, reduced_clock); dpll = DPLL_VGA_MODE_DIS; @@ -826,13 +832,17 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc, dpll |= DPLL_SDVO_HIGH_SPEED; /* compute bitmask from p1 value */ - if (IS_PINEVIEW(dev_priv)) + if (IS_G4X(dev_priv)) { + dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; + dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; + } else if (IS_PINEVIEW(dev_priv)) { dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; - else { + WARN_ON(reduced_clock->p1 != clock->p1); + } else { dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; - if (IS_G4X(dev_priv) && reduced_clock) - dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; + WARN_ON(reduced_clock->p1 != clock->p1); } + switch (clock->p2) { case 5: dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; @@ -847,6 +857,8 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc, dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; break; } + WARN_ON(reduced_clock->p2 != clock->p2); + if (DISPLAY_VER(dev_priv) >= 4) dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); @@ -868,16 +880,15 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc, } } -static void i8xx_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct dpll *reduced_clock) +static void i8xx_compute_dpll(struct intel_crtc_state *crtc_state, + const struct dpll *clock, + const struct dpll *reduced_clock) { - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); u32 dpll; - struct dpll *clock = &crtc_state->dpll; - i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); + i9xx_update_pll_dividers(crtc_state, clock, reduced_clock); dpll = DPLL_VGA_MODE_DIS; @@ -891,6 +902,8 @@ static void i8xx_compute_dpll(struct intel_crtc *crtc, if (clock->p2 == 4) dpll |= PLL_P2_DIVIDE_BY_4; } + WARN_ON(reduced_clock->p1 != clock->p1); + WARN_ON(reduced_clock->p2 != clock->p2); /* * Bspec: @@ -918,42 +931,44 @@ static void i8xx_compute_dpll(struct intel_crtc *crtc, crtc_state->dpll_hw_state.dpll = dpll; } -static int hsw_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int hsw_crtc_compute_clock(struct intel_crtc_state *crtc_state) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->uapi.state); struct intel_encoder *encoder = intel_get_crtc_new_encoder(state, crtc_state); - if (IS_DG2(dev_priv)) { + if (IS_DG2(dev_priv)) return intel_mpllb_calc_state(crtc_state, encoder); - } else if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) || - DISPLAY_VER(dev_priv) >= 11) { - if (!intel_reserve_shared_dplls(state, crtc, encoder)) { - drm_dbg_kms(&dev_priv->drm, - "failed to find PLL for pipe %c\n", - pipe_name(crtc->pipe)); - return -EINVAL; - } + + if (DISPLAY_VER(dev_priv) < 11 && + intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) + return 0; + + if (!intel_reserve_shared_dplls(state, crtc, encoder)) { + drm_dbg_kms(&dev_priv->drm, + "failed to find PLL for pipe %c\n", + pipe_name(crtc->pipe)); + return -EINVAL; } return 0; } -static bool ilk_needs_fb_cb_tune(struct dpll *dpll, int factor) +static bool ilk_needs_fb_cb_tune(const struct dpll *dpll, int factor) { - return i9xx_dpll_compute_m(dpll) < factor * dpll->n; + return dpll->m < factor * dpll->n; } - -static void ilk_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct dpll *reduced_clock) +static void ilk_update_pll_dividers(struct intel_crtc_state *crtc_state, + const struct dpll *clock, + const struct dpll *reduced_clock) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - u32 dpll, fp, fp2; + u32 fp, fp2; int factor; /* Enable autotuning of the PLL clock (if permissible) */ @@ -968,19 +983,27 @@ static void ilk_compute_dpll(struct intel_crtc *crtc, factor = 20; } - fp = i9xx_dpll_compute_fp(&crtc_state->dpll); - - if (ilk_needs_fb_cb_tune(&crtc_state->dpll, factor)) + fp = i9xx_dpll_compute_fp(clock); + if (ilk_needs_fb_cb_tune(clock, factor)) fp |= FP_CB_TUNE; - if (reduced_clock) { - fp2 = i9xx_dpll_compute_fp(reduced_clock); + fp2 = i9xx_dpll_compute_fp(reduced_clock); + if (ilk_needs_fb_cb_tune(reduced_clock, factor)) + fp2 |= FP_CB_TUNE; - if (reduced_clock->m < factor * reduced_clock->n) - fp2 |= FP_CB_TUNE; - } else { - fp2 = fp; - } + crtc_state->dpll_hw_state.fp0 = fp; + crtc_state->dpll_hw_state.fp1 = fp2; +} + +static void ilk_compute_dpll(struct intel_crtc_state *crtc_state, + const struct dpll *clock, + const struct dpll *reduced_clock) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + u32 dpll; + + ilk_update_pll_dividers(crtc_state, clock, reduced_clock); dpll = 0; @@ -1018,11 +1041,11 @@ static void ilk_compute_dpll(struct intel_crtc *crtc, dpll |= DPLL_SDVO_HIGH_SPEED; /* compute bitmask from p1 value */ - dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; + dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; /* also FPA1 */ - dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; + dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; - switch (crtc_state->dpll.p2) { + switch (clock->p2) { case 5: dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; break; @@ -1036,6 +1059,7 @@ static void ilk_compute_dpll(struct intel_crtc *crtc, dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; break; } + WARN_ON(reduced_clock->p2 != clock->p2); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && intel_panel_use_ssc(dev_priv)) @@ -1046,13 +1070,11 @@ static void ilk_compute_dpll(struct intel_crtc *crtc, dpll |= DPLL_VCO_ENABLE; crtc_state->dpll_hw_state.dpll = dpll; - crtc_state->dpll_hw_state.fp0 = fp; - crtc_state->dpll_hw_state.fp1 = fp2; } -static int ilk_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int ilk_crtc_compute_clock(struct intel_crtc_state *crtc_state) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->uapi.state); @@ -1097,7 +1119,8 @@ static int ilk_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - ilk_compute_dpll(crtc, crtc_state, NULL); + ilk_compute_dpll(crtc_state, &crtc_state->dpll, + &crtc_state->dpll); if (!intel_reserve_shared_dplls(state, crtc, NULL)) { drm_dbg_kms(&dev_priv->drm, @@ -1109,41 +1132,42 @@ static int ilk_crtc_compute_clock(struct intel_crtc *crtc, return 0; } -void vlv_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config) +void vlv_compute_dpll(struct intel_crtc_state *crtc_state) { - pipe_config->dpll_hw_state.dpll = DPLL_INTEGRATED_REF_CLK_VLV | + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + + crtc_state->dpll_hw_state.dpll = DPLL_INTEGRATED_REF_CLK_VLV | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; if (crtc->pipe != PIPE_A) - pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; + crtc_state->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; /* DPLL not used with DSI, but still need the rest set up */ - if (!intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DSI)) - pipe_config->dpll_hw_state.dpll |= DPLL_VCO_ENABLE | + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) + crtc_state->dpll_hw_state.dpll |= DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV; - pipe_config->dpll_hw_state.dpll_md = - (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; + crtc_state->dpll_hw_state.dpll_md = + (crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; } -void chv_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config) +void chv_compute_dpll(struct intel_crtc_state *crtc_state) { - pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLK_CHV | + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + + crtc_state->dpll_hw_state.dpll = DPLL_SSC_REF_CLK_CHV | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; if (crtc->pipe != PIPE_A) - pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; + crtc_state->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; /* DPLL not used with DSI, but still need the rest set up */ - if (!intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DSI)) - pipe_config->dpll_hw_state.dpll |= DPLL_VCO_ENABLE; + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) + crtc_state->dpll_hw_state.dpll |= DPLL_VCO_ENABLE; - pipe_config->dpll_hw_state.dpll_md = - (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; + crtc_state->dpll_hw_state.dpll_md = + (crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; } -static int chv_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int chv_crtc_compute_clock(struct intel_crtc_state *crtc_state) { int refclk = 100000; const struct intel_limit *limit = &intel_limits_chv; @@ -1159,13 +1183,12 @@ static int chv_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - chv_compute_dpll(crtc, crtc_state); + chv_compute_dpll(crtc_state); return 0; } -static int vlv_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int vlv_crtc_compute_clock(struct intel_crtc_state *crtc_state) { int refclk = 100000; const struct intel_limit *limit = &intel_limits_vlv; @@ -1181,14 +1204,14 @@ static int vlv_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - vlv_compute_dpll(crtc, crtc_state); + vlv_compute_dpll(crtc_state); return 0; } -static int g4x_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int g4x_crtc_compute_clock(struct intel_crtc_state *crtc_state) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct intel_limit *limit; int refclk = 96000; @@ -1226,16 +1249,16 @@ static int g4x_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - i9xx_compute_dpll(crtc, crtc_state, NULL); + i9xx_compute_dpll(crtc_state, &crtc_state->dpll, + &crtc_state->dpll); return 0; } -static int pnv_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int pnv_crtc_compute_clock(struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct intel_limit *limit; int refclk = 96000; @@ -1263,16 +1286,16 @@ static int pnv_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - i9xx_compute_dpll(crtc, crtc_state, NULL); + i9xx_compute_dpll(crtc_state, &crtc_state->dpll, + &crtc_state->dpll); return 0; } -static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int i9xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct intel_limit *limit; int refclk = 96000; @@ -1300,16 +1323,16 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - i9xx_compute_dpll(crtc, crtc_state, NULL); + i9xx_compute_dpll(crtc_state, &crtc_state->dpll, + &crtc_state->dpll); return 0; } -static int i8xx_crtc_compute_clock(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +static int i8xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct intel_limit *limit; int refclk = 48000; @@ -1339,30 +1362,63 @@ static int i8xx_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - i8xx_compute_dpll(crtc, crtc_state, NULL); + i8xx_compute_dpll(crtc_state, &crtc_state->dpll, + &crtc_state->dpll); return 0; } +static const struct intel_dpll_funcs hsw_dpll_funcs = { + .crtc_compute_clock = hsw_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs ilk_dpll_funcs = { + .crtc_compute_clock = ilk_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs chv_dpll_funcs = { + .crtc_compute_clock = chv_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs vlv_dpll_funcs = { + .crtc_compute_clock = vlv_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs g4x_dpll_funcs = { + .crtc_compute_clock = g4x_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs pnv_dpll_funcs = { + .crtc_compute_clock = pnv_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs i9xx_dpll_funcs = { + .crtc_compute_clock = i9xx_crtc_compute_clock, +}; + +static const struct intel_dpll_funcs i8xx_dpll_funcs = { + .crtc_compute_clock = i8xx_crtc_compute_clock, +}; + void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv) { if (DISPLAY_VER(dev_priv) >= 9 || HAS_DDI(dev_priv)) - dev_priv->display.crtc_compute_clock = hsw_crtc_compute_clock; + dev_priv->dpll_funcs = &hsw_dpll_funcs; else if (HAS_PCH_SPLIT(dev_priv)) - dev_priv->display.crtc_compute_clock = ilk_crtc_compute_clock; + dev_priv->dpll_funcs = &ilk_dpll_funcs; else if (IS_CHERRYVIEW(dev_priv)) - dev_priv->display.crtc_compute_clock = chv_crtc_compute_clock; + dev_priv->dpll_funcs = &chv_dpll_funcs; else if (IS_VALLEYVIEW(dev_priv)) - dev_priv->display.crtc_compute_clock = vlv_crtc_compute_clock; + dev_priv->dpll_funcs = &vlv_dpll_funcs; else if (IS_G4X(dev_priv)) - dev_priv->display.crtc_compute_clock = g4x_crtc_compute_clock; + dev_priv->dpll_funcs = &g4x_dpll_funcs; else if (IS_PINEVIEW(dev_priv)) - dev_priv->display.crtc_compute_clock = pnv_crtc_compute_clock; + dev_priv->dpll_funcs = &pnv_dpll_funcs; else if (DISPLAY_VER(dev_priv) != 2) - dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; + dev_priv->dpll_funcs = &i9xx_dpll_funcs; else - dev_priv->display.crtc_compute_clock = i8xx_crtc_compute_clock; + dev_priv->dpll_funcs = &i8xx_dpll_funcs; } static bool i9xx_has_pps(struct drm_i915_private *dev_priv) @@ -1373,34 +1429,37 @@ static bool i9xx_has_pps(struct drm_i915_private *dev_priv) return IS_PINEVIEW(dev_priv) || IS_MOBILE(dev_priv); } -void i9xx_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *crtc_state) +void i9xx_enable_pll(const struct intel_crtc_state *crtc_state) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - i915_reg_t reg = DPLL(crtc->pipe); u32 dpll = crtc_state->dpll_hw_state.dpll; + enum pipe pipe = crtc->pipe; int i; - assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder); + assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder); /* PLL is protected by panel, make sure we can write it */ if (i9xx_has_pps(dev_priv)) - assert_panel_unlocked(dev_priv, crtc->pipe); + assert_pps_unlocked(dev_priv, pipe); + + intel_de_write(dev_priv, FP0(pipe), crtc_state->dpll_hw_state.fp0); + intel_de_write(dev_priv, FP1(pipe), crtc_state->dpll_hw_state.fp1); /* * Apparently we need to have VGA mode enabled prior to changing * the P1/P2 dividers. Otherwise the DPLL will keep using the old * dividers, even though the register value does change. */ - intel_de_write(dev_priv, reg, dpll & ~DPLL_VGA_MODE_DIS); - intel_de_write(dev_priv, reg, dpll); + intel_de_write(dev_priv, DPLL(pipe), dpll & ~DPLL_VGA_MODE_DIS); + intel_de_write(dev_priv, DPLL(pipe), dpll); /* Wait for the clocks to stabilize. */ - intel_de_posting_read(dev_priv, reg); + intel_de_posting_read(dev_priv, DPLL(pipe)); udelay(150); if (DISPLAY_VER(dev_priv) >= 4) { - intel_de_write(dev_priv, DPLL_MD(crtc->pipe), + intel_de_write(dev_priv, DPLL_MD(pipe), crtc_state->dpll_hw_state.dpll_md); } else { /* The pixel multiplier can only be updated once the @@ -1408,13 +1467,13 @@ void i9xx_enable_pll(struct intel_crtc *crtc, * * So write it again. */ - intel_de_write(dev_priv, reg, dpll); + intel_de_write(dev_priv, DPLL(pipe), dpll); } /* We do this three times for luck */ for (i = 0; i < 3; i++) { - intel_de_write(dev_priv, reg, dpll); - intel_de_posting_read(dev_priv, reg); + intel_de_write(dev_priv, DPLL(pipe), dpll); + intel_de_posting_read(dev_priv, DPLL(pipe)); udelay(150); /* wait for warmup */ } } @@ -1448,136 +1507,22 @@ static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); } -static void _vlv_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - enum pipe pipe = crtc->pipe; - - intel_de_write(dev_priv, DPLL(pipe), pipe_config->dpll_hw_state.dpll); - intel_de_posting_read(dev_priv, DPLL(pipe)); - udelay(150); - - if (intel_de_wait_for_set(dev_priv, DPLL(pipe), DPLL_LOCK_VLV, 1)) - drm_err(&dev_priv->drm, "DPLL %d failed to lock\n", pipe); -} - -void vlv_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - enum pipe pipe = crtc->pipe; - - assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder); - - /* PLL is protected by panel, make sure we can write it */ - assert_panel_unlocked(dev_priv, pipe); - - if (pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) - _vlv_enable_pll(crtc, pipe_config); - - intel_de_write(dev_priv, DPLL_MD(pipe), - pipe_config->dpll_hw_state.dpll_md); - intel_de_posting_read(dev_priv, DPLL_MD(pipe)); -} - - -static void _chv_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - enum pipe pipe = crtc->pipe; - enum dpio_channel port = vlv_pipe_to_channel(pipe); - u32 tmp; - - vlv_dpio_get(dev_priv); - - /* Enable back the 10bit clock to display controller */ - tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); - tmp |= DPIO_DCLKP_EN; - vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); - - vlv_dpio_put(dev_priv); - - /* - * Need to wait > 100ns between dclkp clock enable bit and PLL enable. - */ - udelay(1); - - /* Enable PLL */ - intel_de_write(dev_priv, DPLL(pipe), pipe_config->dpll_hw_state.dpll); - - /* Check PLL is locked */ - if (intel_de_wait_for_set(dev_priv, DPLL(pipe), DPLL_LOCK_VLV, 1)) - drm_err(&dev_priv->drm, "PLL %d failed to lock\n", pipe); -} - -void chv_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config) +static void vlv_prepare_pll(const struct intel_crtc_state *crtc_state) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; - - assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder); - - /* PLL is protected by panel, make sure we can write it */ - assert_panel_unlocked(dev_priv, pipe); - - if (pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) - _chv_enable_pll(crtc, pipe_config); - - if (pipe != PIPE_A) { - /* - * WaPixelRepeatModeFixForC0:chv - * - * DPLLCMD is AWOL. Use chicken bits to propagate - * the value from DPLLBMD to either pipe B or C. - */ - intel_de_write(dev_priv, CBR4_VLV, CBR_DPLLBMD_PIPE(pipe)); - intel_de_write(dev_priv, DPLL_MD(PIPE_B), - pipe_config->dpll_hw_state.dpll_md); - intel_de_write(dev_priv, CBR4_VLV, 0); - dev_priv->chv_dpll_md[pipe] = pipe_config->dpll_hw_state.dpll_md; - - /* - * DPLLB VGA mode also seems to cause problems. - * We should always have it disabled. - */ - drm_WARN_ON(&dev_priv->drm, - (intel_de_read(dev_priv, DPLL(PIPE_B)) & - DPLL_VGA_MODE_DIS) == 0); - } else { - intel_de_write(dev_priv, DPLL_MD(pipe), - pipe_config->dpll_hw_state.dpll_md); - intel_de_posting_read(dev_priv, DPLL_MD(pipe)); - } -} - -void vlv_prepare_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config) -{ - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - enum pipe pipe = crtc->pipe; u32 mdiv; u32 bestn, bestm1, bestm2, bestp1, bestp2; u32 coreclk, reg_val; - /* Enable Refclk */ - intel_de_write(dev_priv, DPLL(pipe), - pipe_config->dpll_hw_state.dpll & ~(DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV)); - - /* No need to actually set up the DPLL with DSI */ - if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0) - return; - vlv_dpio_get(dev_priv); - bestn = pipe_config->dpll.n; - bestm1 = pipe_config->dpll.m1; - bestm2 = pipe_config->dpll.m2; - bestp1 = pipe_config->dpll.p1; - bestp2 = pipe_config->dpll.p2; + bestn = crtc_state->dpll.n; + bestm1 = crtc_state->dpll.m1; + bestm2 = crtc_state->dpll.m2; + bestp1 = crtc_state->dpll.p1; + bestp2 = crtc_state->dpll.p2; /* See eDP HDMI DPIO driver vbios notes doc */ @@ -1614,16 +1559,16 @@ void vlv_prepare_pll(struct intel_crtc *crtc, vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); /* Set HBR and RBR LPF coefficients */ - if (pipe_config->port_clock == 162000 || - intel_crtc_has_type(pipe_config, INTEL_OUTPUT_ANALOG) || - intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI)) + if (crtc_state->port_clock == 162000 || + intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG) || + intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), 0x009f0003); else vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), 0x00d0000f); - if (intel_crtc_has_dp_encoder(pipe_config)) { + if (intel_crtc_has_dp_encoder(crtc_state)) { /* Use SSC source */ if (pipe == PIPE_A) vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), @@ -1643,7 +1588,7 @@ void vlv_prepare_pll(struct intel_crtc *crtc, coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); coreclk = (coreclk & 0x0000ff00) | 0x01c00000; - if (intel_crtc_has_dp_encoder(pipe_config)) + if (intel_crtc_has_dp_encoder(crtc_state)) coreclk |= 0x01000000; vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); @@ -1652,11 +1597,50 @@ void vlv_prepare_pll(struct intel_crtc *crtc, vlv_dpio_put(dev_priv); } -void chv_prepare_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config) +static void _vlv_enable_pll(const struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + + intel_de_write(dev_priv, DPLL(pipe), crtc_state->dpll_hw_state.dpll); + intel_de_posting_read(dev_priv, DPLL(pipe)); + udelay(150); + + if (intel_de_wait_for_set(dev_priv, DPLL(pipe), DPLL_LOCK_VLV, 1)) + drm_err(&dev_priv->drm, "DPLL %d failed to lock\n", pipe); +} + +void vlv_enable_pll(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + + assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder); + + /* PLL is protected by panel, make sure we can write it */ + assert_pps_unlocked(dev_priv, pipe); + + /* Enable Refclk */ + intel_de_write(dev_priv, DPLL(pipe), + crtc_state->dpll_hw_state.dpll & + ~(DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV)); + + if (crtc_state->dpll_hw_state.dpll & DPLL_VCO_ENABLE) { + vlv_prepare_pll(crtc_state); + _vlv_enable_pll(crtc_state); + } + + intel_de_write(dev_priv, DPLL_MD(pipe), + crtc_state->dpll_hw_state.dpll_md); + intel_de_posting_read(dev_priv, DPLL_MD(pipe)); +} + +static void chv_prepare_pll(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; enum dpio_channel port = vlv_pipe_to_channel(pipe); u32 loopfilter, tribuf_calcntr; @@ -1664,21 +1648,13 @@ void chv_prepare_pll(struct intel_crtc *crtc, u32 dpio_val; int vco; - /* Enable Refclk and SSC */ - intel_de_write(dev_priv, DPLL(pipe), - pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); - - /* No need to actually set up the DPLL with DSI */ - if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0) - return; - - bestn = pipe_config->dpll.n; - bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; - bestm1 = pipe_config->dpll.m1; - bestm2 = pipe_config->dpll.m2 >> 22; - bestp1 = pipe_config->dpll.p1; - bestp2 = pipe_config->dpll.p2; - vco = pipe_config->dpll.vco; + bestn = crtc_state->dpll.n; + bestm2_frac = crtc_state->dpll.m2 & 0x3fffff; + bestm1 = crtc_state->dpll.m1; + bestm2 = crtc_state->dpll.m2 >> 22; + bestp1 = crtc_state->dpll.p1; + bestp2 = crtc_state->dpll.p2; + vco = crtc_state->dpll.vco; dpio_val = 0; loopfilter = 0; @@ -1757,6 +1733,83 @@ void chv_prepare_pll(struct intel_crtc *crtc, vlv_dpio_put(dev_priv); } +static void _chv_enable_pll(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + enum dpio_channel port = vlv_pipe_to_channel(pipe); + u32 tmp; + + vlv_dpio_get(dev_priv); + + /* Enable back the 10bit clock to display controller */ + tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); + tmp |= DPIO_DCLKP_EN; + vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); + + vlv_dpio_put(dev_priv); + + /* + * Need to wait > 100ns between dclkp clock enable bit and PLL enable. + */ + udelay(1); + + /* Enable PLL */ + intel_de_write(dev_priv, DPLL(pipe), crtc_state->dpll_hw_state.dpll); + + /* Check PLL is locked */ + if (intel_de_wait_for_set(dev_priv, DPLL(pipe), DPLL_LOCK_VLV, 1)) + drm_err(&dev_priv->drm, "PLL %d failed to lock\n", pipe); +} + +void chv_enable_pll(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + + assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder); + + /* PLL is protected by panel, make sure we can write it */ + assert_pps_unlocked(dev_priv, pipe); + + /* Enable Refclk and SSC */ + intel_de_write(dev_priv, DPLL(pipe), + crtc_state->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); + + if (crtc_state->dpll_hw_state.dpll & DPLL_VCO_ENABLE) { + chv_prepare_pll(crtc_state); + _chv_enable_pll(crtc_state); + } + + if (pipe != PIPE_A) { + /* + * WaPixelRepeatModeFixForC0:chv + * + * DPLLCMD is AWOL. Use chicken bits to propagate + * the value from DPLLBMD to either pipe B or C. + */ + intel_de_write(dev_priv, CBR4_VLV, CBR_DPLLBMD_PIPE(pipe)); + intel_de_write(dev_priv, DPLL_MD(PIPE_B), + crtc_state->dpll_hw_state.dpll_md); + intel_de_write(dev_priv, CBR4_VLV, 0); + dev_priv->chv_dpll_md[pipe] = crtc_state->dpll_hw_state.dpll_md; + + /* + * DPLLB VGA mode also seems to cause problems. + * We should always have it disabled. + */ + drm_WARN_ON(&dev_priv->drm, + (intel_de_read(dev_priv, DPLL(PIPE_B)) & + DPLL_VGA_MODE_DIS) == 0); + } else { + intel_de_write(dev_priv, DPLL_MD(pipe), + crtc_state->dpll_hw_state.dpll_md); + intel_de_posting_read(dev_priv, DPLL_MD(pipe)); + } +} + /** * vlv_force_pll_on - forcibly enable just the PLL * @dev_priv: i915 private structure @@ -1771,27 +1824,26 @@ int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, const struct dpll *dpll) { struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); - struct intel_crtc_state *pipe_config; + struct intel_crtc_state *crtc_state; - pipe_config = intel_crtc_state_alloc(crtc); - if (!pipe_config) + crtc_state = intel_crtc_state_alloc(crtc); + if (!crtc_state) return -ENOMEM; - pipe_config->cpu_transcoder = (enum transcoder)pipe; - pipe_config->pixel_multiplier = 1; - pipe_config->dpll = *dpll; + crtc_state->cpu_transcoder = (enum transcoder)pipe; + crtc_state->pixel_multiplier = 1; + crtc_state->dpll = *dpll; + crtc_state->output_types = BIT(INTEL_OUTPUT_EDP); if (IS_CHERRYVIEW(dev_priv)) { - chv_compute_dpll(crtc, pipe_config); - chv_prepare_pll(crtc, pipe_config); - chv_enable_pll(crtc, pipe_config); + chv_compute_dpll(crtc_state); + chv_enable_pll(crtc_state); } else { - vlv_compute_dpll(crtc, pipe_config); - vlv_prepare_pll(crtc, pipe_config); - vlv_enable_pll(crtc, pipe_config); + vlv_compute_dpll(crtc_state); + vlv_enable_pll(crtc_state); } - kfree(pipe_config); + kfree(crtc_state); return 0; } @@ -1801,7 +1853,7 @@ void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) u32 val; /* Make sure the pipe isn't still relying on us */ - assert_pipe_disabled(dev_priv, (enum transcoder)pipe); + assert_transcoder_disabled(dev_priv, (enum transcoder)pipe); val = DPLL_INTEGRATED_REF_CLK_VLV | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; @@ -1818,7 +1870,7 @@ void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) u32 val; /* Make sure the pipe isn't still relying on us */ - assert_pipe_disabled(dev_priv, (enum transcoder)pipe); + assert_transcoder_disabled(dev_priv, (enum transcoder)pipe); val = DPLL_SSC_REF_CLK_CHV | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; @@ -1849,7 +1901,7 @@ void i9xx_disable_pll(const struct intel_crtc_state *crtc_state) return; /* Make sure the pipe isn't still relying on us */ - assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder); + assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder); intel_de_write(dev_priv, DPLL(pipe), DPLL_VGA_MODE_DIS); intel_de_posting_read(dev_priv, DPLL(pipe)); @@ -1871,3 +1923,25 @@ void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe) else vlv_disable_pll(dev_priv, pipe); } + +/* Only for pre-ILK configs */ +static void assert_pll(struct drm_i915_private *dev_priv, + enum pipe pipe, bool state) +{ + bool cur_state; + + cur_state = intel_de_read(dev_priv, DPLL(pipe)) & DPLL_VCO_ENABLE; + I915_STATE_WARN(cur_state != state, + "PLL state assertion failure (expected %s, current %s)\n", + onoff(state), onoff(cur_state)); +} + +void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_pll(i915, pipe, true); +} + +void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_pll(i915, pipe, false); +} diff --git a/drivers/gpu/drm/i915/display/intel_dpll.h b/drivers/gpu/drm/i915/display/intel_dpll.h index 88247027fd5a..1af0ac43cca4 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.h +++ b/drivers/gpu/drm/i915/display/intel_dpll.h @@ -18,29 +18,25 @@ void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv); int vlv_calc_dpll_params(int refclk, struct dpll *clock); int pnv_calc_dpll_params(int refclk, struct dpll *clock); int i9xx_calc_dpll_params(int refclk, struct dpll *clock); -void vlv_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config); -void chv_compute_dpll(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config); +u32 i9xx_dpll_compute_fp(const struct dpll *dpll); +void vlv_compute_dpll(struct intel_crtc_state *crtc_state); +void chv_compute_dpll(struct intel_crtc_state *crtc_state); int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, const struct dpll *dpll); void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe); -void i9xx_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *crtc_state); -void vlv_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config); -void chv_enable_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config); -void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); + +void chv_enable_pll(const struct intel_crtc_state *crtc_state); void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); +void vlv_enable_pll(const struct intel_crtc_state *crtc_state); +void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); +void i9xx_enable_pll(const struct intel_crtc_state *crtc_state); void i9xx_disable_pll(const struct intel_crtc_state *crtc_state); -void vlv_prepare_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config); -void chv_prepare_pll(struct intel_crtc *crtc, - const struct intel_crtc_state *pipe_config); bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, struct dpll *best_clock); int chv_calc_dpll_params(int refclk, struct dpll *pll_clock); +void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe); + #endif diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 5c91d125a337..0a7e04db04be 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -26,6 +26,7 @@ #include "intel_dpio_phy.h" #include "intel_dpll.h" #include "intel_dpll_mgr.h" +#include "intel_tc.h" /** * DOC: Display PLLs @@ -185,34 +186,6 @@ intel_tc_pll_enable_reg(struct drm_i915_private *i915, } /** - * intel_prepare_shared_dpll - call a dpll's prepare hook - * @crtc_state: CRTC, and its state, which has a shared dpll - * - * This calls the PLL's prepare hook if it has one and if the PLL is not - * already enabled. The prepare hook is platform specific. - */ -void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state) -{ - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - struct intel_shared_dpll *pll = crtc_state->shared_dpll; - - if (drm_WARN_ON(&dev_priv->drm, pll == NULL)) - return; - - mutex_lock(&dev_priv->dpll.lock); - drm_WARN_ON(&dev_priv->drm, !pll->state.pipe_mask); - if (!pll->active_mask) { - drm_dbg(&dev_priv->drm, "setting up %s\n", pll->info->name); - drm_WARN_ON(&dev_priv->drm, pll->on); - assert_shared_dpll_disabled(dev_priv, pll); - - pll->info->funcs->prepare(dev_priv, pll); - } - mutex_unlock(&dev_priv->dpll.lock); -} - -/** * intel_enable_shared_dpll - enable a CRTC's shared DPLL * @crtc_state: CRTC, and its state, which has a shared DPLL * @@ -451,15 +424,6 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, return val & DPLL_VCO_ENABLE; } -static void ibx_pch_dpll_prepare(struct drm_i915_private *dev_priv, - struct intel_shared_dpll *pll) -{ - const enum intel_dpll_id id = pll->info->id; - - intel_de_write(dev_priv, PCH_FP0(id), pll->state.hw_state.fp0); - intel_de_write(dev_priv, PCH_FP1(id), pll->state.hw_state.fp1); -} - static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) { u32 val; @@ -481,6 +445,9 @@ static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, /* PCH refclock must be enabled first */ ibx_assert_pch_refclk_enabled(dev_priv); + intel_de_write(dev_priv, PCH_FP0(id), pll->state.hw_state.fp0); + intel_de_write(dev_priv, PCH_FP1(id), pll->state.hw_state.fp1); + intel_de_write(dev_priv, PCH_DPLL(id), pll->state.hw_state.dpll); /* Wait for the clocks to stabilize. */ @@ -558,7 +525,6 @@ static void ibx_dump_hw_state(struct drm_i915_private *dev_priv, } static const struct intel_shared_dpll_funcs ibx_pch_dpll_funcs = { - .prepare = ibx_pch_dpll_prepare, .enable = ibx_pch_dpll_enable, .disable = ibx_pch_dpll_disable, .get_hw_state = ibx_pch_dpll_get_hw_state, @@ -3136,8 +3102,8 @@ static void icl_update_active_dpll(struct intel_atomic_state *state, enc_to_dig_port(encoder); if (primary_port && - (primary_port->tc_mode == TC_PORT_DP_ALT || - primary_port->tc_mode == TC_PORT_LEGACY)) + (intel_tc_port_in_dp_alt_mode(primary_port) || + intel_tc_port_in_legacy_mode(primary_port))) port_dpll_id = ICL_PORT_DPLL_MG_PHY; icl_set_active_port_dpll(crtc_state, port_dpll_id); diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h index 30e0aa5ca109..2f59d863be4c 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h @@ -256,16 +256,6 @@ struct intel_shared_dpll_state { */ struct intel_shared_dpll_funcs { /** - * @prepare: - * - * Optional hook to perform operations prior to enabling the PLL. - * Called from intel_prepare_shared_dpll() function unless the PLL - * is already enabled. - */ - void (*prepare)(struct drm_i915_private *dev_priv, - struct intel_shared_dpll *pll); - - /** * @enable: * * Hook for enabling the pll, called from intel_enable_shared_dpll() @@ -404,7 +394,6 @@ int intel_dpll_get_freq(struct drm_i915_private *i915, bool intel_dpll_get_hw_state(struct drm_i915_private *i915, struct intel_shared_dpll *pll, struct intel_dpll_hw_state *hw_state); -void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_shared_dpll_swap_state(struct intel_atomic_state *state); diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c new file mode 100644 index 000000000000..8f7b1f7534a4 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_dpt.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2021 Intel Corporation + */ + +#include "i915_drv.h" +#include "intel_display_types.h" +#include "intel_dpt.h" +#include "intel_fb.h" +#include "gt/gen8_ppgtt.h" + +struct i915_dpt { + struct i915_address_space vm; + + struct drm_i915_gem_object *obj; + struct i915_vma *vma; + void __iomem *iomem; +}; + +#define i915_is_dpt(vm) ((vm)->is_dpt) + +static inline struct i915_dpt * +i915_vm_to_dpt(struct i915_address_space *vm) +{ + BUILD_BUG_ON(offsetof(struct i915_dpt, vm)); + GEM_BUG_ON(!i915_is_dpt(vm)); + return container_of(vm, struct i915_dpt, vm); +} + +#define dpt_total_entries(dpt) ((dpt)->vm.total >> PAGE_SHIFT) + +static void gen8_set_pte(void __iomem *addr, gen8_pte_t pte) +{ + writeq(pte, addr); +} + +static void dpt_insert_page(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 flags) +{ + struct i915_dpt *dpt = i915_vm_to_dpt(vm); + gen8_pte_t __iomem *base = dpt->iomem; + + gen8_set_pte(base + offset / I915_GTT_PAGE_SIZE, + vm->pte_encode(addr, level, flags)); +} + +static void dpt_insert_entries(struct i915_address_space *vm, + struct i915_vma *vma, + enum i915_cache_level level, + u32 flags) +{ + struct i915_dpt *dpt = i915_vm_to_dpt(vm); + gen8_pte_t __iomem *base = dpt->iomem; + const gen8_pte_t pte_encode = vm->pte_encode(0, level, flags); + struct sgt_iter sgt_iter; + dma_addr_t addr; + int i; + + /* + * Note that we ignore PTE_READ_ONLY here. The caller must be careful + * not to allow the user to override access to a read only page. + */ + + i = vma->node.start / I915_GTT_PAGE_SIZE; + for_each_sgt_daddr(addr, sgt_iter, vma->pages) + gen8_set_pte(&base[i++], pte_encode | addr); +} + +static void dpt_clear_range(struct i915_address_space *vm, + u64 start, u64 length) +{ +} + +static void dpt_bind_vma(struct i915_address_space *vm, + struct i915_vm_pt_stash *stash, + struct i915_vma *vma, + enum i915_cache_level cache_level, + u32 flags) +{ + struct drm_i915_gem_object *obj = vma->obj; + u32 pte_flags; + + /* Applicable to VLV (gen8+ do not support RO in the GGTT) */ + pte_flags = 0; + if (vma->vm->has_read_only && i915_gem_object_is_readonly(obj)) + pte_flags |= PTE_READ_ONLY; + if (i915_gem_object_is_lmem(obj)) + pte_flags |= PTE_LM; + + vma->vm->insert_entries(vma->vm, vma, cache_level, pte_flags); + + vma->page_sizes.gtt = I915_GTT_PAGE_SIZE; + + /* + * Without aliasing PPGTT there's no difference between + * GLOBAL/LOCAL_BIND, it's all the same ptes. Hence unconditionally + * upgrade to both bound if we bind either to avoid double-binding. + */ + atomic_or(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND, &vma->flags); +} + +static void dpt_unbind_vma(struct i915_address_space *vm, struct i915_vma *vma) +{ + vm->clear_range(vm, vma->node.start, vma->size); +} + +static void dpt_cleanup(struct i915_address_space *vm) +{ + struct i915_dpt *dpt = i915_vm_to_dpt(vm); + + i915_gem_object_put(dpt->obj); +} + +struct i915_vma *intel_dpt_pin(struct i915_address_space *vm) +{ + struct drm_i915_private *i915 = vm->i915; + struct i915_dpt *dpt = i915_vm_to_dpt(vm); + intel_wakeref_t wakeref; + struct i915_vma *vma; + void __iomem *iomem; + struct i915_gem_ww_ctx ww; + int err; + + wakeref = intel_runtime_pm_get(&i915->runtime_pm); + atomic_inc(&i915->gpu_error.pending_fb_pin); + + for_i915_gem_ww(&ww, err, true) { + err = i915_gem_object_lock(dpt->obj, &ww); + if (err) + continue; + + vma = i915_gem_object_ggtt_pin_ww(dpt->obj, &ww, NULL, 0, 4096, + HAS_LMEM(i915) ? 0 : PIN_MAPPABLE); + if (IS_ERR(vma)) { + err = PTR_ERR(vma); + continue; + } + + iomem = i915_vma_pin_iomap(vma); + i915_vma_unpin(vma); + + if (IS_ERR(iomem)) { + err = PTR_ERR(iomem); + continue; + } + + dpt->vma = vma; + dpt->iomem = iomem; + + i915_vma_get(vma); + } + + atomic_dec(&i915->gpu_error.pending_fb_pin); + intel_runtime_pm_put(&i915->runtime_pm, wakeref); + + return err ? ERR_PTR(err) : vma; +} + +void intel_dpt_unpin(struct i915_address_space *vm) +{ + struct i915_dpt *dpt = i915_vm_to_dpt(vm); + + i915_vma_unpin_iomap(dpt->vma); + i915_vma_put(dpt->vma); +} + +struct i915_address_space * +intel_dpt_create(struct intel_framebuffer *fb) +{ + struct drm_gem_object *obj = &intel_fb_obj(&fb->base)->base; + struct drm_i915_private *i915 = to_i915(obj->dev); + struct drm_i915_gem_object *dpt_obj; + struct i915_address_space *vm; + struct i915_dpt *dpt; + size_t size; + int ret; + + if (intel_fb_needs_pot_stride_remap(fb)) + size = intel_remapped_info_size(&fb->remapped_view.gtt.remapped); + else + size = DIV_ROUND_UP_ULL(obj->size, I915_GTT_PAGE_SIZE); + + size = round_up(size * sizeof(gen8_pte_t), I915_GTT_PAGE_SIZE); + + if (HAS_LMEM(i915)) + dpt_obj = i915_gem_object_create_lmem(i915, size, 0); + else + dpt_obj = i915_gem_object_create_stolen(i915, size); + if (IS_ERR(dpt_obj)) + return ERR_CAST(dpt_obj); + + ret = i915_gem_object_set_cache_level(dpt_obj, I915_CACHE_NONE); + if (ret) { + i915_gem_object_put(dpt_obj); + return ERR_PTR(ret); + } + + dpt = kzalloc(sizeof(*dpt), GFP_KERNEL); + if (!dpt) { + i915_gem_object_put(dpt_obj); + return ERR_PTR(-ENOMEM); + } + + vm = &dpt->vm; + + vm->gt = &i915->gt; + vm->i915 = i915; + vm->dma = i915->drm.dev; + vm->total = (size / sizeof(gen8_pte_t)) * I915_GTT_PAGE_SIZE; + vm->is_dpt = true; + + i915_address_space_init(vm, VM_CLASS_DPT); + + vm->insert_page = dpt_insert_page; + vm->clear_range = dpt_clear_range; + vm->insert_entries = dpt_insert_entries; + vm->cleanup = dpt_cleanup; + + vm->vma_ops.bind_vma = dpt_bind_vma; + vm->vma_ops.unbind_vma = dpt_unbind_vma; + vm->vma_ops.set_pages = ggtt_set_pages; + vm->vma_ops.clear_pages = clear_pages; + + vm->pte_encode = gen8_ggtt_pte_encode; + + dpt->obj = dpt_obj; + + return &dpt->vm; +} + +void intel_dpt_destroy(struct i915_address_space *vm) +{ + struct i915_dpt *dpt = i915_vm_to_dpt(vm); + + i915_vm_close(&dpt->vm); +} diff --git a/drivers/gpu/drm/i915/display/intel_dpt.h b/drivers/gpu/drm/i915/display/intel_dpt.h new file mode 100644 index 000000000000..45142b8f849f --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_dpt.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef __INTEL_DPT_H__ +#define __INTEL_DPT_H__ + +struct i915_address_space; +struct i915_vma; +struct intel_framebuffer; + +void intel_dpt_destroy(struct i915_address_space *vm); +struct i915_vma *intel_dpt_pin(struct i915_address_space *vm); +void intel_dpt_unpin(struct i915_address_space *vm); +struct i915_address_space * +intel_dpt_create(struct intel_framebuffer *fb); + +#endif /* __INTEL_DPT_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c new file mode 100644 index 000000000000..c1439fcb5a95 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_drrs.c @@ -0,0 +1,437 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2021 Intel Corporation + */ + +#include "i915_drv.h" +#include "intel_atomic.h" +#include "intel_de.h" +#include "intel_display_types.h" +#include "intel_drrs.h" +#include "intel_panel.h" + +/** + * DOC: Display Refresh Rate Switching (DRRS) + * + * Display Refresh Rate Switching (DRRS) is a power conservation feature + * which enables swtching between low and high refresh rates, + * dynamically, based on the usage scenario. This feature is applicable + * for internal panels. + * + * Indication that the panel supports DRRS is given by the panel EDID, which + * would list multiple refresh rates for one resolution. + * + * DRRS is of 2 types - static and seamless. + * Static DRRS involves changing refresh rate (RR) by doing a full modeset + * (may appear as a blink on screen) and is used in dock-undock scenario. + * Seamless DRRS involves changing RR without any visual effect to the user + * and can be used during normal system usage. This is done by programming + * certain registers. + * + * Support for static/seamless DRRS may be indicated in the VBT based on + * inputs from the panel spec. + * + * DRRS saves power by switching to low RR based on usage scenarios. + * + * The implementation is based on frontbuffer tracking implementation. When + * there is a disturbance on the screen triggered by user activity or a periodic + * system activity, DRRS is disabled (RR is changed to high RR). When there is + * no movement on screen, after a timeout of 1 second, a switch to low RR is + * made. + * + * For integration with frontbuffer tracking code, intel_drrs_invalidate() + * and intel_drrs_flush() are called. + * + * DRRS can be further extended to support other internal panels and also + * the scenario of video playback wherein RR is set based on the rate + * requested by userspace. + */ + +void +intel_drrs_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *pipe_config, + int output_bpp, bool constant_n) +{ + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + int pixel_clock; + + if (pipe_config->vrr.enable) + return; + + /* + * DRRS and PSR can't be enable together, so giving preference to PSR + * as it allows more power-savings by complete shutting down display, + * so to guarantee this, intel_drrs_compute_config() must be called + * after intel_psr_compute_config(). + */ + if (pipe_config->has_psr) + return; + + if (!intel_connector->panel.downclock_mode || + dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT) + return; + + pipe_config->has_drrs = true; + + pixel_clock = intel_connector->panel.downclock_mode->clock; + if (pipe_config->splitter.enable) + pixel_clock /= pipe_config->splitter.link_count; + + intel_link_compute_m_n(output_bpp, pipe_config->lane_count, pixel_clock, + pipe_config->port_clock, &pipe_config->dp_m2_n2, + constant_n, pipe_config->fec_enable); + + /* FIXME: abstract this better */ + if (pipe_config->splitter.enable) + pipe_config->dp_m2_n2.gmch_m *= pipe_config->splitter.link_count; +} + +static void intel_drrs_set_state(struct drm_i915_private *dev_priv, + const struct intel_crtc_state *crtc_state, + enum drrs_refresh_rate_type refresh_type) +{ + struct intel_dp *intel_dp = dev_priv->drrs.dp; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_display_mode *mode; + + if (!intel_dp) { + drm_dbg_kms(&dev_priv->drm, "DRRS not supported.\n"); + return; + } + + if (!crtc) { + drm_dbg_kms(&dev_priv->drm, + "DRRS: intel_crtc not initialized\n"); + return; + } + + if (dev_priv->drrs.type < SEAMLESS_DRRS_SUPPORT) { + drm_dbg_kms(&dev_priv->drm, "Only Seamless DRRS supported.\n"); + return; + } + + if (refresh_type == dev_priv->drrs.refresh_rate_type) + return; + + if (!crtc_state->hw.active) { + drm_dbg_kms(&dev_priv->drm, + "eDP encoder disabled. CRTC not Active\n"); + return; + } + + if (DISPLAY_VER(dev_priv) >= 8 && !IS_CHERRYVIEW(dev_priv)) { + switch (refresh_type) { + case DRRS_HIGH_RR: + intel_dp_set_m_n(crtc_state, M1_N1); + break; + case DRRS_LOW_RR: + intel_dp_set_m_n(crtc_state, M2_N2); + break; + case DRRS_MAX_RR: + default: + drm_err(&dev_priv->drm, + "Unsupported refreshrate type\n"); + } + } else if (DISPLAY_VER(dev_priv) > 6) { + i915_reg_t reg = PIPECONF(crtc_state->cpu_transcoder); + u32 val; + + val = intel_de_read(dev_priv, reg); + if (refresh_type == DRRS_LOW_RR) { + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) + val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val |= PIPECONF_EDP_RR_MODE_SWITCH; + } else { + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) + val &= ~PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val &= ~PIPECONF_EDP_RR_MODE_SWITCH; + } + intel_de_write(dev_priv, reg, val); + } + + dev_priv->drrs.refresh_rate_type = refresh_type; + + if (refresh_type == DRRS_LOW_RR) + mode = intel_dp->attached_connector->panel.downclock_mode; + else + mode = intel_dp->attached_connector->panel.fixed_mode; + drm_dbg_kms(&dev_priv->drm, "eDP Refresh Rate set to : %dHz\n", + drm_mode_vrefresh(mode)); +} + +static void +intel_drrs_enable_locked(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + dev_priv->drrs.busy_frontbuffer_bits = 0; + dev_priv->drrs.dp = intel_dp; +} + +/** + * intel_drrs_enable - init drrs struct if supported + * @intel_dp: DP struct + * @crtc_state: A pointer to the active crtc state. + * + * Initializes frontbuffer_bits and drrs.dp + */ +void intel_drrs_enable(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (!crtc_state->has_drrs) + return; + + drm_dbg_kms(&dev_priv->drm, "Enabling DRRS\n"); + + mutex_lock(&dev_priv->drrs.mutex); + + if (dev_priv->drrs.dp) { + drm_warn(&dev_priv->drm, "DRRS already enabled\n"); + goto unlock; + } + + intel_drrs_enable_locked(intel_dp); + +unlock: + mutex_unlock(&dev_priv->drrs.mutex); +} + +static void +intel_drrs_disable_locked(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + intel_drrs_set_state(dev_priv, crtc_state, DRRS_HIGH_RR); + dev_priv->drrs.dp = NULL; +} + +/** + * intel_drrs_disable - Disable DRRS + * @intel_dp: DP struct + * @old_crtc_state: Pointer to old crtc_state. + * + */ +void intel_drrs_disable(struct intel_dp *intel_dp, + const struct intel_crtc_state *old_crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (!old_crtc_state->has_drrs) + return; + + mutex_lock(&dev_priv->drrs.mutex); + if (!dev_priv->drrs.dp) { + mutex_unlock(&dev_priv->drrs.mutex); + return; + } + + intel_drrs_disable_locked(intel_dp, old_crtc_state); + mutex_unlock(&dev_priv->drrs.mutex); + + cancel_delayed_work_sync(&dev_priv->drrs.work); +} + +/** + * intel_drrs_update - Update DRRS state + * @intel_dp: Intel DP + * @crtc_state: new CRTC state + * + * This function will update DRRS states, disabling or enabling DRRS when + * executing fastsets. For full modeset, intel_drrs_disable() and + * intel_drrs_enable() should be called instead. + */ +void +intel_drrs_update(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT) + return; + + mutex_lock(&dev_priv->drrs.mutex); + + /* New state matches current one? */ + if (crtc_state->has_drrs == !!dev_priv->drrs.dp) + goto unlock; + + if (crtc_state->has_drrs) + intel_drrs_enable_locked(intel_dp); + else + intel_drrs_disable_locked(intel_dp, crtc_state); + +unlock: + mutex_unlock(&dev_priv->drrs.mutex); +} + +static void intel_drrs_downclock_work(struct work_struct *work) +{ + struct drm_i915_private *dev_priv = + container_of(work, typeof(*dev_priv), drrs.work.work); + struct intel_dp *intel_dp; + struct drm_crtc *crtc; + + mutex_lock(&dev_priv->drrs.mutex); + + intel_dp = dev_priv->drrs.dp; + + if (!intel_dp) + goto unlock; + + /* + * The delayed work can race with an invalidate hence we need to + * recheck. + */ + + if (dev_priv->drrs.busy_frontbuffer_bits) + goto unlock; + + crtc = dp_to_dig_port(intel_dp)->base.base.crtc; + intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config, DRRS_LOW_RR); + +unlock: + mutex_unlock(&dev_priv->drrs.mutex); +} + +static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv, + unsigned int frontbuffer_bits, + bool invalidate) +{ + struct intel_dp *intel_dp; + struct drm_crtc *crtc; + enum pipe pipe; + + if (dev_priv->drrs.type == DRRS_NOT_SUPPORTED) + return; + + cancel_delayed_work(&dev_priv->drrs.work); + + mutex_lock(&dev_priv->drrs.mutex); + + intel_dp = dev_priv->drrs.dp; + if (!intel_dp) { + mutex_unlock(&dev_priv->drrs.mutex); + return; + } + + crtc = dp_to_dig_port(intel_dp)->base.base.crtc; + pipe = to_intel_crtc(crtc)->pipe; + + frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe); + if (invalidate) + dev_priv->drrs.busy_frontbuffer_bits |= frontbuffer_bits; + else + dev_priv->drrs.busy_frontbuffer_bits &= ~frontbuffer_bits; + + /* flush/invalidate means busy screen hence upclock */ + if (frontbuffer_bits) + intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config, + DRRS_HIGH_RR); + + /* + * flush also means no more activity hence schedule downclock, if all + * other fbs are quiescent too + */ + if (!invalidate && !dev_priv->drrs.busy_frontbuffer_bits) + schedule_delayed_work(&dev_priv->drrs.work, + msecs_to_jiffies(1000)); + mutex_unlock(&dev_priv->drrs.mutex); +} + +/** + * intel_drrs_invalidate - Disable Idleness DRRS + * @dev_priv: i915 device + * @frontbuffer_bits: frontbuffer plane tracking bits + * + * This function gets called everytime rendering on the given planes start. + * Hence DRRS needs to be Upclocked, i.e. (LOW_RR -> HIGH_RR). + * + * Dirty frontbuffers relevant to DRRS are tracked in busy_frontbuffer_bits. + */ +void intel_drrs_invalidate(struct drm_i915_private *dev_priv, + unsigned int frontbuffer_bits) +{ + intel_drrs_frontbuffer_update(dev_priv, frontbuffer_bits, true); +} + +/** + * intel_drrs_flush - Restart Idleness DRRS + * @dev_priv: i915 device + * @frontbuffer_bits: frontbuffer plane tracking bits + * + * This function gets called every time rendering on the given planes has + * completed or flip on a crtc is completed. So DRRS should be upclocked + * (LOW_RR -> HIGH_RR). And also Idleness detection should be started again, + * if no other planes are dirty. + * + * Dirty frontbuffers relevant to DRRS are tracked in busy_frontbuffer_bits. + */ +void intel_drrs_flush(struct drm_i915_private *dev_priv, + unsigned int frontbuffer_bits) +{ + intel_drrs_frontbuffer_update(dev_priv, frontbuffer_bits, false); +} + +void intel_drrs_page_flip(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + unsigned int frontbuffer_bits = INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe); + + intel_drrs_frontbuffer_update(dev_priv, frontbuffer_bits, false); +} + +/** + * intel_drrs_init - Init basic DRRS work and mutex. + * @connector: eDP connector + * @fixed_mode: preferred mode of panel + * + * This function is called only once at driver load to initialize basic + * DRRS stuff. + * + * Returns: + * Downclock mode if panel supports it, else return NULL. + * DRRS support is determined by the presence of downclock mode (apart + * from VBT setting). + */ +struct drm_display_mode * +intel_drrs_init(struct intel_connector *connector, + struct drm_display_mode *fixed_mode) +{ + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct drm_display_mode *downclock_mode = NULL; + + INIT_DELAYED_WORK(&dev_priv->drrs.work, intel_drrs_downclock_work); + mutex_init(&dev_priv->drrs.mutex); + + if (DISPLAY_VER(dev_priv) <= 6) { + drm_dbg_kms(&dev_priv->drm, + "DRRS supported for Gen7 and above\n"); + return NULL; + } + + if (dev_priv->vbt.drrs_type != SEAMLESS_DRRS_SUPPORT) { + drm_dbg_kms(&dev_priv->drm, "VBT doesn't support DRRS\n"); + return NULL; + } + + downclock_mode = intel_panel_edid_downclock_mode(connector, fixed_mode); + if (!downclock_mode) { + drm_dbg_kms(&dev_priv->drm, + "Downclock mode is not found. DRRS not supported\n"); + return NULL; + } + + dev_priv->drrs.type = dev_priv->vbt.drrs_type; + + dev_priv->drrs.refresh_rate_type = DRRS_HIGH_RR; + drm_dbg_kms(&dev_priv->drm, + "seamless DRRS supported for eDP panel.\n"); + return downclock_mode; +} diff --git a/drivers/gpu/drm/i915/display/intel_drrs.h b/drivers/gpu/drm/i915/display/intel_drrs.h new file mode 100644 index 000000000000..9ec9c447211a --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_drrs.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef __INTEL_DRRS_H__ +#define __INTEL_DRRS_H__ + +#include <linux/types.h> + +struct drm_i915_private; +struct intel_atomic_state; +struct intel_crtc; +struct intel_crtc_state; +struct intel_connector; +struct intel_dp; + +void intel_drrs_enable(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); +void intel_drrs_disable(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); +void intel_drrs_update(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); +void intel_drrs_invalidate(struct drm_i915_private *dev_priv, + unsigned int frontbuffer_bits); +void intel_drrs_flush(struct drm_i915_private *dev_priv, + unsigned int frontbuffer_bits); +void intel_drrs_page_flip(struct intel_atomic_state *state, + struct intel_crtc *crtc); +void intel_drrs_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *pipe_config, + int output_bpp, bool constant_n); +struct drm_display_mode *intel_drrs_init(struct intel_connector *connector, + struct drm_display_mode *fixed_mode); + +#endif /* __INTEL_DRRS_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_dsi.c b/drivers/gpu/drm/i915/display/intel_dsi.c index f453ceb8d149..6b0301ba046e 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.c +++ b/drivers/gpu/drm/i915/display/intel_dsi.c @@ -5,6 +5,7 @@ #include <drm/drm_mipi_dsi.h> #include "intel_dsi.h" +#include "intel_panel.h" int intel_dsi_bitrate(const struct intel_dsi *intel_dsi) { @@ -60,20 +61,19 @@ enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector, struct intel_connector *intel_connector = to_intel_connector(connector); const struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; + enum drm_mode_status status; drm_dbg_kms(&dev_priv->drm, "\n"); if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; - if (fixed_mode) { - if (mode->hdisplay > fixed_mode->hdisplay) - return MODE_PANEL; - if (mode->vdisplay > fixed_mode->vdisplay) - return MODE_PANEL; - if (fixed_mode->clock > max_dotclk) - return MODE_CLOCK_HIGH; - } + status = intel_panel_mode_valid(intel_connector, mode); + if (status != MODE_OK) + return status; + + if (fixed_mode->clock > max_dotclk) + return MODE_CLOCK_HIGH; return intel_mode_valid_max_plane_size(dev_priv, mode, false); } diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h index 50d6da0b2419..fbc40ffdc02e 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.h +++ b/drivers/gpu/drm/i915/display/intel_dsi.h @@ -207,6 +207,9 @@ u32 bxt_dsi_get_pclk(struct intel_encoder *encoder, struct intel_crtc_state *config); void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port); +void assert_dsi_pll_enabled(struct drm_i915_private *i915); +void assert_dsi_pll_disabled(struct drm_i915_private *i915); + /* intel_dsi_vbt.c */ bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id); void intel_dsi_vbt_gpio_init(struct intel_dsi *intel_dsi, bool panel_is_on); diff --git a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c index 584c14c4cbd0..f61ed82e8867 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c @@ -47,33 +47,42 @@ static u32 dcs_get_backlight(struct intel_connector *connector, enum pipe unused { struct intel_encoder *encoder = intel_attached_encoder(connector); struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); + struct intel_panel *panel = &connector->panel; struct mipi_dsi_device *dsi_device; - u8 data = 0; + u8 data[2] = {}; enum port port; + size_t len = panel->backlight.max > U8_MAX ? 2 : 1; - /* FIXME: Need to take care of 16 bit brightness level */ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) { dsi_device = intel_dsi->dsi_hosts[port]->device; mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_DISPLAY_BRIGHTNESS, - &data, sizeof(data)); + &data, len); break; } - return data; + return (data[1] << 8) | data[0]; } static void dcs_set_backlight(const struct drm_connector_state *conn_state, u32 level) { struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder)); + struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel; struct mipi_dsi_device *dsi_device; - u8 data = level; + u8 data[2] = {}; enum port port; + size_t len = panel->backlight.max > U8_MAX ? 2 : 1; + + if (len == 1) { + data[0] = level; + } else { + data[0] = level >> 8; + data[1] = level; + } - /* FIXME: Need to take care of 16 bit brightness level */ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) { dsi_device = intel_dsi->dsi_hosts[port]->device; mipi_dsi_dcs_write(dsi_device, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, - &data, sizeof(data)); + &data, len); } } @@ -147,10 +156,16 @@ static void dcs_enable_backlight(const struct intel_crtc_state *crtc_state, static int dcs_setup_backlight(struct intel_connector *connector, enum pipe unused) { + struct drm_device *dev = connector->base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); struct intel_panel *panel = &connector->panel; - panel->backlight.max = PANEL_PWM_MAX_VALUE; - panel->backlight.level = PANEL_PWM_MAX_VALUE; + if (dev_priv->vbt.backlight.brightness_precision_bits > 8) + panel->backlight.max = (1 << dev_priv->vbt.backlight.brightness_precision_bits) - 1; + else + panel->backlight.max = PANEL_PWM_MAX_VALUE; + + panel->backlight.level = panel->backlight.max; return 0; } diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c index 77419f8c05e9..2eeb209afc64 100644 --- a/drivers/gpu/drm/i915/display/intel_dvo.c +++ b/drivers/gpu/drm/i915/display/intel_dvo.c @@ -223,9 +223,10 @@ static enum drm_mode_status intel_dvo_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - struct intel_dvo *intel_dvo = intel_attached_dvo(to_intel_connector(connector)); + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dvo *intel_dvo = intel_attached_dvo(intel_connector); const struct drm_display_mode *fixed_mode = - to_intel_connector(connector)->panel.fixed_mode; + intel_connector->panel.fixed_mode; int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; int target_clock = mode->clock; @@ -235,10 +236,11 @@ intel_dvo_mode_valid(struct drm_connector *connector, /* XXX: Validate clock range */ if (fixed_mode) { - if (mode->hdisplay > fixed_mode->hdisplay) - return MODE_PANEL; - if (mode->vdisplay > fixed_mode->vdisplay) - return MODE_PANEL; + enum drm_mode_status status; + + status = intel_panel_mode_valid(intel_connector, mode); + if (status != MODE_OK) + return status; target_clock = fixed_mode->clock; } @@ -254,6 +256,7 @@ static int intel_dvo_compute_config(struct intel_encoder *encoder, struct drm_connector_state *conn_state) { struct intel_dvo *intel_dvo = enc_to_dvo(encoder); + struct intel_connector *connector = to_intel_connector(conn_state->connector); const struct drm_display_mode *fixed_mode = intel_dvo->attached_connector->panel.fixed_mode; struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; @@ -264,8 +267,13 @@ static int intel_dvo_compute_config(struct intel_encoder *encoder, * with the panel scaling set up to source from the H/VDisplay * of the original mode. */ - if (fixed_mode) - intel_fixed_panel_mode(fixed_mode, adjusted_mode); + if (fixed_mode) { + int ret; + + ret = intel_panel_compute_config(connector, adjusted_mode); + if (ret) + return ret; + } if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c index c60a81a81c09..fa1f375e696b 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fb.c @@ -4,9 +4,11 @@ */ #include <drm/drm_framebuffer.h> +#include <drm/drm_modeset_helper.h> #include "intel_display.h" #include "intel_display_types.h" +#include "intel_dpt.h" #include "intel_fb.h" #define check_array_bounds(i915, a, i) drm_WARN_ON(&(i915)->drm, (i) >= ARRAY_SIZE(a)) @@ -61,6 +63,38 @@ int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane) return ccs_plane - fb->format->num_planes / 2; } +static unsigned int gen12_aligned_scanout_stride(const struct intel_framebuffer *fb, + int color_plane) +{ + struct drm_i915_private *i915 = to_i915(fb->base.dev); + unsigned int stride = fb->base.pitches[color_plane]; + + if (IS_ALDERLAKE_P(i915)) + return roundup_pow_of_two(max(stride, + 8u * intel_tile_width_bytes(&fb->base, color_plane))); + + return stride; +} + +static unsigned int gen12_ccs_aux_stride(struct intel_framebuffer *fb, int ccs_plane) +{ + struct drm_i915_private *i915 = to_i915(fb->base.dev); + int main_plane = skl_ccs_to_main_plane(&fb->base, ccs_plane); + unsigned int main_stride = fb->base.pitches[main_plane]; + unsigned int main_tile_width = intel_tile_width_bytes(&fb->base, main_plane); + + /* + * On ADL-P the AUX stride must align with a power-of-two aligned main + * surface stride. The stride of the allocated main surface object can + * be less than this POT stride, which is then autopadded to the POT + * size. + */ + if (IS_ALDERLAKE_P(i915)) + main_stride = gen12_aligned_scanout_stride(fb, main_plane); + + return DIV_ROUND_UP(main_stride, 4 * main_tile_width) * 64; +} + int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane) { struct drm_i915_private *i915 = to_i915(fb->dev); @@ -79,16 +113,70 @@ unsigned int intel_tile_size(const struct drm_i915_private *i915) return DISPLAY_VER(i915) == 2 ? 2048 : 4096; } -unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane) +unsigned int +intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane) { - if (is_gen12_ccs_plane(fb, color_plane)) - return 1; + struct drm_i915_private *dev_priv = to_i915(fb->dev); + unsigned int cpp = fb->format->cpp[color_plane]; + + switch (fb->modifier) { + case DRM_FORMAT_MOD_LINEAR: + return intel_tile_size(dev_priv); + case I915_FORMAT_MOD_X_TILED: + if (DISPLAY_VER(dev_priv) == 2) + return 128; + else + return 512; + case I915_FORMAT_MOD_Y_TILED_CCS: + if (is_ccs_plane(fb, color_plane)) + return 128; + fallthrough; + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + if (is_ccs_plane(fb, color_plane)) + return 64; + fallthrough; + case I915_FORMAT_MOD_Y_TILED: + if (DISPLAY_VER(dev_priv) == 2 || HAS_128_BYTE_Y_TILING(dev_priv)) + return 128; + else + return 512; + case I915_FORMAT_MOD_Yf_TILED_CCS: + if (is_ccs_plane(fb, color_plane)) + return 128; + fallthrough; + case I915_FORMAT_MOD_Yf_TILED: + switch (cpp) { + case 1: + return 64; + case 2: + case 4: + return 128; + case 8: + case 16: + return 256; + default: + MISSING_CASE(cpp); + return cpp; + } + break; + default: + MISSING_CASE(fb->modifier); + return cpp; + } +} +unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane) +{ return intel_tile_size(to_i915(fb->dev)) / intel_tile_width_bytes(fb, color_plane); } -/* Return the tile dimensions in pixel units */ +/* + * Return the tile dimensions in pixel units, based on the (2 or 4 kbyte) GTT + * page tile size. + */ static void intel_tile_dims(const struct drm_framebuffer *fb, int color_plane, unsigned int *tile_width, unsigned int *tile_height) @@ -100,6 +188,21 @@ static void intel_tile_dims(const struct drm_framebuffer *fb, int color_plane, *tile_height = intel_tile_height(fb, color_plane); } +/* + * Return the tile dimensions in pixel units, based on the tile block size. + * The block covers the full GTT page sized tile on all tiled surfaces and + * it's a 64 byte portion of the tile on TGL+ CCS surfaces. + */ +static void intel_tile_block_dims(const struct drm_framebuffer *fb, int color_plane, + unsigned int *tile_width, + unsigned int *tile_height) +{ + intel_tile_dims(fb, color_plane, tile_width, tile_height); + + if (is_gen12_ccs_plane(fb, color_plane)) + *tile_height = 1; +} + unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane) { unsigned int tile_width, tile_height; @@ -109,6 +212,31 @@ unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_pla return fb->pitches[color_plane] * tile_height; } +unsigned int +intel_fb_align_height(const struct drm_framebuffer *fb, + int color_plane, unsigned int height) +{ + unsigned int tile_height = intel_tile_height(fb, color_plane); + + return ALIGN(height, tile_height); +} + +static unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier) +{ + switch (fb_modifier) { + case I915_FORMAT_MOD_X_TILED: + return I915_TILING_X; + case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_Y_TILED_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + return I915_TILING_Y; + default: + return I915_TILING_NONE; + } +} + unsigned int intel_cursor_alignment(const struct drm_i915_private *i915) { if (IS_I830(i915)) @@ -121,6 +249,70 @@ unsigned int intel_cursor_alignment(const struct drm_i915_private *i915) return 4 * 1024; } +static unsigned int intel_linear_alignment(const struct drm_i915_private *dev_priv) +{ + if (DISPLAY_VER(dev_priv) >= 9) + return 256 * 1024; + else if (IS_I965G(dev_priv) || IS_I965GM(dev_priv) || + IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) + return 128 * 1024; + else if (DISPLAY_VER(dev_priv) >= 4) + return 4 * 1024; + else + return 0; +} + +unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, + int color_plane) +{ + struct drm_i915_private *dev_priv = to_i915(fb->dev); + + if (intel_fb_uses_dpt(fb)) + return 512 * 4096; + + /* AUX_DIST needs only 4K alignment */ + if (is_ccs_plane(fb, color_plane)) + return 4096; + + if (is_semiplanar_uv_plane(fb, color_plane)) { + /* + * TODO: cross-check wrt. the bspec stride in bytes * 64 bytes + * alignment for linear UV planes on all platforms. + */ + if (DISPLAY_VER(dev_priv) >= 12) { + if (fb->modifier == DRM_FORMAT_MOD_LINEAR) + return intel_linear_alignment(dev_priv); + + return intel_tile_row_size(fb, color_plane); + } + + return 4096; + } + + drm_WARN_ON(&dev_priv->drm, color_plane != 0); + + switch (fb->modifier) { + case DRM_FORMAT_MOD_LINEAR: + return intel_linear_alignment(dev_priv); + case I915_FORMAT_MOD_X_TILED: + if (HAS_ASYNC_FLIPS(dev_priv)) + return 256 * 1024; + return 0; + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + return 16 * 1024; + case I915_FORMAT_MOD_Y_TILED_CCS: + case I915_FORMAT_MOD_Yf_TILED_CCS: + case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_Yf_TILED: + return 1 * 1024 * 1024; + default: + MISSING_CASE(fb->modifier); + return 0; + } +} + void intel_fb_plane_get_subsampling(int *hsub, int *vsub, const struct drm_framebuffer *fb, int color_plane) @@ -165,15 +357,29 @@ void intel_fb_plane_get_subsampling(int *hsub, int *vsub, static void intel_fb_plane_dims(const struct intel_framebuffer *fb, int color_plane, int *w, int *h) { + struct drm_i915_private *i915 = to_i915(fb->base.dev); int main_plane = is_ccs_plane(&fb->base, color_plane) ? skl_ccs_to_main_plane(&fb->base, color_plane) : 0; + unsigned int main_width = fb->base.width; + unsigned int main_height = fb->base.height; int main_hsub, main_vsub; int hsub, vsub; + /* + * On ADL-P the CCS AUX surface layout always aligns with the + * power-of-two aligned main surface stride. The main surface + * stride in the allocated FB object may not be power-of-two + * sized, in which case it is auto-padded to the POT size. + */ + if (IS_ALDERLAKE_P(i915) && is_ccs_plane(&fb->base, color_plane)) + main_width = gen12_aligned_scanout_stride(fb, 0) / + fb->base.format->cpp[0]; + intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, &fb->base, main_plane); intel_fb_plane_get_subsampling(&hsub, &vsub, &fb->base, color_plane); - *w = fb->base.width / main_hsub / hsub; - *h = fb->base.height / main_vsub / vsub; + + *w = main_width / main_hsub / hsub; + *h = main_height / main_vsub / vsub; } static u32 intel_adjust_tile_offset(int *x, int *y, @@ -355,17 +561,8 @@ static int intel_fb_offset_to_xy(int *x, int *y, unsigned int height; u32 alignment; - /* - * All DPT color planes must be 512*4k aligned (the amount mapped by a - * single DPT page). For ADL_P CCS FBs this only works by requiring - * the allocated offsets to be 2MB aligned. Once supoort to remap - * such FBs is added we can remove this requirement, as then all the - * planes can be remapped to an aligned offset. - */ - if (IS_ALDERLAKE_P(i915) && is_ccs_modifier(fb->modifier)) - alignment = 512 * 4096; - else if (DISPLAY_VER(i915) >= 12 && - is_semiplanar_uv_plane(fb, color_plane)) + if (DISPLAY_VER(i915) >= 12 && + is_semiplanar_uv_plane(fb, color_plane)) alignment = intel_tile_row_size(fb, color_plane); else if (fb->modifier != DRM_FORMAT_MOD_LINEAR) alignment = intel_tile_size(i915); @@ -416,7 +613,12 @@ static int intel_fb_check_ccs_xy(const struct drm_framebuffer *fb, int ccs_plane if (!is_ccs_plane(fb, ccs_plane) || is_gen12_ccs_cc_plane(fb, ccs_plane)) return 0; - intel_tile_dims(fb, ccs_plane, &tile_width, &tile_height); + /* + * While all the tile dimensions are based on a 2k or 4k GTT page size + * here the main and CCS coordinates must match only within a (64 byte + * on TGL+) block inside the tile. + */ + intel_tile_block_dims(fb, ccs_plane, &tile_width, &tile_height); intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane); tile_width *= hsub; @@ -491,8 +693,7 @@ bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb) { struct drm_i915_private *i915 = to_i915(fb->base.dev); - return IS_ALDERLAKE_P(i915) && fb->base.modifier != DRM_FORMAT_MOD_LINEAR && - !is_ccs_modifier(fb->base.modifier); + return IS_ALDERLAKE_P(i915) && fb->base.modifier != DRM_FORMAT_MOD_LINEAR; } static int intel_fb_pitch(const struct intel_framebuffer *fb, int color_plane, unsigned int rotation) @@ -612,14 +813,16 @@ static unsigned int plane_view_dst_stride_tiles(const struct intel_framebuffer *fb, int color_plane, unsigned int pitch_tiles) { - if (intel_fb_needs_pot_stride_remap(fb)) + if (intel_fb_needs_pot_stride_remap(fb)) { + unsigned int min_stride = is_ccs_plane(&fb->base, color_plane) ? 2 : 8; /* * ADL_P, the only platform needing a POT stride has a minimum - * of 8 stride tiles. + * of 8 main surface and 2 CCS AUX stride tiles. */ - return roundup_pow_of_two(max(pitch_tiles, 8u)); - else + return roundup_pow_of_two(max(pitch_tiles, min_stride)); + } else { return pitch_tiles; + } } static unsigned int @@ -655,7 +858,7 @@ static u32 calc_plane_remap_info(const struct intel_framebuffer *fb, int color_p unsigned int tile_height = dims->tile_height; unsigned int tile_size = intel_tile_size(i915); struct drm_rect r; - u32 size; + u32 size = 0; assign_chk_ovf(i915, remap_info->offset, obj_offset); assign_chk_ovf(i915, remap_info->src_stride, plane_view_src_stride_tiles(fb, color_plane, dims)); @@ -680,7 +883,7 @@ static u32 calc_plane_remap_info(const struct intel_framebuffer *fb, int color_p color_plane_info->stride = remap_info->dst_stride * tile_height; - size = remap_info->dst_stride * remap_info->width; + size += remap_info->dst_stride * remap_info->width; /* rotate the tile dimensions to match the GTT view */ swap(tile_width, tile_height); @@ -689,6 +892,14 @@ static u32 calc_plane_remap_info(const struct intel_framebuffer *fb, int color_p check_array_bounds(i915, view->gtt.remapped.plane, color_plane); + if (view->gtt.remapped.plane_alignment) { + unsigned int aligned_offset = ALIGN(gtt_offset, + view->gtt.remapped.plane_alignment); + + size += aligned_offset - gtt_offset; + gtt_offset = aligned_offset; + } + assign_chk_ovf(i915, remap_info->dst_stride, plane_view_dst_stride_tiles(fb, color_plane, remap_info->width)); @@ -698,7 +909,7 @@ static u32 calc_plane_remap_info(const struct intel_framebuffer *fb, int color_p color_plane_info->stride = remap_info->dst_stride * tile_width * fb->base.format->cpp[color_plane]; - size = remap_info->dst_stride * remap_info->height; + size += remap_info->dst_stride * remap_info->height; } /* @@ -745,10 +956,14 @@ calc_plane_normal_size(const struct intel_framebuffer *fb, int color_plane, return tiles; } -static void intel_fb_view_init(struct intel_fb_view *view, enum i915_ggtt_view_type view_type) +static void intel_fb_view_init(struct drm_i915_private *i915, struct intel_fb_view *view, + enum i915_ggtt_view_type view_type) { memset(view, 0, sizeof(*view)); view->gtt.type = view_type; + + if (view_type == I915_GGTT_VIEW_REMAPPED && IS_ALDERLAKE_P(i915)) + view->gtt.remapped.plane_alignment = SZ_2M / PAGE_SIZE; } bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb) @@ -769,16 +984,16 @@ int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer * int i, num_planes = fb->base.format->num_planes; unsigned int tile_size = intel_tile_size(i915); - intel_fb_view_init(&fb->normal_view, I915_GGTT_VIEW_NORMAL); + intel_fb_view_init(i915, &fb->normal_view, I915_GGTT_VIEW_NORMAL); drm_WARN_ON(&i915->drm, intel_fb_supports_90_270_rotation(fb) && intel_fb_needs_pot_stride_remap(fb)); if (intel_fb_supports_90_270_rotation(fb)) - intel_fb_view_init(&fb->rotated_view, I915_GGTT_VIEW_ROTATED); + intel_fb_view_init(i915, &fb->rotated_view, I915_GGTT_VIEW_ROTATED); if (intel_fb_needs_pot_stride_remap(fb)) - intel_fb_view_init(&fb->remapped_view, I915_GGTT_VIEW_REMAPPED); + intel_fb_view_init(i915, &fb->remapped_view, I915_GGTT_VIEW_REMAPPED); for (i = 0; i < num_planes; i++) { struct fb_plane_view_dims view_dims; @@ -856,7 +1071,7 @@ static void intel_plane_remap_gtt(struct intel_plane_state *plane_state) unsigned int src_w, src_h; u32 gtt_offset = 0; - intel_fb_view_init(&plane_state->view, + intel_fb_view_init(i915, &plane_state->view, drm_rotation_90_or_270(rotation) ? I915_GGTT_VIEW_ROTATED : I915_GGTT_VIEW_REMAPPED); @@ -918,6 +1133,79 @@ void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotatio *view = fb->normal_view; } +static +u32 intel_fb_max_stride(struct drm_i915_private *dev_priv, + u32 pixel_format, u64 modifier) +{ + /* + * Arbitrary limit for gen4+ chosen to match the + * render engine max stride. + * + * The new CCS hash mode makes remapping impossible + */ + if (DISPLAY_VER(dev_priv) < 4 || is_ccs_modifier(modifier) || + intel_modifier_uses_dpt(dev_priv, modifier)) + return intel_plane_fb_max_stride(dev_priv, pixel_format, modifier); + else if (DISPLAY_VER(dev_priv) >= 7) + return 256 * 1024; + else + return 128 * 1024; +} + +static u32 +intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane) +{ + struct drm_i915_private *dev_priv = to_i915(fb->dev); + u32 tile_width; + + if (is_surface_linear(fb, color_plane)) { + u32 max_stride = intel_plane_fb_max_stride(dev_priv, + fb->format->format, + fb->modifier); + + /* + * To make remapping with linear generally feasible + * we need the stride to be page aligned. + */ + if (fb->pitches[color_plane] > max_stride && + !is_ccs_modifier(fb->modifier)) + return intel_tile_size(dev_priv); + else + return 64; + } + + tile_width = intel_tile_width_bytes(fb, color_plane); + if (is_ccs_modifier(fb->modifier)) { + /* + * On ADL-P the stride must be either 8 tiles or a stride + * that is aligned to 16 tiles, required by the 16 tiles = + * 64 kbyte CCS AUX PTE granularity, allowing CCS FBs to be + * remapped. + */ + if (IS_ALDERLAKE_P(dev_priv)) + tile_width *= fb->pitches[0] <= tile_width * 8 ? 8 : 16; + /* + * On TGL the surface stride must be 4 tile aligned, mapped by + * one 64 byte cacheline on the CCS AUX surface. + */ + else if (DISPLAY_VER(dev_priv) >= 12) + tile_width *= 4; + /* + * Display WA #0531: skl,bxt,kbl,glk + * + * Render decompression and plane width > 3840 + * combined with horizontal panning requires the + * plane stride to be a multiple of 4. We'll just + * require the entire fb to accommodate that to avoid + * potential runtime errors at plane configuration time. + */ + else if ((DISPLAY_VER(dev_priv) == 9 || IS_GEMINILAKE(dev_priv)) && + color_plane == 0 && fb->width > 3840) + tile_width *= 4; + } + return tile_width; +} + static int intel_plane_check_stride(const struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane); @@ -981,3 +1269,257 @@ int intel_plane_compute_gtt(struct intel_plane_state *plane_state) return intel_plane_check_stride(plane_state); } + +static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); + + drm_framebuffer_cleanup(fb); + + if (intel_fb_uses_dpt(fb)) + intel_dpt_destroy(intel_fb->dpt_vm); + + intel_frontbuffer_put(intel_fb->frontbuffer); + + kfree(intel_fb); +} + +static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, + struct drm_file *file, + unsigned int *handle) +{ + struct drm_i915_gem_object *obj = intel_fb_obj(fb); + struct drm_i915_private *i915 = to_i915(obj->base.dev); + + if (i915_gem_object_is_userptr(obj)) { + drm_dbg(&i915->drm, + "attempting to use a userptr for a framebuffer, denied\n"); + return -EINVAL; + } + + return drm_gem_handle_create(file, &obj->base, handle); +} + +static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb, + struct drm_file *file, + unsigned int flags, unsigned int color, + struct drm_clip_rect *clips, + unsigned int num_clips) +{ + struct drm_i915_gem_object *obj = intel_fb_obj(fb); + + i915_gem_object_flush_if_display(obj); + intel_frontbuffer_flush(to_intel_frontbuffer(fb), ORIGIN_DIRTYFB); + + return 0; +} + +static const struct drm_framebuffer_funcs intel_fb_funcs = { + .destroy = intel_user_framebuffer_destroy, + .create_handle = intel_user_framebuffer_create_handle, + .dirty = intel_user_framebuffer_dirty, +}; + +int intel_framebuffer_init(struct intel_framebuffer *intel_fb, + struct drm_i915_gem_object *obj, + struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_i915_private *dev_priv = to_i915(obj->base.dev); + struct drm_framebuffer *fb = &intel_fb->base; + u32 max_stride; + unsigned int tiling, stride; + int ret = -EINVAL; + int i; + + intel_fb->frontbuffer = intel_frontbuffer_get(obj); + if (!intel_fb->frontbuffer) + return -ENOMEM; + + i915_gem_object_lock(obj, NULL); + tiling = i915_gem_object_get_tiling(obj); + stride = i915_gem_object_get_stride(obj); + i915_gem_object_unlock(obj); + + if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { + /* + * If there's a fence, enforce that + * the fb modifier and tiling mode match. + */ + if (tiling != I915_TILING_NONE && + tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) { + drm_dbg_kms(&dev_priv->drm, + "tiling_mode doesn't match fb modifier\n"); + goto err; + } + } else { + if (tiling == I915_TILING_X) { + mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; + } else if (tiling == I915_TILING_Y) { + drm_dbg_kms(&dev_priv->drm, + "No Y tiling for legacy addfb\n"); + goto err; + } + } + + if (!drm_any_plane_has_format(&dev_priv->drm, + mode_cmd->pixel_format, + mode_cmd->modifier[0])) { + drm_dbg_kms(&dev_priv->drm, + "unsupported pixel format %p4cc / modifier 0x%llx\n", + &mode_cmd->pixel_format, mode_cmd->modifier[0]); + goto err; + } + + /* + * gen2/3 display engine uses the fence if present, + * so the tiling mode must match the fb modifier exactly. + */ + if (DISPLAY_VER(dev_priv) < 4 && + tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) { + drm_dbg_kms(&dev_priv->drm, + "tiling_mode must match fb modifier exactly on gen2/3\n"); + goto err; + } + + max_stride = intel_fb_max_stride(dev_priv, mode_cmd->pixel_format, + mode_cmd->modifier[0]); + if (mode_cmd->pitches[0] > max_stride) { + drm_dbg_kms(&dev_priv->drm, + "%s pitch (%u) must be at most %d\n", + mode_cmd->modifier[0] != DRM_FORMAT_MOD_LINEAR ? + "tiled" : "linear", + mode_cmd->pitches[0], max_stride); + goto err; + } + + /* + * If there's a fence, enforce that + * the fb pitch and fence stride match. + */ + if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) { + drm_dbg_kms(&dev_priv->drm, + "pitch (%d) must match tiling stride (%d)\n", + mode_cmd->pitches[0], stride); + goto err; + } + + /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ + if (mode_cmd->offsets[0] != 0) { + drm_dbg_kms(&dev_priv->drm, + "plane 0 offset (0x%08x) must be 0\n", + mode_cmd->offsets[0]); + goto err; + } + + drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd); + + for (i = 0; i < fb->format->num_planes; i++) { + u32 stride_alignment; + + if (mode_cmd->handles[i] != mode_cmd->handles[0]) { + drm_dbg_kms(&dev_priv->drm, "bad plane %d handle\n", + i); + goto err; + } + + stride_alignment = intel_fb_stride_alignment(fb, i); + if (fb->pitches[i] & (stride_alignment - 1)) { + drm_dbg_kms(&dev_priv->drm, + "plane %d pitch (%d) must be at least %u byte aligned\n", + i, fb->pitches[i], stride_alignment); + goto err; + } + + if (is_gen12_ccs_plane(fb, i) && !is_gen12_ccs_cc_plane(fb, i)) { + int ccs_aux_stride = gen12_ccs_aux_stride(intel_fb, i); + + if (fb->pitches[i] != ccs_aux_stride) { + drm_dbg_kms(&dev_priv->drm, + "ccs aux plane %d pitch (%d) must be %d\n", + i, + fb->pitches[i], ccs_aux_stride); + goto err; + } + } + + fb->obj[i] = &obj->base; + } + + ret = intel_fill_fb_info(dev_priv, intel_fb); + if (ret) + goto err; + + if (intel_fb_uses_dpt(fb)) { + struct i915_address_space *vm; + + vm = intel_dpt_create(intel_fb); + if (IS_ERR(vm)) { + ret = PTR_ERR(vm); + goto err; + } + + intel_fb->dpt_vm = vm; + } + + ret = drm_framebuffer_init(&dev_priv->drm, fb, &intel_fb_funcs); + if (ret) { + drm_err(&dev_priv->drm, "framebuffer init failed %d\n", ret); + goto err; + } + + return 0; + +err: + intel_frontbuffer_put(intel_fb->frontbuffer); + return ret; +} + +struct drm_framebuffer * +intel_user_framebuffer_create(struct drm_device *dev, + struct drm_file *filp, + const struct drm_mode_fb_cmd2 *user_mode_cmd) +{ + struct drm_framebuffer *fb; + struct drm_i915_gem_object *obj; + struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd; + struct drm_i915_private *i915; + + obj = i915_gem_object_lookup(filp, mode_cmd.handles[0]); + if (!obj) + return ERR_PTR(-ENOENT); + + /* object is backed with LMEM for discrete */ + i915 = to_i915(obj->base.dev); + if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM)) { + /* object is "remote", not in local memory */ + i915_gem_object_put(obj); + return ERR_PTR(-EREMOTE); + } + + fb = intel_framebuffer_create(obj, &mode_cmd); + i915_gem_object_put(obj); + + return fb; +} + +struct drm_framebuffer * +intel_framebuffer_create(struct drm_i915_gem_object *obj, + struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct intel_framebuffer *intel_fb; + int ret; + + intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); + if (!intel_fb) + return ERR_PTR(-ENOMEM); + + ret = intel_framebuffer_init(intel_fb, obj, mode_cmd); + if (ret) + goto err; + + return &intel_fb->base; + +err: + kfree(intel_fb); + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h index 739d1b91754b..1cbdd84502bd 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.h +++ b/drivers/gpu/drm/i915/display/intel_fb.h @@ -8,10 +8,12 @@ #include <linux/types.h> +struct drm_device; +struct drm_file; struct drm_framebuffer; - +struct drm_i915_gem_object; struct drm_i915_private; - +struct drm_mode_fb_cmd2; struct intel_fb_view; struct intel_framebuffer; struct intel_plane_state; @@ -28,10 +30,14 @@ int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane); int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); unsigned int intel_tile_size(const struct drm_i915_private *i915); +unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane); unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane); - +unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, + int color_plane, unsigned int height); unsigned int intel_cursor_alignment(const struct drm_i915_private *i915); +unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, + int color_plane); void intel_fb_plane_get_subsampling(int *hsub, int *vsub, const struct drm_framebuffer *fb, @@ -53,4 +59,12 @@ void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotatio struct intel_fb_view *view); int intel_plane_compute_gtt(struct intel_plane_state *plane_state); +int intel_framebuffer_init(struct intel_framebuffer *ifb, + struct drm_i915_gem_object *obj, + struct drm_mode_fb_cmd2 *mode_cmd); +struct drm_framebuffer * +intel_user_framebuffer_create(struct drm_device *dev, + struct drm_file *filp, + const struct drm_mode_fb_cmd2 *user_mode_cmd); + #endif /* __INTEL_FB_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index ddfc17e21668..1f66de77a6b1 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -62,19 +62,84 @@ static void intel_fbc_get_plane_source_size(const struct intel_fbc_state_cache * *height = cache->plane.src_h; } -static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv, - const struct intel_fbc_state_cache *cache) +/* plane stride in pixels */ +static unsigned int intel_fbc_plane_stride(const struct intel_plane_state *plane_state) { - int lines; + const struct drm_framebuffer *fb = plane_state->hw.fb; + unsigned int stride; + + stride = plane_state->view.color_plane[0].stride; + if (!drm_rotation_90_or_270(plane_state->hw.rotation)) + stride /= fb->format->cpp[0]; + + return stride; +} + +/* plane stride based cfb stride in bytes, assuming 1:1 compression limit */ +static unsigned int _intel_fbc_cfb_stride(const struct intel_fbc_state_cache *cache) +{ + unsigned int cpp = 4; /* FBC always 4 bytes per pixel */ + + return cache->fb.stride * cpp; +} + +/* minimum acceptable cfb stride in bytes, assuming 1:1 compression limit */ +static unsigned int skl_fbc_min_cfb_stride(struct drm_i915_private *i915, + const struct intel_fbc_state_cache *cache) +{ + unsigned int limit = 4; /* 1:4 compression limit is the worst case */ + unsigned int cpp = 4; /* FBC always 4 bytes per pixel */ + unsigned int height = 4; /* FBC segment is 4 lines */ + unsigned int stride; + + /* minimum segment stride we can use */ + stride = cache->plane.src_w * cpp * height / limit; + + /* + * Wa_16011863758: icl+ + * Avoid some hardware segment address miscalculation. + */ + if (DISPLAY_VER(i915) >= 11) + stride += 64; + + /* + * At least some of the platforms require each 4 line segment to + * be 512 byte aligned. Just do it always for simplicity. + */ + stride = ALIGN(stride, 512); + + /* convert back to single line equivalent with 1:1 compression limit */ + return stride * limit / height; +} + +/* properly aligned cfb stride in bytes, assuming 1:1 compression limit */ +static unsigned int intel_fbc_cfb_stride(struct drm_i915_private *i915, + const struct intel_fbc_state_cache *cache) +{ + unsigned int stride = _intel_fbc_cfb_stride(cache); + + /* + * At least some of the platforms require each 4 line segment to + * be 512 byte aligned. Aligning each line to 512 bytes guarantees + * that regardless of the compression limit we choose later. + */ + if (DISPLAY_VER(i915) >= 9) + return max(ALIGN(stride, 512), skl_fbc_min_cfb_stride(i915, cache)); + else + return stride; +} + +static unsigned int intel_fbc_cfb_size(struct drm_i915_private *dev_priv, + const struct intel_fbc_state_cache *cache) +{ + int lines = cache->plane.src_h; - intel_fbc_get_plane_source_size(cache, NULL, &lines); if (DISPLAY_VER(dev_priv) == 7) lines = min(lines, 2048); else if (DISPLAY_VER(dev_priv) >= 8) lines = min(lines, 2560); - /* Hardware needs the full buffer stride, not just the active area. */ - return lines * cache->fb.stride; + return lines * intel_fbc_cfb_stride(dev_priv, cache); } static void i8xx_fbc_deactivate(struct drm_i915_private *dev_priv) @@ -99,15 +164,13 @@ static void i8xx_fbc_deactivate(struct drm_i915_private *dev_priv) static void i8xx_fbc_activate(struct drm_i915_private *dev_priv) { - struct intel_fbc_reg_params *params = &dev_priv->fbc.params; + struct intel_fbc *fbc = &dev_priv->fbc; + const struct intel_fbc_reg_params *params = &fbc->params; int cfb_pitch; int i; u32 fbc_ctl; - /* Note: fbc.limit == 1 for i8xx */ - cfb_pitch = params->cfb_size / FBC_LL_SIZE; - if (params->fb.stride < cfb_pitch) - cfb_pitch = params->fb.stride; + cfb_pitch = params->cfb_stride / fbc->limit; /* FBC_CTL wants 32B or 64B units */ if (DISPLAY_VER(dev_priv) == 2) @@ -150,15 +213,9 @@ static bool i8xx_fbc_is_active(struct drm_i915_private *dev_priv) static u32 g4x_dpfc_ctl_limit(struct drm_i915_private *i915) { - const struct intel_fbc_reg_params *params = &i915->fbc.params; - int limit = i915->fbc.limit; - - if (params->fb.format->cpp[0] == 2) - limit <<= 1; - - switch (limit) { + switch (i915->fbc.limit) { default: - MISSING_CASE(limit); + MISSING_CASE(i915->fbc.limit); fallthrough; case 1: return DPFC_CTL_LIMIT_1X; @@ -232,16 +289,16 @@ static void i965_fbc_recompress(struct drm_i915_private *dev_priv) /* This function forces a CFB recompression through the nuke operation. */ static void snb_fbc_recompress(struct drm_i915_private *dev_priv) { - struct intel_fbc *fbc = &dev_priv->fbc; - - trace_intel_fbc_nuke(fbc->crtc); - intel_de_write(dev_priv, MSG_FBC_REND_STATE, FBC_REND_NUKE); intel_de_posting_read(dev_priv, MSG_FBC_REND_STATE); } static void intel_fbc_recompress(struct drm_i915_private *dev_priv) { + struct intel_fbc *fbc = &dev_priv->fbc; + + trace_intel_fbc_nuke(fbc->crtc); + if (DISPLAY_VER(dev_priv) >= 6) snb_fbc_recompress(dev_priv); else if (DISPLAY_VER(dev_priv) >= 4) @@ -280,8 +337,6 @@ static void ilk_fbc_activate(struct drm_i915_private *dev_priv) params->fence_y_offset); /* enable it... */ intel_de_write(dev_priv, ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN); - - intel_fbc_recompress(dev_priv); } static void ilk_fbc_deactivate(struct drm_i915_private *dev_priv) @@ -303,19 +358,29 @@ static bool ilk_fbc_is_active(struct drm_i915_private *dev_priv) static void gen7_fbc_activate(struct drm_i915_private *dev_priv) { - struct intel_fbc_reg_params *params = &dev_priv->fbc.params; + struct intel_fbc *fbc = &dev_priv->fbc; + const struct intel_fbc_reg_params *params = &fbc->params; u32 dpfc_ctl; - /* Display WA #0529: skl, kbl, bxt. */ - if (DISPLAY_VER(dev_priv) == 9) { - u32 val = intel_de_read(dev_priv, CHICKEN_MISC_4); + if (DISPLAY_VER(dev_priv) >= 10) { + u32 val = 0; - val &= ~(FBC_STRIDE_OVERRIDE | FBC_STRIDE_MASK); + if (params->override_cfb_stride) + val |= FBC_STRIDE_OVERRIDE | + FBC_STRIDE(params->override_cfb_stride / fbc->limit); - if (params->gen9_wa_cfb_stride) - val |= FBC_STRIDE_OVERRIDE | params->gen9_wa_cfb_stride; + intel_de_write(dev_priv, GLK_FBC_STRIDE, val); + } else if (DISPLAY_VER(dev_priv) == 9) { + u32 val = 0; - intel_de_write(dev_priv, CHICKEN_MISC_4, val); + /* Display WA #0529: skl, kbl, bxt. */ + if (params->override_cfb_stride) + val |= CHICKEN_FBC_STRIDE_OVERRIDE | + CHICKEN_FBC_STRIDE(params->override_cfb_stride / fbc->limit); + + intel_de_rmw(dev_priv, CHICKEN_MISC_4, + CHICKEN_FBC_STRIDE_OVERRIDE | + CHICKEN_FBC_STRIDE_MASK, val); } dpfc_ctl = 0; @@ -339,8 +404,6 @@ static void gen7_fbc_activate(struct drm_i915_private *dev_priv) dpfc_ctl |= FBC_CTL_FALSE_COLOR; intel_de_write(dev_priv, ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN); - - intel_fbc_recompress(dev_priv); } static bool intel_fbc_hw_is_active(struct drm_i915_private *dev_priv) @@ -402,6 +465,12 @@ bool intel_fbc_is_active(struct drm_i915_private *dev_priv) return dev_priv->fbc.active; } +static void intel_fbc_activate(struct drm_i915_private *dev_priv) +{ + intel_fbc_hw_activate(dev_priv); + intel_fbc_recompress(dev_priv); +} + static void intel_fbc_deactivate(struct drm_i915_private *dev_priv, const char *reason) { @@ -440,30 +509,32 @@ static u64 intel_fbc_stolen_end(struct drm_i915_private *dev_priv) return min(end, intel_fbc_cfb_base_max(dev_priv)); } -static int intel_fbc_max_limit(struct drm_i915_private *dev_priv, int fb_cpp) +static int intel_fbc_min_limit(int fb_cpp) { - /* - * FIXME: FBC1 can have arbitrary cfb stride, - * so we could support different compression ratios. - */ - if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) - return 1; + return fb_cpp == 2 ? 2 : 1; +} +static int intel_fbc_max_limit(struct drm_i915_private *dev_priv) +{ /* WaFbcOnly1to1Ratio:ctg */ if (IS_G4X(dev_priv)) return 1; - /* FBC2 can only do 1:1, 1:2, 1:4 */ - return fb_cpp == 2 ? 2 : 4; + /* + * FBC2 can only do 1:1, 1:2, 1:4, we limit + * FBC1 to the same out of convenience. + */ + return 4; } static int find_compression_limit(struct drm_i915_private *dev_priv, - unsigned int size, - unsigned int fb_cpp) + unsigned int size, int min_limit) { struct intel_fbc *fbc = &dev_priv->fbc; u64 end = intel_fbc_stolen_end(dev_priv); - int ret, limit = 1; + int ret, limit = min_limit; + + size /= limit; /* Try to over-allocate to reduce reallocations and fragmentation. */ ret = i915_gem_stolen_insert_node_in_range(dev_priv, &fbc->compressed_fb, @@ -471,7 +542,7 @@ static int find_compression_limit(struct drm_i915_private *dev_priv, if (ret == 0) return limit; - for (; limit <= intel_fbc_max_limit(dev_priv, fb_cpp); limit <<= 1) { + for (; limit <= intel_fbc_max_limit(dev_priv); limit <<= 1) { ret = i915_gem_stolen_insert_node_in_range(dev_priv, &fbc->compressed_fb, size >>= 1, 4096, 0, end); if (ret == 0) @@ -482,7 +553,7 @@ static int find_compression_limit(struct drm_i915_private *dev_priv, } static int intel_fbc_alloc_cfb(struct drm_i915_private *dev_priv, - unsigned int size, unsigned int fb_cpp) + unsigned int size, int min_limit) { struct intel_fbc *fbc = &dev_priv->fbc; int ret; @@ -499,13 +570,12 @@ static int intel_fbc_alloc_cfb(struct drm_i915_private *dev_priv, goto err; } - ret = find_compression_limit(dev_priv, size, fb_cpp); + ret = find_compression_limit(dev_priv, size, min_limit); if (!ret) goto err_llb; - else if (ret > 1) { + else if (ret > min_limit) drm_info_once(&dev_priv->drm, "Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.\n"); - } fbc->limit = ret; @@ -675,11 +745,10 @@ static bool tiling_is_valid(struct drm_i915_private *dev_priv, { switch (modifier) { case DRM_FORMAT_MOD_LINEAR: - if (DISPLAY_VER(dev_priv) >= 9) - return true; - return false; - case I915_FORMAT_MOD_X_TILED: case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_Yf_TILED: + return DISPLAY_VER(dev_priv) >= 9; + case I915_FORMAT_MOD_X_TILED: return true; default: return false; @@ -718,11 +787,7 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc, cache->fb.format = fb->format; cache->fb.modifier = fb->modifier; - - /* FIXME is this correct? */ - cache->fb.stride = plane_state->view.color_plane[0].stride; - if (drm_rotation_90_or_270(plane_state->hw.rotation)) - cache->fb.stride *= fb->format->cpp[0]; + cache->fb.stride = intel_fbc_plane_stride(plane_state); /* FBC1 compression interval: arbitrary choice of 1 second */ cache->interval = drm_mode_vrefresh(&crtc_state->hw.adjusted_mode); @@ -745,27 +810,29 @@ static bool intel_fbc_cfb_size_changed(struct drm_i915_private *dev_priv) { struct intel_fbc *fbc = &dev_priv->fbc; - return intel_fbc_calculate_cfb_size(dev_priv, &fbc->state_cache) > + return intel_fbc_cfb_size(dev_priv, &fbc->state_cache) > fbc->compressed_fb.size * fbc->limit; } -static u16 intel_fbc_gen9_wa_cfb_stride(struct drm_i915_private *dev_priv) +static u16 intel_fbc_override_cfb_stride(struct drm_i915_private *dev_priv, + const struct intel_fbc_state_cache *cache) { - struct intel_fbc *fbc = &dev_priv->fbc; - struct intel_fbc_state_cache *cache = &fbc->state_cache; - - if ((DISPLAY_VER(dev_priv) == 9) && - cache->fb.modifier != I915_FORMAT_MOD_X_TILED) - return DIV_ROUND_UP(cache->plane.src_w, 32 * fbc->limit) * 8; - else - return 0; -} + unsigned int stride = _intel_fbc_cfb_stride(cache); + unsigned int stride_aligned = intel_fbc_cfb_stride(dev_priv, cache); -static bool intel_fbc_gen9_wa_cfb_stride_changed(struct drm_i915_private *dev_priv) -{ - struct intel_fbc *fbc = &dev_priv->fbc; + /* + * Override stride in 64 byte units per 4 line segment. + * + * Gen9 hw miscalculates cfb stride for linear as + * PLANE_STRIDE*512 instead of PLANE_STRIDE*64, so + * we always need to use the override there. + */ + if (stride != stride_aligned || + (DISPLAY_VER(dev_priv) == 9 && + cache->fb.modifier == DRM_FORMAT_MOD_LINEAR)) + return stride_aligned * 4 / 64; - return fbc->params.gen9_wa_cfb_stride != intel_fbc_gen9_wa_cfb_stride(dev_priv); + return 0; } static bool intel_fbc_can_enable(struct drm_i915_private *dev_priv) @@ -860,7 +927,8 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc) return false; } - if (!stride_is_valid(dev_priv, cache->fb.modifier, cache->fb.stride)) { + if (!stride_is_valid(dev_priv, cache->fb.modifier, + cache->fb.stride * cache->fb.format->cpp[0])) { fbc->no_fbc_reason = "framebuffer stride not supported"; return false; } @@ -948,9 +1016,9 @@ static void intel_fbc_get_reg_params(struct intel_crtc *crtc, params->fb.modifier = cache->fb.modifier; params->fb.stride = cache->fb.stride; - params->cfb_size = intel_fbc_calculate_cfb_size(dev_priv, cache); - - params->gen9_wa_cfb_stride = cache->gen9_wa_cfb_stride; + params->cfb_stride = intel_fbc_cfb_stride(dev_priv, cache); + params->cfb_size = intel_fbc_cfb_size(dev_priv, cache); + params->override_cfb_stride = intel_fbc_override_cfb_stride(dev_priv, cache); params->plane_visible = cache->plane.visible; } @@ -981,10 +1049,13 @@ static bool intel_fbc_can_flip_nuke(const struct intel_crtc_state *crtc_state) if (params->fb.stride != cache->fb.stride) return false; - if (params->cfb_size != intel_fbc_calculate_cfb_size(dev_priv, cache)) + if (params->cfb_stride != intel_fbc_cfb_stride(dev_priv, cache)) + return false; + + if (params->cfb_size != intel_fbc_cfb_size(dev_priv, cache)) return false; - if (params->gen9_wa_cfb_stride != cache->gen9_wa_cfb_stride) + if (params->override_cfb_stride != intel_fbc_override_cfb_stride(dev_priv, cache)) return false; return true; @@ -1090,7 +1161,7 @@ static void __intel_fbc_post_update(struct intel_crtc *crtc) return; if (!fbc->busy_bits) - intel_fbc_hw_activate(dev_priv); + intel_fbc_activate(dev_priv); else intel_fbc_deactivate(dev_priv, "frontbuffer write"); } @@ -1129,7 +1200,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv, if (!HAS_FBC(dev_priv)) return; - if (origin == ORIGIN_GTT || origin == ORIGIN_FLIP) + if (origin == ORIGIN_FLIP || origin == ORIGIN_CURSOR_UPDATE) return; mutex_lock(&fbc->lock); @@ -1150,19 +1221,11 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv, if (!HAS_FBC(dev_priv)) return; - /* - * GTT tracking does not nuke the entire cfb - * so don't clear busy_bits set for some other - * reason. - */ - if (origin == ORIGIN_GTT) - return; - mutex_lock(&fbc->lock); fbc->busy_bits &= ~frontbuffer_bits; - if (origin == ORIGIN_FLIP) + if (origin == ORIGIN_FLIP || origin == ORIGIN_CURSOR_UPDATE) goto out; if (!fbc->busy_bits && fbc->crtc && @@ -1246,8 +1309,8 @@ out: * intel_fbc_enable multiple times for the same pipe without an * intel_fbc_disable in the middle, as long as it is deactivated. */ -void intel_fbc_enable(struct intel_atomic_state *state, - struct intel_crtc *crtc) +static void intel_fbc_enable(struct intel_atomic_state *state, + struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_plane *plane = to_intel_plane(crtc->base.primary); @@ -1257,16 +1320,22 @@ void intel_fbc_enable(struct intel_atomic_state *state, intel_atomic_get_new_plane_state(state, plane); struct intel_fbc *fbc = &dev_priv->fbc; struct intel_fbc_state_cache *cache = &fbc->state_cache; + int min_limit; if (!plane->has_fbc || !plane_state) return; + min_limit = intel_fbc_min_limit(plane_state->hw.fb ? + plane_state->hw.fb->format->cpp[0] : 0); + mutex_lock(&fbc->lock); if (fbc->crtc) { - if (fbc->crtc != crtc || - (!intel_fbc_cfb_size_changed(dev_priv) && - !intel_fbc_gen9_wa_cfb_stride_changed(dev_priv))) + if (fbc->crtc != crtc) + goto out; + + if (fbc->limit >= min_limit && + !intel_fbc_cfb_size_changed(dev_priv)) goto out; __intel_fbc_disable(dev_priv); @@ -1281,15 +1350,12 @@ void intel_fbc_enable(struct intel_atomic_state *state, goto out; if (intel_fbc_alloc_cfb(dev_priv, - intel_fbc_calculate_cfb_size(dev_priv, cache), - plane_state->hw.fb->format->cpp[0])) { + intel_fbc_cfb_size(dev_priv, cache), min_limit)) { cache->plane.visible = false; fbc->no_fbc_reason = "not enough stolen memory"; goto out; } - cache->gen9_wa_cfb_stride = intel_fbc_gen9_wa_cfb_stride(dev_priv); - drm_dbg_kms(&dev_priv->drm, "Enabling FBC on pipe %c\n", pipe_name(crtc->pipe)); fbc->no_fbc_reason = "FBC enabled but not active yet\n"; @@ -1323,6 +1389,28 @@ void intel_fbc_disable(struct intel_crtc *crtc) } /** + * intel_fbc_update: enable/disable FBC on the CRTC + * @state: atomic state + * @crtc: the CRTC + * + * This function checks if the given CRTC was chosen for FBC, then enables it if + * possible. Notice that it doesn't activate FBC. It is valid to call + * intel_fbc_update multiple times for the same pipe without an + * intel_fbc_disable in the middle. + */ +void intel_fbc_update(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + const struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + if (crtc_state->update_pipe && !crtc_state->enable_fbc) + intel_fbc_disable(crtc); + else + intel_fbc_enable(state, crtc); +} + +/** * intel_fbc_global_disable - globally disable FBC * @dev_priv: i915 device instance * diff --git a/drivers/gpu/drm/i915/display/intel_fbc.h b/drivers/gpu/drm/i915/display/intel_fbc.h index 6dc1edefe81b..b97d908738e6 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.h +++ b/drivers/gpu/drm/i915/display/intel_fbc.h @@ -24,7 +24,7 @@ bool intel_fbc_pre_update(struct intel_atomic_state *state, void intel_fbc_post_update(struct intel_atomic_state *state, struct intel_crtc *crtc); void intel_fbc_init(struct drm_i915_private *dev_priv); -void intel_fbc_enable(struct intel_atomic_state *state, +void intel_fbc_update(struct intel_atomic_state *state, struct intel_crtc *crtc); void intel_fbc_disable(struct intel_crtc *crtc); void intel_fbc_global_disable(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index df05d285f0bd..53484267b2a4 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -45,6 +45,7 @@ #include "i915_drv.h" #include "intel_display_types.h" +#include "intel_fb.h" #include "intel_fbdev.h" #include "intel_frontbuffer.h" @@ -229,8 +230,6 @@ static int intelfb_create(struct drm_fb_helper *helper, goto out_unlock; } - intel_frontbuffer_flush(to_frontbuffer(ifbdev), ORIGIN_DIRTYFB); - info = drm_fb_helper_alloc_fbi(helper); if (IS_ERR(info)) { drm_err(&dev_priv->drm, "Failed to allocate fb_info\n"); diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c index e10b9cd8e86e..51d6f810e69b 100644 --- a/drivers/gpu/drm/i915/display/intel_fdi.c +++ b/drivers/gpu/drm/i915/display/intel_fdi.c @@ -2,11 +2,112 @@ /* * Copyright © 2020 Intel Corporation */ + #include "intel_atomic.h" #include "intel_ddi.h" #include "intel_de.h" #include "intel_display_types.h" #include "intel_fdi.h" +#include "intel_sideband.h" + +static void assert_fdi_tx(struct drm_i915_private *dev_priv, + enum pipe pipe, bool state) +{ + bool cur_state; + + if (HAS_DDI(dev_priv)) { + /* + * DDI does not have a specific FDI_TX register. + * + * FDI is never fed from EDP transcoder + * so pipe->transcoder cast is fine here. + */ + enum transcoder cpu_transcoder = (enum transcoder)pipe; + cur_state = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)) & TRANS_DDI_FUNC_ENABLE; + } else { + cur_state = intel_de_read(dev_priv, FDI_TX_CTL(pipe)) & FDI_TX_ENABLE; + } + I915_STATE_WARN(cur_state != state, + "FDI TX state assertion failure (expected %s, current %s)\n", + onoff(state), onoff(cur_state)); +} + +void assert_fdi_tx_enabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_fdi_tx(i915, pipe, true); +} + +void assert_fdi_tx_disabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_fdi_tx(i915, pipe, false); +} + +static void assert_fdi_rx(struct drm_i915_private *dev_priv, + enum pipe pipe, bool state) +{ + bool cur_state; + + cur_state = intel_de_read(dev_priv, FDI_RX_CTL(pipe)) & FDI_RX_ENABLE; + I915_STATE_WARN(cur_state != state, + "FDI RX state assertion failure (expected %s, current %s)\n", + onoff(state), onoff(cur_state)); +} + +void assert_fdi_rx_enabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_fdi_rx(i915, pipe, true); +} + +void assert_fdi_rx_disabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_fdi_rx(i915, pipe, false); +} + +void assert_fdi_tx_pll_enabled(struct drm_i915_private *i915, + enum pipe pipe) +{ + bool cur_state; + + /* ILK FDI PLL is always enabled */ + if (IS_IRONLAKE(i915)) + return; + + /* On Haswell, DDI ports are responsible for the FDI PLL setup */ + if (HAS_DDI(i915)) + return; + + cur_state = intel_de_read(i915, FDI_TX_CTL(pipe)) & FDI_TX_PLL_ENABLE; + I915_STATE_WARN(!cur_state, "FDI TX PLL assertion failure, should be active but is disabled\n"); +} + +static void assert_fdi_rx_pll(struct drm_i915_private *i915, + enum pipe pipe, bool state) +{ + bool cur_state; + + cur_state = intel_de_read(i915, FDI_RX_CTL(pipe)) & FDI_RX_PLL_ENABLE; + I915_STATE_WARN(cur_state != state, + "FDI RX PLL assertion failure (expected %s, current %s)\n", + onoff(state), onoff(cur_state)); +} + +void assert_fdi_rx_pll_enabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_fdi_rx_pll(i915, pipe, true); +} + +void assert_fdi_rx_pll_disabled(struct drm_i915_private *i915, enum pipe pipe) +{ + assert_fdi_rx_pll(i915, pipe, false); +} + +void intel_fdi_link_train(struct intel_crtc *crtc, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + + dev_priv->fdi_funcs->fdi_link_train(crtc, crtc_state); +} /* units of 100MHz */ static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) @@ -91,8 +192,34 @@ static int ilk_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, } return 0; default: - BUG(); + MISSING_CASE(pipe); + return 0; + } +} + +void intel_fdi_pll_freq_update(struct drm_i915_private *i915) +{ + if (IS_IRONLAKE(i915)) { + u32 fdi_pll_clk = + intel_de_read(i915, FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK; + + i915->fdi_pll_freq = (fdi_pll_clk + 2) * 10000; + } else if (IS_SANDYBRIDGE(i915) || IS_IVYBRIDGE(i915)) { + i915->fdi_pll_freq = 270000; + } else { + return; } + + drm_dbg(&i915->drm, "FDI PLL freq=%d\n", i915->fdi_pll_freq); +} + +int intel_fdi_link_freq(struct drm_i915_private *i915, + const struct intel_crtc_state *pipe_config) +{ + if (HAS_DDI(i915)) + return pipe_config->port_clock; /* SPLL */ + else + return i915->fdi_pll_freq; } int ilk_fdi_compute_config(struct intel_crtc *crtc, @@ -140,11 +267,60 @@ retry: } if (needs_recompute) - return I915_DISPLAY_CONFIG_RETRY; + return -EAGAIN; return ret; } +static void cpt_set_fdi_bc_bifurcation(struct drm_i915_private *dev_priv, bool enable) +{ + u32 temp; + + temp = intel_de_read(dev_priv, SOUTH_CHICKEN1); + if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) + return; + + drm_WARN_ON(&dev_priv->drm, + intel_de_read(dev_priv, FDI_RX_CTL(PIPE_B)) & + FDI_RX_ENABLE); + drm_WARN_ON(&dev_priv->drm, + intel_de_read(dev_priv, FDI_RX_CTL(PIPE_C)) & + FDI_RX_ENABLE); + + temp &= ~FDI_BC_BIFURCATION_SELECT; + if (enable) + temp |= FDI_BC_BIFURCATION_SELECT; + + drm_dbg_kms(&dev_priv->drm, "%sabling fdi C rx\n", + enable ? "en" : "dis"); + intel_de_write(dev_priv, SOUTH_CHICKEN1, temp); + intel_de_posting_read(dev_priv, SOUTH_CHICKEN1); +} + +static void ivb_update_fdi_bc_bifurcation(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + + switch (crtc->pipe) { + case PIPE_A: + break; + case PIPE_B: + if (crtc_state->fdi_lanes > 2) + cpt_set_fdi_bc_bifurcation(dev_priv, false); + else + cpt_set_fdi_bc_bifurcation(dev_priv, true); + + break; + case PIPE_C: + cpt_set_fdi_bc_bifurcation(dev_priv, true); + + break; + default: + MISSING_CASE(crtc->pipe); + } +} + void intel_fdi_normal_train(struct intel_crtc *crtc) { struct drm_device *dev = crtc->base.dev; @@ -196,8 +372,15 @@ static void ilk_fdi_link_train(struct intel_crtc *crtc, i915_reg_t reg; u32 temp, tries; + /* + * Write the TU size bits before fdi link training, so that error + * detection works. + */ + intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe), + intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); + /* FDI needs bits from pipe first */ - assert_pipe_enabled(dev_priv, crtc_state->cpu_transcoder); + assert_transcoder_enabled(dev_priv, crtc_state->cpu_transcoder); /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit for train result */ @@ -299,6 +482,13 @@ static void gen6_fdi_link_train(struct intel_crtc *crtc, i915_reg_t reg; u32 temp, i, retry; + /* + * Write the TU size bits before fdi link training, so that error + * detection works. + */ + intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe), + intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); + /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit for train result */ reg = FDI_RX_IMR(pipe); @@ -436,6 +626,15 @@ static void ivb_manual_fdi_link_train(struct intel_crtc *crtc, i915_reg_t reg; u32 temp, i, j; + ivb_update_fdi_bc_bifurcation(crtc_state); + + /* + * Write the TU size bits before fdi link training, so that error + * detection works. + */ + intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe), + intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); + /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit for train result */ reg = FDI_RX_IMR(pipe); @@ -807,15 +1006,125 @@ void ilk_fdi_disable(struct intel_crtc *crtc) udelay(100); } +static void lpt_fdi_reset_mphy(struct drm_i915_private *dev_priv) +{ + u32 tmp; + + tmp = intel_de_read(dev_priv, SOUTH_CHICKEN2); + tmp |= FDI_MPHY_IOSFSB_RESET_CTL; + intel_de_write(dev_priv, SOUTH_CHICKEN2, tmp); + + if (wait_for_us(intel_de_read(dev_priv, SOUTH_CHICKEN2) & + FDI_MPHY_IOSFSB_RESET_STATUS, 100)) + drm_err(&dev_priv->drm, "FDI mPHY reset assert timeout\n"); + + tmp = intel_de_read(dev_priv, SOUTH_CHICKEN2); + tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; + intel_de_write(dev_priv, SOUTH_CHICKEN2, tmp); + + if (wait_for_us((intel_de_read(dev_priv, SOUTH_CHICKEN2) & + FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) + drm_err(&dev_priv->drm, "FDI mPHY reset de-assert timeout\n"); +} + +/* WaMPhyProgramming:hsw */ +void lpt_fdi_program_mphy(struct drm_i915_private *dev_priv) +{ + u32 tmp; + + lpt_fdi_reset_mphy(dev_priv); + + tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); + tmp &= ~(0xFF << 24); + tmp |= (0x12 << 24); + intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); + tmp |= (1 << 11); + intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); + tmp |= (1 << 11); + intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); + tmp |= (1 << 24) | (1 << 21) | (1 << 18); + intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); + tmp |= (1 << 24) | (1 << 21) | (1 << 18); + intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); + tmp &= ~(7 << 13); + tmp |= (5 << 13); + intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); + tmp &= ~(7 << 13); + tmp |= (5 << 13); + intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); + tmp &= ~0xFF; + tmp |= 0x1C; + intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); + tmp &= ~0xFF; + tmp |= 0x1C; + intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); + tmp &= ~(0xFF << 16); + tmp |= (0x1C << 16); + intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); + tmp &= ~(0xFF << 16); + tmp |= (0x1C << 16); + intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); + tmp |= (1 << 27); + intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); + tmp |= (1 << 27); + intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); + tmp &= ~(0xF << 28); + tmp |= (4 << 28); + intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); + tmp &= ~(0xF << 28); + tmp |= (4 << 28); + intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); +} + +static const struct intel_fdi_funcs ilk_funcs = { + .fdi_link_train = ilk_fdi_link_train, +}; + +static const struct intel_fdi_funcs gen6_funcs = { + .fdi_link_train = gen6_fdi_link_train, +}; + +static const struct intel_fdi_funcs ivb_funcs = { + .fdi_link_train = ivb_manual_fdi_link_train, +}; + void intel_fdi_init_hook(struct drm_i915_private *dev_priv) { if (IS_IRONLAKE(dev_priv)) { - dev_priv->display.fdi_link_train = ilk_fdi_link_train; + dev_priv->fdi_funcs = &ilk_funcs; } else if (IS_SANDYBRIDGE(dev_priv)) { - dev_priv->display.fdi_link_train = gen6_fdi_link_train; + dev_priv->fdi_funcs = &gen6_funcs; } else if (IS_IVYBRIDGE(dev_priv)) { /* FIXME: detect B0+ stepping and use auto training */ - dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; + dev_priv->fdi_funcs = &ivb_funcs; } } diff --git a/drivers/gpu/drm/i915/display/intel_fdi.h b/drivers/gpu/drm/i915/display/intel_fdi.h index af01d2c173a8..640d6585c137 100644 --- a/drivers/gpu/drm/i915/display/intel_fdi.h +++ b/drivers/gpu/drm/i915/display/intel_fdi.h @@ -6,12 +6,14 @@ #ifndef _INTEL_FDI_H_ #define _INTEL_FDI_H_ +enum pipe; struct drm_i915_private; struct intel_crtc; struct intel_crtc_state; struct intel_encoder; -#define I915_DISPLAY_CONFIG_RETRY 1 +int intel_fdi_link_freq(struct drm_i915_private *i915, + const struct intel_crtc_state *pipe_config); int ilk_fdi_compute_config(struct intel_crtc *intel_crtc, struct intel_crtc_state *pipe_config); void intel_fdi_normal_train(struct intel_crtc *crtc); @@ -21,5 +23,18 @@ void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state); void intel_fdi_init_hook(struct drm_i915_private *dev_priv); void hsw_fdi_link_train(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state); +void intel_fdi_pll_freq_update(struct drm_i915_private *i915); +void lpt_fdi_program_mphy(struct drm_i915_private *i915); + +void intel_fdi_link_train(struct intel_crtc *crtc, + const struct intel_crtc_state *crtc_state); + +void assert_fdi_tx_enabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_fdi_tx_disabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_fdi_rx_enabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_fdi_rx_disabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_fdi_tx_pll_enabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_fdi_rx_pll_enabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_fdi_rx_pll_disabled(struct drm_i915_private *i915, enum pipe pipe); #endif diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c index 8e75debcce1a..0492446cd04a 100644 --- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c @@ -62,6 +62,7 @@ #include "intel_display_types.h" #include "intel_fbc.h" #include "intel_frontbuffer.h" +#include "intel_drrs.h" #include "intel_psr.h" /** @@ -91,7 +92,7 @@ static void frontbuffer_flush(struct drm_i915_private *i915, trace_intel_frontbuffer_flush(frontbuffer_bits, origin); might_sleep(); - intel_edp_drrs_flush(i915, frontbuffer_bits); + intel_drrs_flush(i915, frontbuffer_bits); intel_psr_flush(i915, frontbuffer_bits, origin); intel_fbc_flush(i915, frontbuffer_bits, origin); } @@ -180,7 +181,7 @@ void __intel_fb_invalidate(struct intel_frontbuffer *front, might_sleep(); intel_psr_invalidate(i915, frontbuffer_bits, origin); - intel_edp_drrs_invalidate(i915, frontbuffer_bits); + intel_drrs_invalidate(i915, frontbuffer_bits); intel_fbc_invalidate(i915, frontbuffer_bits, origin); } diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.h b/drivers/gpu/drm/i915/display/intel_frontbuffer.h index 6d41f5394425..a88441edc8f9 100644 --- a/drivers/gpu/drm/i915/display/intel_frontbuffer.h +++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.h @@ -33,11 +33,11 @@ struct drm_i915_private; enum fb_op_origin { - ORIGIN_GTT, - ORIGIN_CPU, + ORIGIN_CPU = 0, ORIGIN_CS, ORIGIN_FLIP, ORIGIN_DIRTYFB, + ORIGIN_CURSOR_UPDATE, }; struct intel_frontbuffer { diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index ebc2e32aec0b..9b9fd9d13043 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -33,21 +33,6 @@ static int intel_conn_to_vcpi(struct intel_connector *connector) return connector->port ? connector->port->vcpi.vcpi : 0; } -static bool -intel_streams_type1_capable(struct intel_connector *connector) -{ - const struct intel_hdcp_shim *shim = connector->hdcp.shim; - bool capable = false; - - if (!shim) - return capable; - - if (shim->streams_type1_capable) - shim->streams_type1_capable(connector, &capable); - - return capable; -} - /* * intel_hdcp_required_content_stream selects the most highest common possible HDCP * content_type for all streams in DP MST topology because security f/w doesn't @@ -86,7 +71,7 @@ intel_hdcp_required_content_stream(struct intel_digital_port *dig_port) if (conn_dig_port != dig_port) continue; - if (!enforce_type0 && !intel_streams_type1_capable(connector)) + if (!enforce_type0 && !dig_port->hdcp_mst_type1_capable) enforce_type0 = true; data->streams[data->k].stream_id = intel_conn_to_vcpi(connector); @@ -112,6 +97,25 @@ intel_hdcp_required_content_stream(struct intel_digital_port *dig_port) return 0; } +static int intel_hdcp_prepare_streams(struct intel_connector *connector) +{ + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct hdcp_port_data *data = &dig_port->hdcp_port_data; + struct intel_hdcp *hdcp = &connector->hdcp; + int ret; + + if (!intel_encoder_is_mst(intel_attached_encoder(connector))) { + data->k = 1; + data->streams[0].stream_type = hdcp->content_type; + } else { + ret = intel_hdcp_required_content_stream(dig_port); + if (ret) + return ret; + } + + return 0; +} + static bool intel_hdcp_is_ksv_valid(u8 *ksv) { @@ -1632,6 +1636,14 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector) return -EINVAL; } + /* + * MST topology is not Type 1 capable if it contains a downstream + * device that is only HDCP 1.x or Legacy HDCP 2.0/2.1 compliant. + */ + dig_port->hdcp_mst_type1_capable = + !HDCP_2_2_HDCP1_DEVICE_CONNECTED(rx_info[1]) && + !HDCP_2_2_HDCP_2_0_REP_CONNECTED(rx_info[1]); + /* Converting and Storing the seq_num_v to local variable as DWORD */ seq_num_v = drm_hdcp_be24_to_cpu((const u8 *)msgs.recvid_list.seq_num_v); @@ -1876,6 +1888,14 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector) for (i = 0; i < tries && !dig_port->hdcp_auth_status; i++) { ret = hdcp2_authenticate_sink(connector); if (!ret) { + ret = intel_hdcp_prepare_streams(connector); + if (ret) { + drm_dbg_kms(&i915->drm, + "Prepare streams failed.(%d)\n", + ret); + break; + } + ret = hdcp2_propagate_stream_management_info(connector); if (ret) { drm_dbg_kms(&i915->drm, @@ -1921,9 +1941,7 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector) static int _intel_hdcp2_enable(struct intel_connector *connector) { - struct intel_digital_port *dig_port = intel_attached_dig_port(connector); struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct hdcp_port_data *data = &dig_port->hdcp_port_data; struct intel_hdcp *hdcp = &connector->hdcp; int ret; @@ -1931,16 +1949,6 @@ static int _intel_hdcp2_enable(struct intel_connector *connector) connector->base.name, connector->base.base.id, hdcp->content_type); - /* Stream which requires encryption */ - if (!intel_encoder_is_mst(intel_attached_encoder(connector))) { - data->k = 1; - data->streams[0].stream_type = hdcp->content_type; - } else { - ret = intel_hdcp_required_content_stream(dig_port); - if (ret) - return ret; - } - ret = hdcp2_authenticate_and_encrypt(connector); if (ret) { drm_dbg_kms(&i915->drm, "HDCP2 Type%d Enabling Failed. (%d)\n", diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index b04685bb6439..d2e61f6c6e08 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -53,21 +53,20 @@ #include "intel_panel.h" #include "intel_snps_phy.h" -static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi) +static struct drm_i915_private *intel_hdmi_to_i915(struct intel_hdmi *intel_hdmi) { - return hdmi_to_dig_port(intel_hdmi)->base.base.dev; + return to_i915(hdmi_to_dig_port(intel_hdmi)->base.base.dev); } static void assert_hdmi_port_disabled(struct intel_hdmi *intel_hdmi) { - struct drm_device *dev = intel_hdmi_to_dev(intel_hdmi); - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = intel_hdmi_to_i915(intel_hdmi); u32 enabled_bits; enabled_bits = HAS_DDI(dev_priv) ? DDI_BUF_CTL_ENABLE : SDVO_ENABLE; - drm_WARN(dev, + drm_WARN(&dev_priv->drm, intel_de_read(dev_priv, intel_hdmi->hdmi_reg) & enabled_bits, "HDMI port enabled, expecting disabled\n"); } @@ -1246,7 +1245,7 @@ static void hsw_set_infoframes(struct intel_encoder *encoder, void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable) { - struct drm_i915_private *dev_priv = to_i915(intel_hdmi_to_dev(hdmi)); + struct drm_i915_private *dev_priv = intel_hdmi_to_i915(hdmi); struct i2c_adapter *adapter = intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); @@ -1703,7 +1702,7 @@ int intel_hdmi_hdcp2_read_msg(struct intel_digital_port *dig_port, drm_dbg_kms(&i915->drm, "msg_sz(%zd) is more than exp size(%zu)\n", ret, size); - return -1; + return -EINVAL; } offset = HDCP_2_2_HDMI_REG_RD_MSG_OFFSET; @@ -1830,7 +1829,7 @@ hdmi_port_clock_valid(struct intel_hdmi *hdmi, int clock, bool respect_downstream_limits, bool has_hdmi_sink) { - struct drm_i915_private *dev_priv = to_i915(intel_hdmi_to_dev(hdmi)); + struct drm_i915_private *dev_priv = intel_hdmi_to_i915(hdmi); if (clock < 25000) return MODE_CLOCK_LOW; @@ -1946,8 +1945,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct intel_hdmi *hdmi = intel_attached_hdmi(to_intel_connector(connector)); - struct drm_device *dev = intel_hdmi_to_dev(hdmi); - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = intel_hdmi_to_i915(hdmi); enum drm_mode_status status; int clock = mode->clock; int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; @@ -2210,7 +2208,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder, return ret; if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) { - ret = intel_pch_panel_fitting(pipe_config, conn_state); + ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; } diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 47c85ac97c87..3c1cec953b42 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -215,8 +215,8 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv) static void intel_hpd_irq_setup(struct drm_i915_private *i915) { - if (i915->display_irqs_enabled && i915->display.hpd_irq_setup) - i915->display.hpd_irq_setup(i915); + if (i915->display_irqs_enabled && i915->hotplug_funcs->hpd_irq_setup) + i915->hotplug_funcs->hpd_irq_setup(i915); } static void intel_hpd_irq_storm_reenable_work(struct work_struct *work) diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index e0381b0fce91..9fced37bed70 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -40,9 +40,12 @@ #include "i915_drv.h" #include "intel_atomic.h" +#include "intel_backlight.h" #include "intel_connector.h" #include "intel_de.h" #include "intel_display_types.h" +#include "intel_dpll.h" +#include "intel_fdi.h" #include "intel_gmbus.h" #include "intel_lvds.h" #include "intel_panel.h" @@ -323,7 +326,7 @@ static void intel_enable_lvds(struct intel_atomic_state *state, drm_err(&dev_priv->drm, "timed out waiting for panel to power on\n"); - intel_panel_enable_backlight(pipe_config, conn_state); + intel_backlight_enable(pipe_config, conn_state); } static void intel_disable_lvds(struct intel_atomic_state *state, @@ -351,7 +354,7 @@ static void gmch_disable_lvds(struct intel_atomic_state *state, const struct drm_connector_state *old_conn_state) { - intel_panel_disable_backlight(old_conn_state); + intel_backlight_disable(old_conn_state); intel_disable_lvds(state, encoder, old_crtc_state, old_conn_state); } @@ -361,7 +364,7 @@ static void pch_disable_lvds(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - intel_panel_disable_backlight(old_conn_state); + intel_backlight_disable(old_conn_state); } static void pch_post_disable_lvds(struct intel_atomic_state *state, @@ -388,13 +391,15 @@ intel_lvds_mode_valid(struct drm_connector *connector, struct intel_connector *intel_connector = to_intel_connector(connector); struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; int max_pixclk = to_i915(connector->dev)->max_dotclk_freq; + enum drm_mode_status status; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; - if (mode->hdisplay > fixed_mode->hdisplay) - return MODE_PANEL; - if (mode->vdisplay > fixed_mode->vdisplay) - return MODE_PANEL; + + status = intel_panel_mode_valid(intel_connector, mode); + if (status != MODE_OK) + return status; + if (fixed_mode->clock > max_pixclk) return MODE_CLOCK_HIGH; @@ -441,8 +446,9 @@ static int intel_lvds_compute_config(struct intel_encoder *intel_encoder, * with the panel scaling set up to source from the H/VDisplay * of the original mode. */ - intel_fixed_panel_mode(intel_connector->panel.fixed_mode, - adjusted_mode); + ret = intel_panel_compute_config(intel_connector, adjusted_mode); + if (ret) + return ret; if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; @@ -450,10 +456,7 @@ static int intel_lvds_compute_config(struct intel_encoder *intel_encoder, if (HAS_PCH_SPLIT(dev_priv)) pipe_config->has_pch_encoder = true; - if (HAS_GMCH(dev_priv)) - ret = intel_gmch_panel_fitting(pipe_config, conn_state); - else - ret = intel_pch_panel_fitting(pipe_config, conn_state); + ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; @@ -906,7 +909,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv) } intel_encoder->get_hw_state = intel_lvds_get_hw_state; intel_encoder->get_config = intel_lvds_get_config; - intel_encoder->update_pipe = intel_panel_update_backlight; + intel_encoder->update_pipe = intel_backlight_update; intel_encoder->shutdown = intel_lvds_shutdown; intel_connector->get_hw_state = intel_connector_get_hw_state; @@ -999,7 +1002,7 @@ out: mutex_unlock(&dev->mode_config.mutex); intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); - intel_panel_setup_backlight(connector, INVALID_PIPE); + intel_backlight_setup(intel_connector, INVALID_PIPE); lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder); drm_dbg_kms(&dev_priv->drm, "detected %s-link lvds configuration\n", diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index 3855fba70980..0065111593a6 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -30,10 +30,9 @@ #include <linux/firmware.h> #include <acpi/video.h> -#include "display/intel_panel.h" - #include "i915_drv.h" #include "intel_acpi.h" +#include "intel_backlight.h" #include "intel_display_types.h" #include "intel_opregion.h" @@ -450,7 +449,7 @@ static u32 asle_set_backlight(struct drm_i915_private *dev_priv, u32 bclp) bclp); drm_connector_list_iter_begin(dev, &conn_iter); for_each_intel_connector_iter(connector, &conn_iter) - intel_panel_set_backlight_acpi(connector->base.state, bclp, 255); + intel_backlight_set_acpi(connector->base.state, bclp, 255); drm_connector_list_iter_end(&conn_iter); asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID; diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index 7d7a60b4d2de..a0c8e43db5eb 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -28,26 +28,51 @@ * Chris Wilson <chris@chris-wilson.co.uk> */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/kernel.h> -#include <linux/moduleparam.h> #include <linux/pwm.h> +#include "intel_backlight.h" #include "intel_connector.h" #include "intel_de.h" #include "intel_display_types.h" -#include "intel_dp_aux_backlight.h" -#include "intel_dsi_dcs_backlight.h" #include "intel_panel.h" -void -intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, - struct drm_display_mode *adjusted_mode) +bool intel_panel_use_ssc(struct drm_i915_private *i915) +{ + if (i915->params.panel_use_ssc >= 0) + return i915->params.panel_use_ssc != 0; + return i915->vbt.lvds_use_ssc + && !(i915->quirks & QUIRK_LVDS_SSC_DISABLE); +} + +int intel_panel_compute_config(struct intel_connector *connector, + struct drm_display_mode *adjusted_mode) { + const struct drm_display_mode *fixed_mode = connector->panel.fixed_mode; + + if (!fixed_mode) + return 0; + + /* + * We don't want to lie too much to the user about the refresh + * rate they're going to get. But we have to allow a bit of latitude + * for Xorg since it likes to automagically cook up modes with slightly + * off refresh rates. + */ + if (abs(drm_mode_vrefresh(adjusted_mode) - drm_mode_vrefresh(fixed_mode)) > 1) { + drm_dbg_kms(connector->base.dev, + "[CONNECTOR:%d:%s] Requested mode vrefresh (%d Hz) does not match fixed mode vrefresh (%d Hz)\n", + connector->base.base.id, connector->base.name, + drm_mode_vrefresh(adjusted_mode), drm_mode_vrefresh(fixed_mode)); + + return -EINVAL; + } + drm_mode_copy(adjusted_mode, fixed_mode); drm_mode_set_crtcinfo(adjusted_mode, 0); + + return 0; } static bool is_downclock_mode(const struct drm_display_mode *downclock_mode, @@ -175,8 +200,8 @@ intel_panel_vbt_fixed_mode(struct intel_connector *connector) } /* adjusted_mode has been preset to be the panel's fixed mode */ -int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static int pch_panel_fitting(struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; @@ -381,8 +406,8 @@ static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state, } } -int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static int gmch_panel_fitting(struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -456,1783 +481,55 @@ out: return 0; } -/** - * scale - scale values from one range to another - * @source_val: value in range [@source_min..@source_max] - * @source_min: minimum legal value for @source_val - * @source_max: maximum legal value for @source_val - * @target_min: corresponding target value for @source_min - * @target_max: corresponding target value for @source_max - * - * Return @source_val in range [@source_min..@source_max] scaled to range - * [@target_min..@target_max]. - */ -static u32 scale(u32 source_val, - u32 source_min, u32 source_max, - u32 target_min, u32 target_max) -{ - u64 target_val; - - WARN_ON(source_min > source_max); - WARN_ON(target_min > target_max); - - /* defensive */ - source_val = clamp(source_val, source_min, source_max); - - /* avoid overflows */ - target_val = mul_u32_u32(source_val - source_min, - target_max - target_min); - target_val = DIV_ROUND_CLOSEST_ULL(target_val, source_max - source_min); - target_val += target_min; - - return target_val; -} - -/* Scale user_level in range [0..user_max] to [0..hw_max], clamping the result - * to [hw_min..hw_max]. */ -static u32 clamp_user_to_hw(struct intel_connector *connector, - u32 user_level, u32 user_max) -{ - struct intel_panel *panel = &connector->panel; - u32 hw_level; - - hw_level = scale(user_level, 0, user_max, 0, panel->backlight.max); - hw_level = clamp(hw_level, panel->backlight.min, panel->backlight.max); - - return hw_level; -} - -/* Scale hw_level in range [hw_min..hw_max] to [0..user_max]. */ -static u32 scale_hw_to_user(struct intel_connector *connector, - u32 hw_level, u32 user_max) -{ - struct intel_panel *panel = &connector->panel; - - return scale(hw_level, panel->backlight.min, panel->backlight.max, - 0, user_max); -} - -u32 intel_panel_invert_pwm_level(struct intel_connector *connector, u32 val) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - drm_WARN_ON(&dev_priv->drm, panel->backlight.pwm_level_max == 0); - - if (dev_priv->params.invert_brightness < 0) - return val; - - if (dev_priv->params.invert_brightness > 0 || - dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS) { - return panel->backlight.pwm_level_max - val + panel->backlight.pwm_level_min; - } - - return val; -} - -void intel_panel_set_pwm_level(const struct drm_connector_state *conn_state, u32 val) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - drm_dbg_kms(&i915->drm, "set backlight PWM = %d\n", val); - panel->backlight.pwm_funcs->set(conn_state, val); -} - -u32 intel_panel_backlight_level_to_pwm(struct intel_connector *connector, u32 val) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - drm_WARN_ON_ONCE(&dev_priv->drm, - panel->backlight.max == 0 || panel->backlight.pwm_level_max == 0); - - val = scale(val, panel->backlight.min, panel->backlight.max, - panel->backlight.pwm_level_min, panel->backlight.pwm_level_max); - - return intel_panel_invert_pwm_level(connector, val); -} - -u32 intel_panel_backlight_level_from_pwm(struct intel_connector *connector, u32 val) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - drm_WARN_ON_ONCE(&dev_priv->drm, - panel->backlight.max == 0 || panel->backlight.pwm_level_max == 0); - - if (dev_priv->params.invert_brightness > 0 || - (dev_priv->params.invert_brightness == 0 && dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS)) - val = panel->backlight.pwm_level_max - (val - panel->backlight.pwm_level_min); - - return scale(val, panel->backlight.pwm_level_min, panel->backlight.pwm_level_max, - panel->backlight.min, panel->backlight.max); -} - -static u32 lpt_get_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - - return intel_de_read(dev_priv, BLC_PWM_PCH_CTL2) & BACKLIGHT_DUTY_CYCLE_MASK; -} - -static u32 pch_get_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - - return intel_de_read(dev_priv, BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; -} - -static u32 i9xx_get_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 val; - - val = intel_de_read(dev_priv, BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; - if (DISPLAY_VER(dev_priv) < 4) - val >>= 1; - - if (panel->backlight.combination_mode) { - u8 lbpc; - - pci_read_config_byte(to_pci_dev(dev_priv->drm.dev), LBPC, &lbpc); - val *= lbpc; - } - - return val; -} - -static u32 vlv_get_backlight(struct intel_connector *connector, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - - if (drm_WARN_ON(&dev_priv->drm, pipe != PIPE_A && pipe != PIPE_B)) - return 0; - - return intel_de_read(dev_priv, VLV_BLC_PWM_CTL(pipe)) & BACKLIGHT_DUTY_CYCLE_MASK; -} - -static u32 bxt_get_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - return intel_de_read(dev_priv, - BXT_BLC_PWM_DUTY(panel->backlight.controller)); -} - -static u32 ext_pwm_get_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct intel_panel *panel = &connector->panel; - struct pwm_state state; - - pwm_get_state(panel->backlight.pwm, &state); - return pwm_get_relative_duty_cycle(&state, 100); -} - -static void lpt_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - - u32 val = intel_de_read(dev_priv, BLC_PWM_PCH_CTL2) & ~BACKLIGHT_DUTY_CYCLE_MASK; - intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, val | level); -} - -static void pch_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - u32 tmp; - - tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; - intel_de_write(dev_priv, BLC_PWM_CPU_CTL, tmp | level); -} - -static void i9xx_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 tmp, mask; - - drm_WARN_ON(&dev_priv->drm, panel->backlight.pwm_level_max == 0); - - if (panel->backlight.combination_mode) { - u8 lbpc; - - lbpc = level * 0xfe / panel->backlight.pwm_level_max + 1; - level /= lbpc; - pci_write_config_byte(to_pci_dev(dev_priv->drm.dev), LBPC, lbpc); - } - - if (DISPLAY_VER(dev_priv) == 4) { - mask = BACKLIGHT_DUTY_CYCLE_MASK; - } else { - level <<= 1; - mask = BACKLIGHT_DUTY_CYCLE_MASK_PNV; - } - - tmp = intel_de_read(dev_priv, BLC_PWM_CTL) & ~mask; - intel_de_write(dev_priv, BLC_PWM_CTL, tmp | level); -} - -static void vlv_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - enum pipe pipe = to_intel_crtc(conn_state->crtc)->pipe; - u32 tmp; - - tmp = intel_de_read(dev_priv, VLV_BLC_PWM_CTL(pipe)) & ~BACKLIGHT_DUTY_CYCLE_MASK; - intel_de_write(dev_priv, VLV_BLC_PWM_CTL(pipe), tmp | level); -} - -static void bxt_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - intel_de_write(dev_priv, - BXT_BLC_PWM_DUTY(panel->backlight.controller), level); -} - -static void ext_pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel; - - pwm_set_relative_duty_cycle(&panel->backlight.pwm_state, level, 100); - pwm_apply_state(panel->backlight.pwm, &panel->backlight.pwm_state); -} - -static void -intel_panel_actually_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - drm_dbg_kms(&i915->drm, "set backlight level = %d\n", level); - - panel->backlight.funcs->set(conn_state, level); -} - -/* set backlight brightness to level in range [0..max], assuming hw min is - * respected. - */ -void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state, - u32 user_level, u32 user_max) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 hw_level; - - /* - * Lack of crtc may occur during driver init because - * connection_mutex isn't held across the entire backlight - * setup + modeset readout, and the BIOS can issue the - * requests at any time. - */ - if (!panel->backlight.present || !conn_state->crtc) - return; - - mutex_lock(&dev_priv->backlight_lock); - - drm_WARN_ON(&dev_priv->drm, panel->backlight.max == 0); - - hw_level = clamp_user_to_hw(connector, user_level, user_max); - panel->backlight.level = hw_level; - - if (panel->backlight.device) - panel->backlight.device->props.brightness = - scale_hw_to_user(connector, - panel->backlight.level, - panel->backlight.device->props.max_brightness); - - if (panel->backlight.enabled) - intel_panel_actually_set_backlight(conn_state, hw_level); - - mutex_unlock(&dev_priv->backlight_lock); -} - -static void lpt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - u32 tmp; - - intel_panel_set_pwm_level(old_conn_state, level); - - /* - * Although we don't support or enable CPU PWM with LPT/SPT based - * systems, it may have been enabled prior to loading the - * driver. Disable to avoid warnings on LCPLL disable. - * - * This needs rework if we need to add support for CPU PWM on PCH split - * platforms. - */ - tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); - if (tmp & BLM_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, - "cpu backlight was enabled, disabling\n"); - intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, - tmp & ~BLM_PWM_ENABLE); - } - - tmp = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); -} - -static void pch_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - u32 tmp; - - intel_panel_set_pwm_level(old_conn_state, val); - - tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); - intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, tmp & ~BLM_PWM_ENABLE); - - tmp = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); -} - -static void i9xx_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) -{ - intel_panel_set_pwm_level(old_conn_state, val); -} - -static void i965_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) -{ - struct drm_i915_private *dev_priv = to_i915(old_conn_state->connector->dev); - u32 tmp; - - intel_panel_set_pwm_level(old_conn_state, val); - - tmp = intel_de_read(dev_priv, BLC_PWM_CTL2); - intel_de_write(dev_priv, BLC_PWM_CTL2, tmp & ~BLM_PWM_ENABLE); -} - -static void vlv_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - enum pipe pipe = to_intel_crtc(old_conn_state->crtc)->pipe; - u32 tmp; - - intel_panel_set_pwm_level(old_conn_state, val); - - tmp = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); - intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), - tmp & ~BLM_PWM_ENABLE); -} - -static void bxt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 tmp; - - intel_panel_set_pwm_level(old_conn_state, val); - - tmp = intel_de_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), - tmp & ~BXT_BLC_PWM_ENABLE); - - if (panel->backlight.controller == 1) { - val = intel_de_read(dev_priv, UTIL_PIN_CTL); - val &= ~UTIL_PIN_ENABLE; - intel_de_write(dev_priv, UTIL_PIN_CTL, val); - } -} - -static void cnp_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 tmp; - - intel_panel_set_pwm_level(old_conn_state, val); - - tmp = intel_de_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), - tmp & ~BXT_BLC_PWM_ENABLE); -} - -static void ext_pwm_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct intel_panel *panel = &connector->panel; - - panel->backlight.pwm_state.enabled = false; - pwm_apply_state(panel->backlight.pwm, &panel->backlight.pwm_state); -} - -void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state) -{ - struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - if (!panel->backlight.present) - return; - - /* - * Do not disable backlight on the vga_switcheroo path. When switching - * away from i915, the other client may depend on i915 to handle the - * backlight. This will leave the backlight on unnecessarily when - * another client is not activated. - */ - if (dev_priv->drm.switch_power_state == DRM_SWITCH_POWER_CHANGING) { - drm_dbg_kms(&dev_priv->drm, - "Skipping backlight disable on vga switch\n"); - return; - } - - mutex_lock(&dev_priv->backlight_lock); - - if (panel->backlight.device) - panel->backlight.device->props.power = FB_BLANK_POWERDOWN; - panel->backlight.enabled = false; - panel->backlight.funcs->disable(old_conn_state, 0); - - mutex_unlock(&dev_priv->backlight_lock); -} - -static void lpt_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 pch_ctl1, pch_ctl2, schicken; - - pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); - if (pch_ctl1 & BLM_PCH_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "pch backlight already enabled\n"); - pch_ctl1 &= ~BLM_PCH_PWM_ENABLE; - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); - } - - if (HAS_PCH_LPT(dev_priv)) { - schicken = intel_de_read(dev_priv, SOUTH_CHICKEN2); - if (panel->backlight.alternate_pwm_increment) - schicken |= LPT_PWM_GRANULARITY; - else - schicken &= ~LPT_PWM_GRANULARITY; - intel_de_write(dev_priv, SOUTH_CHICKEN2, schicken); - } else { - schicken = intel_de_read(dev_priv, SOUTH_CHICKEN1); - if (panel->backlight.alternate_pwm_increment) - schicken |= SPT_PWM_GRANULARITY; - else - schicken &= ~SPT_PWM_GRANULARITY; - intel_de_write(dev_priv, SOUTH_CHICKEN1, schicken); - } - - pch_ctl2 = panel->backlight.pwm_level_max << 16; - intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, pch_ctl2); - - pch_ctl1 = 0; - if (panel->backlight.active_low_pwm) - pch_ctl1 |= BLM_PCH_POLARITY; - - /* After LPT, override is the default. */ - if (HAS_PCH_LPT(dev_priv)) - pch_ctl1 |= BLM_PCH_OVERRIDE_ENABLE; - - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); - intel_de_posting_read(dev_priv, BLC_PWM_PCH_CTL1); - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, - pch_ctl1 | BLM_PCH_PWM_ENABLE); - - /* This won't stick until the above enable. */ - intel_panel_set_pwm_level(conn_state, level); -} - -static void pch_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - u32 cpu_ctl2, pch_ctl1, pch_ctl2; - - cpu_ctl2 = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); - if (cpu_ctl2 & BLM_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "cpu backlight already enabled\n"); - cpu_ctl2 &= ~BLM_PWM_ENABLE; - intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2); - } - - pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); - if (pch_ctl1 & BLM_PCH_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "pch backlight already enabled\n"); - pch_ctl1 &= ~BLM_PCH_PWM_ENABLE; - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); - } - - if (cpu_transcoder == TRANSCODER_EDP) - cpu_ctl2 = BLM_TRANSCODER_EDP; - else - cpu_ctl2 = BLM_PIPE(cpu_transcoder); - intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2); - intel_de_posting_read(dev_priv, BLC_PWM_CPU_CTL2); - intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2 | BLM_PWM_ENABLE); - - /* This won't stick until the above enable. */ - intel_panel_set_pwm_level(conn_state, level); - - pch_ctl2 = panel->backlight.pwm_level_max << 16; - intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, pch_ctl2); - - pch_ctl1 = 0; - if (panel->backlight.active_low_pwm) - pch_ctl1 |= BLM_PCH_POLARITY; - - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1); - intel_de_posting_read(dev_priv, BLC_PWM_PCH_CTL1); - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, - pch_ctl1 | BLM_PCH_PWM_ENABLE); -} - -static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 ctl, freq; - - ctl = intel_de_read(dev_priv, BLC_PWM_CTL); - if (ctl & BACKLIGHT_DUTY_CYCLE_MASK_PNV) { - drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); - intel_de_write(dev_priv, BLC_PWM_CTL, 0); - } - - freq = panel->backlight.pwm_level_max; - if (panel->backlight.combination_mode) - freq /= 0xff; - - ctl = freq << 17; - if (panel->backlight.combination_mode) - ctl |= BLM_LEGACY_MODE; - if (IS_PINEVIEW(dev_priv) && panel->backlight.active_low_pwm) - ctl |= BLM_POLARITY_PNV; - - intel_de_write(dev_priv, BLC_PWM_CTL, ctl); - intel_de_posting_read(dev_priv, BLC_PWM_CTL); - - /* XXX: combine this into above write? */ - intel_panel_set_pwm_level(conn_state, level); - - /* - * Needed to enable backlight on some 855gm models. BLC_HIST_CTL is - * 855gm only, but checking for gen2 is safe, as 855gm is the only gen2 - * that has backlight. - */ - if (DISPLAY_VER(dev_priv) == 2) - intel_de_write(dev_priv, BLC_HIST_CTL, BLM_HISTOGRAM_ENABLE); -} - -static void i965_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - enum pipe pipe = to_intel_crtc(conn_state->crtc)->pipe; - u32 ctl, ctl2, freq; - - ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2); - if (ctl2 & BLM_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); - ctl2 &= ~BLM_PWM_ENABLE; - intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2); - } - - freq = panel->backlight.pwm_level_max; - if (panel->backlight.combination_mode) - freq /= 0xff; - - ctl = freq << 16; - intel_de_write(dev_priv, BLC_PWM_CTL, ctl); - - ctl2 = BLM_PIPE(pipe); - if (panel->backlight.combination_mode) - ctl2 |= BLM_COMBINATION_MODE; - if (panel->backlight.active_low_pwm) - ctl2 |= BLM_POLARITY_I965; - intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2); - intel_de_posting_read(dev_priv, BLC_PWM_CTL2); - intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE); - - intel_panel_set_pwm_level(conn_state, level); -} - -static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; - u32 ctl, ctl2; - - ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); - if (ctl2 & BLM_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); - ctl2 &= ~BLM_PWM_ENABLE; - intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2); - } - - ctl = panel->backlight.pwm_level_max << 16; - intel_de_write(dev_priv, VLV_BLC_PWM_CTL(pipe), ctl); - - /* XXX: combine this into above write? */ - intel_panel_set_pwm_level(conn_state, level); - - ctl2 = 0; - if (panel->backlight.active_low_pwm) - ctl2 |= BLM_POLARITY_I965; - intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2); - intel_de_posting_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); - intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), - ctl2 | BLM_PWM_ENABLE); -} - -static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; - u32 pwm_ctl, val; - - /* Controller 1 uses the utility pin. */ - if (panel->backlight.controller == 1) { - val = intel_de_read(dev_priv, UTIL_PIN_CTL); - if (val & UTIL_PIN_ENABLE) { - drm_dbg_kms(&dev_priv->drm, - "util pin already enabled\n"); - val &= ~UTIL_PIN_ENABLE; - intel_de_write(dev_priv, UTIL_PIN_CTL, val); - } - - val = 0; - if (panel->backlight.util_pin_active_low) - val |= UTIL_PIN_POLARITY; - intel_de_write(dev_priv, UTIL_PIN_CTL, - val | UTIL_PIN_PIPE(pipe) | UTIL_PIN_MODE_PWM | UTIL_PIN_ENABLE); - } - - pwm_ctl = intel_de_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - if (pwm_ctl & BXT_BLC_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); - pwm_ctl &= ~BXT_BLC_PWM_ENABLE; - intel_de_write(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller), - pwm_ctl); - } - - intel_de_write(dev_priv, - BXT_BLC_PWM_FREQ(panel->backlight.controller), - panel->backlight.pwm_level_max); - - intel_panel_set_pwm_level(conn_state, level); - - pwm_ctl = 0; - if (panel->backlight.active_low_pwm) - pwm_ctl |= BXT_BLC_PWM_POLARITY; - - intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), - pwm_ctl); - intel_de_posting_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), - pwm_ctl | BXT_BLC_PWM_ENABLE); -} - -static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 pwm_ctl; - - pwm_ctl = intel_de_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - if (pwm_ctl & BXT_BLC_PWM_ENABLE) { - drm_dbg_kms(&dev_priv->drm, "backlight already enabled\n"); - pwm_ctl &= ~BXT_BLC_PWM_ENABLE; - intel_de_write(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller), - pwm_ctl); - } - - intel_de_write(dev_priv, - BXT_BLC_PWM_FREQ(panel->backlight.controller), - panel->backlight.pwm_level_max); - - intel_panel_set_pwm_level(conn_state, level); - - pwm_ctl = 0; - if (panel->backlight.active_low_pwm) - pwm_ctl |= BXT_BLC_PWM_POLARITY; - - intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), - pwm_ctl); - intel_de_posting_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - intel_de_write(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller), - pwm_ctl | BXT_BLC_PWM_ENABLE); -} - -static void ext_pwm_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct intel_panel *panel = &connector->panel; - - pwm_set_relative_duty_cycle(&panel->backlight.pwm_state, level, 100); - panel->backlight.pwm_state.enabled = true; - pwm_apply_state(panel->backlight.pwm, &panel->backlight.pwm_state); -} - -static void __intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct intel_panel *panel = &connector->panel; - - WARN_ON(panel->backlight.max == 0); - - if (panel->backlight.level <= panel->backlight.min) { - panel->backlight.level = panel->backlight.max; - if (panel->backlight.device) - panel->backlight.device->props.brightness = - scale_hw_to_user(connector, - panel->backlight.level, - panel->backlight.device->props.max_brightness); - } - - panel->backlight.funcs->enable(crtc_state, conn_state, panel->backlight.level); - panel->backlight.enabled = true; - if (panel->backlight.device) - panel->backlight.device->props.power = FB_BLANK_UNBLANK; -} - -void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; - - if (!panel->backlight.present) - return; - - drm_dbg_kms(&dev_priv->drm, "pipe %c\n", pipe_name(pipe)); - - mutex_lock(&dev_priv->backlight_lock); - - __intel_panel_enable_backlight(crtc_state, conn_state); - - mutex_unlock(&dev_priv->backlight_lock); -} - -#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) -static u32 intel_panel_get_backlight(struct intel_connector *connector) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 val = 0; - - mutex_lock(&dev_priv->backlight_lock); - - if (panel->backlight.enabled) - val = panel->backlight.funcs->get(connector, intel_connector_get_pipe(connector)); - - mutex_unlock(&dev_priv->backlight_lock); - - drm_dbg_kms(&dev_priv->drm, "get backlight PWM = %d\n", val); - return val; -} - -/* Scale user_level in range [0..user_max] to [hw_min..hw_max]. */ -static u32 scale_user_to_hw(struct intel_connector *connector, - u32 user_level, u32 user_max) -{ - struct intel_panel *panel = &connector->panel; - - return scale(user_level, 0, user_max, - panel->backlight.min, panel->backlight.max); -} - -/* set backlight brightness to level in range [0..max], scaling wrt hw min */ -static void intel_panel_set_backlight(const struct drm_connector_state *conn_state, - u32 user_level, u32 user_max) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 hw_level; - - if (!panel->backlight.present) - return; - - mutex_lock(&dev_priv->backlight_lock); - - drm_WARN_ON(&dev_priv->drm, panel->backlight.max == 0); - - hw_level = scale_user_to_hw(connector, user_level, user_max); - panel->backlight.level = hw_level; - - if (panel->backlight.enabled) - intel_panel_actually_set_backlight(conn_state, hw_level); - - mutex_unlock(&dev_priv->backlight_lock); -} - -static int intel_backlight_device_update_status(struct backlight_device *bd) -{ - struct intel_connector *connector = bl_get_data(bd); - struct intel_panel *panel = &connector->panel; - struct drm_device *dev = connector->base.dev; - - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - DRM_DEBUG_KMS("updating intel_backlight, brightness=%d/%d\n", - bd->props.brightness, bd->props.max_brightness); - intel_panel_set_backlight(connector->base.state, bd->props.brightness, - bd->props.max_brightness); - - /* - * Allow flipping bl_power as a sub-state of enabled. Sadly the - * backlight class device does not make it easy to to differentiate - * between callbacks for brightness and bl_power, so our backlight_power - * callback needs to take this into account. - */ - if (panel->backlight.enabled) { - if (panel->backlight.power) { - bool enable = bd->props.power == FB_BLANK_UNBLANK && - bd->props.brightness != 0; - panel->backlight.power(connector, enable); - } - } else { - bd->props.power = FB_BLANK_POWERDOWN; - } - - drm_modeset_unlock(&dev->mode_config.connection_mutex); - return 0; -} - -static int intel_backlight_device_get_brightness(struct backlight_device *bd) -{ - struct intel_connector *connector = bl_get_data(bd); - struct drm_device *dev = connector->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - intel_wakeref_t wakeref; - int ret = 0; - - with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) { - u32 hw_level; - - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - - hw_level = intel_panel_get_backlight(connector); - ret = scale_hw_to_user(connector, - hw_level, bd->props.max_brightness); - - drm_modeset_unlock(&dev->mode_config.connection_mutex); - } - - return ret; -} - -static const struct backlight_ops intel_backlight_device_ops = { - .update_status = intel_backlight_device_update_status, - .get_brightness = intel_backlight_device_get_brightness, -}; - -int intel_backlight_device_register(struct intel_connector *connector) -{ - struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - struct backlight_properties props; - struct backlight_device *bd; - const char *name; - int ret = 0; - - if (WARN_ON(panel->backlight.device)) - return -ENODEV; - - if (!panel->backlight.present) - return 0; - - WARN_ON(panel->backlight.max == 0); - - memset(&props, 0, sizeof(props)); - props.type = BACKLIGHT_RAW; - - /* - * Note: Everything should work even if the backlight device max - * presented to the userspace is arbitrarily chosen. - */ - props.max_brightness = panel->backlight.max; - props.brightness = scale_hw_to_user(connector, - panel->backlight.level, - props.max_brightness); - - if (panel->backlight.enabled) - props.power = FB_BLANK_UNBLANK; - else - props.power = FB_BLANK_POWERDOWN; - - name = kstrdup("intel_backlight", GFP_KERNEL); - if (!name) - return -ENOMEM; - - bd = backlight_device_register(name, connector->base.kdev, connector, - &intel_backlight_device_ops, &props); - - /* - * Using the same name independent of the drm device or connector - * prevents registration of multiple backlight devices in the - * driver. However, we need to use the default name for backward - * compatibility. Use unique names for subsequent backlight devices as a - * fallback when the default name already exists. - */ - if (IS_ERR(bd) && PTR_ERR(bd) == -EEXIST) { - kfree(name); - name = kasprintf(GFP_KERNEL, "card%d-%s-backlight", - i915->drm.primary->index, connector->base.name); - if (!name) - return -ENOMEM; - - bd = backlight_device_register(name, connector->base.kdev, connector, - &intel_backlight_device_ops, &props); - } - - if (IS_ERR(bd)) { - drm_err(&i915->drm, - "[CONNECTOR:%d:%s] backlight device %s register failed: %ld\n", - connector->base.base.id, connector->base.name, name, PTR_ERR(bd)); - ret = PTR_ERR(bd); - goto out; - } - - panel->backlight.device = bd; - - drm_dbg_kms(&i915->drm, - "[CONNECTOR:%d:%s] backlight device %s registered\n", - connector->base.base.id, connector->base.name, name); - -out: - kfree(name); - - return ret; -} - -void intel_backlight_device_unregister(struct intel_connector *connector) -{ - struct intel_panel *panel = &connector->panel; - - if (panel->backlight.device) { - backlight_device_unregister(panel->backlight.device); - panel->backlight.device = NULL; - } -} -#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ - -/* - * CNP: PWM clock frequency is 19.2 MHz or 24 MHz. - * PWM increment = 1 - */ -static u32 cnp_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - - return DIV_ROUND_CLOSEST(KHz(RUNTIME_INFO(dev_priv)->rawclk_freq), - pwm_freq_hz); -} - -/* - * BXT: PWM clock frequency = 19.2 MHz. - */ -static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - return DIV_ROUND_CLOSEST(KHz(19200), pwm_freq_hz); -} - -/* - * SPT: This value represents the period of the PWM stream in clock periods - * multiplied by 16 (default increment) or 128 (alternate increment selected in - * SCHICKEN_1 bit 0). PWM clock is 24 MHz. - */ -static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - struct intel_panel *panel = &connector->panel; - u32 mul; - - if (panel->backlight.alternate_pwm_increment) - mul = 128; - else - mul = 16; - - return DIV_ROUND_CLOSEST(MHz(24), pwm_freq_hz * mul); -} - -/* - * LPT: This value represents the period of the PWM stream in clock periods - * multiplied by 128 (default increment) or 16 (alternate increment, selected in - * LPT SOUTH_CHICKEN2 register bit 5). - */ -static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 mul, clock; - - if (panel->backlight.alternate_pwm_increment) - mul = 16; - else - mul = 128; - - if (HAS_PCH_LPT_H(dev_priv)) - clock = MHz(135); /* LPT:H */ - else - clock = MHz(24); /* LPT:LP */ - - return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * mul); -} - -/* - * ILK/SNB/IVB: This value represents the period of the PWM stream in PCH - * display raw clocks multiplied by 128. - */ -static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - - return DIV_ROUND_CLOSEST(KHz(RUNTIME_INFO(dev_priv)->rawclk_freq), - pwm_freq_hz * 128); -} - -/* - * Gen2: This field determines the number of time base events (display core - * clock frequency/32) in total for a complete cycle of modulated backlight - * control. - * - * Gen3: A time base event equals the display core clock ([DevPNV] HRAW clock) - * divided by 32. - */ -static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - int clock; - - if (IS_PINEVIEW(dev_priv)) - clock = KHz(RUNTIME_INFO(dev_priv)->rawclk_freq); - else - clock = KHz(dev_priv->cdclk.hw.cdclk); - - return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * 32); -} - -/* - * Gen4: This value represents the period of the PWM stream in display core - * clocks ([DevCTG] HRAW clocks) multiplied by 128. - * - */ -static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) +int intel_panel_fitting(struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - int clock; - - if (IS_G4X(dev_priv)) - clock = KHz(RUNTIME_INFO(dev_priv)->rawclk_freq); - else - clock = KHz(dev_priv->cdclk.hw.cdclk); - - return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * 128); -} - -/* - * VLV: This value represents the period of the PWM stream in display core - * clocks ([DevCTG] 200MHz HRAW clocks) multiplied by 128 or 25MHz S0IX clocks - * multiplied by 16. CHV uses a 19.2MHz S0IX clock. - */ -static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - int mul, clock; - - if ((intel_de_read(dev_priv, CBR1_VLV) & CBR_PWM_CLOCK_MUX_SELECT) == 0) { - if (IS_CHERRYVIEW(dev_priv)) - clock = KHz(19200); - else - clock = MHz(25); - mul = 16; - } else { - clock = KHz(RUNTIME_INFO(dev_priv)->rawclk_freq); - mul = 128; - } - - return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * mul); -} - -static u16 get_vbt_pwm_freq(struct drm_i915_private *dev_priv) -{ - u16 pwm_freq_hz = dev_priv->vbt.backlight.pwm_freq_hz; - - if (pwm_freq_hz) { - drm_dbg_kms(&dev_priv->drm, - "VBT defined backlight frequency %u Hz\n", - pwm_freq_hz); - } else { - pwm_freq_hz = 200; - drm_dbg_kms(&dev_priv->drm, - "default backlight frequency %u Hz\n", - pwm_freq_hz); - } - - return pwm_freq_hz; -} - -static u32 get_backlight_max_vbt(struct intel_connector *connector) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u16 pwm_freq_hz = get_vbt_pwm_freq(dev_priv); - u32 pwm; - - if (!panel->backlight.pwm_funcs->hz_to_pwm) { - drm_dbg_kms(&dev_priv->drm, - "backlight frequency conversion not supported\n"); - return 0; - } - - pwm = panel->backlight.pwm_funcs->hz_to_pwm(connector, pwm_freq_hz); - if (!pwm) { - drm_dbg_kms(&dev_priv->drm, - "backlight frequency conversion failed\n"); - return 0; - } - - return pwm; -} - -/* - * Note: The setup hooks can't assume pipe is set! - */ -static u32 get_backlight_min_vbt(struct intel_connector *connector) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - int min; - - drm_WARN_ON(&dev_priv->drm, panel->backlight.pwm_level_max == 0); - - /* - * XXX: If the vbt value is 255, it makes min equal to max, which leads - * to problems. There are such machines out there. Either our - * interpretation is wrong or the vbt has bogus data. Or both. Safeguard - * against this by letting the minimum be at most (arbitrarily chosen) - * 25% of the max. - */ - min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0, 64); - if (min != dev_priv->vbt.backlight.min_brightness) { - drm_dbg_kms(&dev_priv->drm, - "clamping VBT min backlight %d/255 to %d/255\n", - dev_priv->vbt.backlight.min_brightness, min); - } - - /* vbt value is a coefficient in range [0..255] */ - return scale(min, 0, 255, 0, panel->backlight.pwm_level_max); -} - -static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 cpu_ctl2, pch_ctl1, pch_ctl2, val; - bool alt, cpu_mode; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); - if (HAS_PCH_LPT(dev_priv)) - alt = intel_de_read(dev_priv, SOUTH_CHICKEN2) & LPT_PWM_GRANULARITY; + if (HAS_GMCH(i915)) + return gmch_panel_fitting(crtc_state, conn_state); else - alt = intel_de_read(dev_priv, SOUTH_CHICKEN1) & SPT_PWM_GRANULARITY; - panel->backlight.alternate_pwm_increment = alt; - - pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); - panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY; - - pch_ctl2 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL2); - panel->backlight.pwm_level_max = pch_ctl2 >> 16; - - cpu_ctl2 = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); - - if (!panel->backlight.pwm_level_max) - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - panel->backlight.pwm_enabled = pch_ctl1 & BLM_PCH_PWM_ENABLE; - - cpu_mode = panel->backlight.pwm_enabled && HAS_PCH_LPT(dev_priv) && - !(pch_ctl1 & BLM_PCH_OVERRIDE_ENABLE) && - (cpu_ctl2 & BLM_PWM_ENABLE); - - if (cpu_mode) { - val = pch_get_backlight(connector, unused); - - drm_dbg_kms(&dev_priv->drm, - "CPU backlight register was enabled, switching to PCH override\n"); - - /* Write converted CPU PWM value to PCH override register */ - lpt_set_backlight(connector->base.state, val); - intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, - pch_ctl1 | BLM_PCH_OVERRIDE_ENABLE); - - intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, - cpu_ctl2 & ~BLM_PWM_ENABLE); - } - - return 0; -} - -static int pch_setup_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 cpu_ctl2, pch_ctl1, pch_ctl2; - - pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1); - panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY; - - pch_ctl2 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL2); - panel->backlight.pwm_level_max = pch_ctl2 >> 16; - - if (!panel->backlight.pwm_level_max) - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - cpu_ctl2 = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); - panel->backlight.pwm_enabled = (cpu_ctl2 & BLM_PWM_ENABLE) && - (pch_ctl1 & BLM_PCH_PWM_ENABLE); - - return 0; -} - -static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 ctl, val; - - ctl = intel_de_read(dev_priv, BLC_PWM_CTL); - - if (DISPLAY_VER(dev_priv) == 2 || IS_I915GM(dev_priv) || IS_I945GM(dev_priv)) - panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE; - - if (IS_PINEVIEW(dev_priv)) - panel->backlight.active_low_pwm = ctl & BLM_POLARITY_PNV; - - panel->backlight.pwm_level_max = ctl >> 17; - - if (!panel->backlight.pwm_level_max) { - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - panel->backlight.pwm_level_max >>= 1; - } - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - if (panel->backlight.combination_mode) - panel->backlight.pwm_level_max *= 0xff; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - val = i9xx_get_backlight(connector, unused); - val = intel_panel_invert_pwm_level(connector, val); - val = clamp(val, panel->backlight.pwm_level_min, panel->backlight.pwm_level_max); - - panel->backlight.pwm_enabled = val != 0; - - return 0; -} - -static int i965_setup_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 ctl, ctl2; - - ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2); - panel->backlight.combination_mode = ctl2 & BLM_COMBINATION_MODE; - panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965; - - ctl = intel_de_read(dev_priv, BLC_PWM_CTL); - panel->backlight.pwm_level_max = ctl >> 16; - - if (!panel->backlight.pwm_level_max) - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - if (panel->backlight.combination_mode) - panel->backlight.pwm_level_max *= 0xff; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE; - - return 0; -} - -static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 ctl, ctl2; - - if (drm_WARN_ON(&dev_priv->drm, pipe != PIPE_A && pipe != PIPE_B)) - return -ENODEV; - - ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); - panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965; - - ctl = intel_de_read(dev_priv, VLV_BLC_PWM_CTL(pipe)); - panel->backlight.pwm_level_max = ctl >> 16; - - if (!panel->backlight.pwm_level_max) - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE; - - return 0; -} - -static int -bxt_setup_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 pwm_ctl, val; - - panel->backlight.controller = dev_priv->vbt.backlight.controller; - - pwm_ctl = intel_de_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - - /* Controller 1 uses the utility pin. */ - if (panel->backlight.controller == 1) { - val = intel_de_read(dev_priv, UTIL_PIN_CTL); - panel->backlight.util_pin_active_low = - val & UTIL_PIN_POLARITY; - } - - panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY; - panel->backlight.pwm_level_max = - intel_de_read(dev_priv, BXT_BLC_PWM_FREQ(panel->backlight.controller)); - - if (!panel->backlight.pwm_level_max) - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE; - - return 0; -} - -static int -cnp_setup_backlight(struct intel_connector *connector, enum pipe unused) -{ - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - u32 pwm_ctl; - - /* - * CNP has the BXT implementation of backlight, but with only one - * controller. TODO: ICP has multiple controllers but we only use - * controller 0 for now. - */ - panel->backlight.controller = 0; - - pwm_ctl = intel_de_read(dev_priv, - BXT_BLC_PWM_CTL(panel->backlight.controller)); - - panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY; - panel->backlight.pwm_level_max = - intel_de_read(dev_priv, BXT_BLC_PWM_FREQ(panel->backlight.controller)); - - if (!panel->backlight.pwm_level_max) - panel->backlight.pwm_level_max = get_backlight_max_vbt(connector); - - if (!panel->backlight.pwm_level_max) - return -ENODEV; - - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE; - - return 0; -} - -static int ext_pwm_setup_backlight(struct intel_connector *connector, - enum pipe pipe) -{ - struct drm_device *dev = connector->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_panel *panel = &connector->panel; - const char *desc; - u32 level; - - /* Get the right PWM chip for DSI backlight according to VBT */ - if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) { - panel->backlight.pwm = pwm_get(dev->dev, "pwm_pmic_backlight"); - desc = "PMIC"; - } else { - panel->backlight.pwm = pwm_get(dev->dev, "pwm_soc_backlight"); - desc = "SoC"; - } - - if (IS_ERR(panel->backlight.pwm)) { - drm_err(&dev_priv->drm, "Failed to get the %s PWM chip\n", - desc); - panel->backlight.pwm = NULL; - return -ENODEV; - } - - panel->backlight.pwm_level_max = 100; /* 100% */ - panel->backlight.pwm_level_min = get_backlight_min_vbt(connector); - - if (pwm_is_enabled(panel->backlight.pwm)) { - /* PWM is already enabled, use existing settings */ - pwm_get_state(panel->backlight.pwm, &panel->backlight.pwm_state); - - level = pwm_get_relative_duty_cycle(&panel->backlight.pwm_state, - 100); - level = intel_panel_invert_pwm_level(connector, level); - panel->backlight.pwm_enabled = true; - - drm_dbg_kms(&dev_priv->drm, "PWM already enabled at freq %ld, VBT freq %d, level %d\n", - NSEC_PER_SEC / (unsigned long)panel->backlight.pwm_state.period, - get_vbt_pwm_freq(dev_priv), level); - } else { - /* Set period from VBT frequency, leave other settings at 0. */ - panel->backlight.pwm_state.period = - NSEC_PER_SEC / get_vbt_pwm_freq(dev_priv); - } - - drm_info(&dev_priv->drm, "Using %s PWM for LCD backlight control\n", - desc); - return 0; -} - -static void intel_pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct intel_panel *panel = &connector->panel; - - panel->backlight.pwm_funcs->set(conn_state, - intel_panel_invert_pwm_level(connector, level)); + return pch_panel_fitting(crtc_state, conn_state); } -static u32 intel_pwm_get_backlight(struct intel_connector *connector, enum pipe pipe) -{ - struct intel_panel *panel = &connector->panel; - - return intel_panel_invert_pwm_level(connector, - panel->backlight.pwm_funcs->get(connector, pipe)); -} - -static void intel_pwm_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct intel_panel *panel = &connector->panel; - - panel->backlight.pwm_funcs->enable(crtc_state, conn_state, - intel_panel_invert_pwm_level(connector, level)); -} - -static void intel_pwm_disable_backlight(const struct drm_connector_state *conn_state, u32 level) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct intel_panel *panel = &connector->panel; - - panel->backlight.pwm_funcs->disable(conn_state, - intel_panel_invert_pwm_level(connector, level)); -} - -static int intel_pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe) -{ - struct intel_panel *panel = &connector->panel; - int ret = panel->backlight.pwm_funcs->setup(connector, pipe); - - if (ret < 0) - return ret; - - panel->backlight.min = panel->backlight.pwm_level_min; - panel->backlight.max = panel->backlight.pwm_level_max; - panel->backlight.level = intel_pwm_get_backlight(connector, pipe); - panel->backlight.enabled = panel->backlight.pwm_enabled; - - return 0; -} - -void intel_panel_update_backlight(struct intel_atomic_state *state, - struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) -{ - struct intel_connector *connector = to_intel_connector(conn_state->connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - struct intel_panel *panel = &connector->panel; - - if (!panel->backlight.present) - return; - - mutex_lock(&dev_priv->backlight_lock); - if (!panel->backlight.enabled) - __intel_panel_enable_backlight(crtc_state, conn_state); - - mutex_unlock(&dev_priv->backlight_lock); -} - -int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe) +enum drm_connector_status +intel_panel_detect(struct drm_connector *connector, bool force) { - struct drm_i915_private *dev_priv = to_i915(connector->dev); - struct intel_connector *intel_connector = to_intel_connector(connector); - struct intel_panel *panel = &intel_connector->panel; - int ret; - - if (!dev_priv->vbt.backlight.present) { - if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) { - drm_dbg_kms(&dev_priv->drm, - "no backlight present per VBT, but present per quirk\n"); - } else { - drm_dbg_kms(&dev_priv->drm, - "no backlight present per VBT\n"); - return 0; - } - } - - /* ensure intel_panel has been initialized first */ - if (drm_WARN_ON(&dev_priv->drm, !panel->backlight.funcs)) - return -ENODEV; - - /* set level and max in panel struct */ - mutex_lock(&dev_priv->backlight_lock); - ret = panel->backlight.funcs->setup(intel_connector, pipe); - mutex_unlock(&dev_priv->backlight_lock); - - if (ret) { - drm_dbg_kms(&dev_priv->drm, - "failed to setup backlight for connector %s\n", - connector->name); - return ret; - } - - panel->backlight.present = true; - - drm_dbg_kms(&dev_priv->drm, - "Connector %s backlight initialized, %s, brightness %u/%u\n", - connector->name, - enableddisabled(panel->backlight.enabled), - panel->backlight.level, panel->backlight.max); - - return 0; -} + struct drm_i915_private *i915 = to_i915(connector->dev); -static void intel_panel_destroy_backlight(struct intel_panel *panel) -{ - /* dispose of the pwm */ - if (panel->backlight.pwm) - pwm_put(panel->backlight.pwm); + if (!INTEL_DISPLAY_ENABLED(i915)) + return connector_status_disconnected; - panel->backlight.present = false; + return connector_status_connected; } -static const struct intel_panel_bl_funcs bxt_pwm_funcs = { - .setup = bxt_setup_backlight, - .enable = bxt_enable_backlight, - .disable = bxt_disable_backlight, - .set = bxt_set_backlight, - .get = bxt_get_backlight, - .hz_to_pwm = bxt_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs cnp_pwm_funcs = { - .setup = cnp_setup_backlight, - .enable = cnp_enable_backlight, - .disable = cnp_disable_backlight, - .set = bxt_set_backlight, - .get = bxt_get_backlight, - .hz_to_pwm = cnp_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs lpt_pwm_funcs = { - .setup = lpt_setup_backlight, - .enable = lpt_enable_backlight, - .disable = lpt_disable_backlight, - .set = lpt_set_backlight, - .get = lpt_get_backlight, - .hz_to_pwm = lpt_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs spt_pwm_funcs = { - .setup = lpt_setup_backlight, - .enable = lpt_enable_backlight, - .disable = lpt_disable_backlight, - .set = lpt_set_backlight, - .get = lpt_get_backlight, - .hz_to_pwm = spt_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs pch_pwm_funcs = { - .setup = pch_setup_backlight, - .enable = pch_enable_backlight, - .disable = pch_disable_backlight, - .set = pch_set_backlight, - .get = pch_get_backlight, - .hz_to_pwm = pch_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs ext_pwm_funcs = { - .setup = ext_pwm_setup_backlight, - .enable = ext_pwm_enable_backlight, - .disable = ext_pwm_disable_backlight, - .set = ext_pwm_set_backlight, - .get = ext_pwm_get_backlight, -}; - -static const struct intel_panel_bl_funcs vlv_pwm_funcs = { - .setup = vlv_setup_backlight, - .enable = vlv_enable_backlight, - .disable = vlv_disable_backlight, - .set = vlv_set_backlight, - .get = vlv_get_backlight, - .hz_to_pwm = vlv_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs i965_pwm_funcs = { - .setup = i965_setup_backlight, - .enable = i965_enable_backlight, - .disable = i965_disable_backlight, - .set = i9xx_set_backlight, - .get = i9xx_get_backlight, - .hz_to_pwm = i965_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs i9xx_pwm_funcs = { - .setup = i9xx_setup_backlight, - .enable = i9xx_enable_backlight, - .disable = i9xx_disable_backlight, - .set = i9xx_set_backlight, - .get = i9xx_get_backlight, - .hz_to_pwm = i9xx_hz_to_pwm, -}; - -static const struct intel_panel_bl_funcs pwm_bl_funcs = { - .setup = intel_pwm_setup_backlight, - .enable = intel_pwm_enable_backlight, - .disable = intel_pwm_disable_backlight, - .set = intel_pwm_set_backlight, - .get = intel_pwm_get_backlight, -}; - -/* Set up chip specific backlight functions */ -static void -intel_panel_init_backlight_funcs(struct intel_panel *panel) +enum drm_mode_status +intel_panel_mode_valid(struct intel_connector *connector, + const struct drm_display_mode *mode) { - struct intel_connector *connector = - container_of(panel, struct intel_connector, panel); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + const struct drm_display_mode *fixed_mode = connector->panel.fixed_mode; - if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI && - intel_dsi_dcs_init_backlight_funcs(connector) == 0) - return; - - if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { - panel->backlight.pwm_funcs = &bxt_pwm_funcs; - } else if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP) { - panel->backlight.pwm_funcs = &cnp_pwm_funcs; - } else if (INTEL_PCH_TYPE(dev_priv) >= PCH_LPT) { - if (HAS_PCH_LPT(dev_priv)) - panel->backlight.pwm_funcs = &lpt_pwm_funcs; - else - panel->backlight.pwm_funcs = &spt_pwm_funcs; - } else if (HAS_PCH_SPLIT(dev_priv)) { - panel->backlight.pwm_funcs = &pch_pwm_funcs; - } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) { - panel->backlight.pwm_funcs = &ext_pwm_funcs; - } else { - panel->backlight.pwm_funcs = &vlv_pwm_funcs; - } - } else if (DISPLAY_VER(dev_priv) == 4) { - panel->backlight.pwm_funcs = &i965_pwm_funcs; - } else { - panel->backlight.pwm_funcs = &i9xx_pwm_funcs; - } - - if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP && - intel_dp_aux_init_backlight_funcs(connector) == 0) - return; + if (!fixed_mode) + return MODE_OK; - /* We're using a standard PWM backlight interface */ - panel->backlight.funcs = &pwm_bl_funcs; -} + if (mode->hdisplay != fixed_mode->hdisplay) + return MODE_PANEL; -enum drm_connector_status -intel_panel_detect(struct drm_connector *connector, bool force) -{ - struct drm_i915_private *i915 = to_i915(connector->dev); + if (mode->vdisplay != fixed_mode->vdisplay) + return MODE_PANEL; - if (!INTEL_DISPLAY_ENABLED(i915)) - return connector_status_disconnected; + if (drm_mode_vrefresh(mode) != drm_mode_vrefresh(fixed_mode)) + return MODE_PANEL; - return connector_status_connected; + return MODE_OK; } int intel_panel_init(struct intel_panel *panel, struct drm_display_mode *fixed_mode, struct drm_display_mode *downclock_mode) { - intel_panel_init_backlight_funcs(panel); + intel_backlight_init_funcs(panel); panel->fixed_mode = fixed_mode; panel->downclock_mode = downclock_mode; @@ -2245,7 +542,7 @@ void intel_panel_fini(struct intel_panel *panel) struct intel_connector *intel_connector = container_of(panel, struct intel_connector, panel); - intel_panel_destroy_backlight(panel); + intel_backlight_destroy(panel); if (panel->fixed_mode) drm_mode_destroy(intel_connector->base.dev, panel->fixed_mode); diff --git a/drivers/gpu/drm/i915/display/intel_panel.h b/drivers/gpu/drm/i915/display/intel_panel.h index 1d340f77bffc..d50b3f7e9e58 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.h +++ b/drivers/gpu/drm/i915/display/intel_panel.h @@ -8,15 +8,13 @@ #include <linux/types.h> -#include "intel_display.h" - +enum drm_connector_status; struct drm_connector; struct drm_connector_state; struct drm_display_mode; +struct drm_i915_private; struct intel_connector; -struct intel_crtc; struct intel_crtc_state; -struct intel_encoder; struct intel_panel; int intel_panel_init(struct intel_panel *panel, @@ -25,23 +23,16 @@ int intel_panel_init(struct intel_panel *panel, void intel_panel_fini(struct intel_panel *panel); enum drm_connector_status intel_panel_detect(struct drm_connector *connector, bool force); -void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, +bool intel_panel_use_ssc(struct drm_i915_private *i915); +void intel_panel_fixed_mode(const struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode); -int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state, - u32 level, u32 max); -int intel_panel_setup_backlight(struct drm_connector *connector, - enum pipe pipe); -void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_panel_update_backlight(struct intel_atomic_state *state, - struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state); +enum drm_mode_status +intel_panel_mode_valid(struct intel_connector *connector, + const struct drm_display_mode *mode); +int intel_panel_fitting(struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); +int intel_panel_compute_config(struct intel_connector *connector, + struct drm_display_mode *adjusted_mode); struct drm_display_mode * intel_panel_edid_downclock_mode(struct intel_connector *connector, const struct drm_display_mode *fixed_mode); @@ -49,22 +40,5 @@ struct drm_display_mode * intel_panel_edid_fixed_mode(struct intel_connector *connector); struct drm_display_mode * intel_panel_vbt_fixed_mode(struct intel_connector *connector); -void intel_panel_set_pwm_level(const struct drm_connector_state *conn_state, u32 level); -u32 intel_panel_invert_pwm_level(struct intel_connector *connector, u32 level); -u32 intel_panel_backlight_level_to_pwm(struct intel_connector *connector, u32 level); -u32 intel_panel_backlight_level_from_pwm(struct intel_connector *connector, u32 val); - -#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) -int intel_backlight_device_register(struct intel_connector *connector); -void intel_backlight_device_unregister(struct intel_connector *connector); -#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ -static inline int intel_backlight_device_register(struct intel_connector *connector) -{ - return 0; -} -static inline void intel_backlight_device_unregister(struct intel_connector *connector) -{ -} -#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ #endif /* __INTEL_PANEL_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index a36ec4a818ff..e9c679bb1b2e 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -9,6 +9,7 @@ #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dpll.h" +#include "intel_lvds.h" #include "intel_pps.h" static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv, @@ -1408,3 +1409,61 @@ void intel_pps_setup(struct drm_i915_private *i915) else i915->pps_mmio_base = PPS_BASE; } + +void assert_pps_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe) +{ + i915_reg_t pp_reg; + u32 val; + enum pipe panel_pipe = INVALID_PIPE; + bool locked = true; + + if (drm_WARN_ON(&dev_priv->drm, HAS_DDI(dev_priv))) + return; + + if (HAS_PCH_SPLIT(dev_priv)) { + u32 port_sel; + + pp_reg = PP_CONTROL(0); + port_sel = intel_de_read(dev_priv, PP_ON_DELAYS(0)) & PANEL_PORT_SELECT_MASK; + + switch (port_sel) { + case PANEL_PORT_SELECT_LVDS: + intel_lvds_port_enabled(dev_priv, PCH_LVDS, &panel_pipe); + break; + case PANEL_PORT_SELECT_DPA: + g4x_dp_port_enabled(dev_priv, DP_A, PORT_A, &panel_pipe); + break; + case PANEL_PORT_SELECT_DPC: + g4x_dp_port_enabled(dev_priv, PCH_DP_C, PORT_C, &panel_pipe); + break; + case PANEL_PORT_SELECT_DPD: + g4x_dp_port_enabled(dev_priv, PCH_DP_D, PORT_D, &panel_pipe); + break; + default: + MISSING_CASE(port_sel); + break; + } + } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { + /* presumably write lock depends on pipe, not port select */ + pp_reg = PP_CONTROL(pipe); + panel_pipe = pipe; + } else { + u32 port_sel; + + pp_reg = PP_CONTROL(0); + port_sel = intel_de_read(dev_priv, PP_ON_DELAYS(0)) & PANEL_PORT_SELECT_MASK; + + drm_WARN_ON(&dev_priv->drm, + port_sel != PANEL_PORT_SELECT_LVDS); + intel_lvds_port_enabled(dev_priv, LVDS, &panel_pipe); + } + + val = intel_de_read(dev_priv, pp_reg); + if (!(val & PANEL_POWER_ON) || + ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) + locked = false; + + I915_STATE_WARN(panel_pipe == pipe && locked, + "panel assertion failure, pipe %c regs locked\n", + pipe_name(pipe)); +} diff --git a/drivers/gpu/drm/i915/display/intel_pps.h b/drivers/gpu/drm/i915/display/intel_pps.h index fbbcca782e7b..fbb47f6f453e 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.h +++ b/drivers/gpu/drm/i915/display/intel_pps.h @@ -10,6 +10,7 @@ #include "intel_wakeref.h" +enum pipe; struct drm_i915_private; struct intel_connector; struct intel_crtc_state; @@ -49,4 +50,6 @@ void vlv_pps_init(struct intel_encoder *encoder, void intel_pps_unlock_regs_wa(struct drm_i915_private *i915); void intel_pps_setup(struct drm_i915_private *i915); +void assert_pps_unlocked(struct drm_i915_private *i915, enum pipe pipe); + #endif /* __INTEL_PPS_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 1b0daf649e82..7a205fd5023b 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -22,6 +22,7 @@ */ #include <drm/drm_atomic_helper.h> +#include <drm/drm_damage_helper.h> #include "display/intel_dp.h" @@ -364,41 +365,6 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) } } -static void hsw_psr_setup_aux(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 aux_clock_divider, aux_ctl; - int i; - static const u8 aux_msg[] = { - [0] = DP_AUX_NATIVE_WRITE << 4, - [1] = DP_SET_POWER >> 8, - [2] = DP_SET_POWER & 0xff, - [3] = 1 - 1, - [4] = DP_SET_POWER_D0, - }; - u32 psr_aux_mask = EDP_PSR_AUX_CTL_TIME_OUT_MASK | - EDP_PSR_AUX_CTL_MESSAGE_SIZE_MASK | - EDP_PSR_AUX_CTL_PRECHARGE_2US_MASK | - EDP_PSR_AUX_CTL_BIT_CLOCK_2X_MASK; - - BUILD_BUG_ON(sizeof(aux_msg) > 20); - for (i = 0; i < sizeof(aux_msg); i += 4) - intel_de_write(dev_priv, - EDP_PSR_AUX_DATA(intel_dp->psr.transcoder, i >> 2), - intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i)); - - aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0); - - /* Start with bits set for DDI_AUX_CTL register */ - aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, sizeof(aux_msg), - aux_clock_divider); - - /* Select only valid bits for SRD_AUX_CTL */ - aux_ctl &= psr_aux_mask; - intel_de_write(dev_priv, EDP_PSR_AUX_CTL(intel_dp->psr.transcoder), - aux_ctl); -} - static void intel_psr_enable_sink(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); @@ -460,7 +426,7 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp) val |= EDP_PSR_TP2_TP3_TIME_2500us; check_tp3_sel: - if (intel_dp_source_supports_hbr2(intel_dp) && + if (intel_dp_source_supports_tps3(dev_priv) && drm_dp_tps3_supported(intel_dp->dpcd)) val |= EDP_PSR_TP1_TP3_SEL; else @@ -545,7 +511,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) <= 12) val |= EDP_Y_COORDINATE_ENABLE; - val |= EDP_PSR2_FRAME_BEFORE_SU(intel_dp->psr.sink_sync_latency + 1); + val |= EDP_PSR2_FRAME_BEFORE_SU(max_t(u8, intel_dp->psr.sink_sync_latency + 1, 2)); val |= intel_psr2_get_tp_time(intel_dp); /* Wa_22012278275:adl-p */ @@ -595,15 +561,16 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) val |= EDP_PSR2_SU_SDP_SCANLINE; if (intel_dp->psr.psr2_sel_fetch_enabled) { + u32 tmp; + /* Wa_1408330847 */ if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) intel_de_rmw(dev_priv, CHICKEN_PAR1_1, DIS_RAM_BYPASS_PSR2_MAN_TRACK, DIS_RAM_BYPASS_PSR2_MAN_TRACK); - intel_de_write(dev_priv, - PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), - PSR2_MAN_TRK_CTL_ENABLE); + tmp = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder)); + drm_WARN_ON(&dev_priv->drm, !(tmp & PSR2_MAN_TRK_CTL_ENABLE)); } else if (HAS_PSR2_SEL_FETCH(dev_priv)) { intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), 0); @@ -621,9 +588,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) static bool transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder trans) { - if (DISPLAY_VER(dev_priv) < 9) - return false; - else if (DISPLAY_VER(dev_priv) >= 12) + if (DISPLAY_VER(dev_priv) >= 12) return trans == TRANSCODER_A; else return trans == TRANSCODER_EDP; @@ -755,11 +720,7 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp, static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { - struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->uapi.state); struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_plane_state *plane_state; - struct intel_plane *plane; - int i; if (!dev_priv->params.enable_psr2_sel_fetch && intel_dp->psr.debug != I915_PSR_DEBUG_ENABLE_SEL_FETCH) { @@ -774,14 +735,6 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp, return false; } - for_each_new_intel_plane_in_state(state, plane, plane_state, i) { - if (plane_state->uapi.rotation != DRM_MODE_ROTATE_0) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 sel fetch not enabled, plane rotated\n"); - return false; - } - } - /* Wa_14010254185 Wa_14010103792 */ if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) { drm_dbg_kms(&dev_priv->drm, @@ -877,12 +830,8 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, return false; } - /* - * We are missing the implementation of some workarounds to enabled PSR2 - * in Alderlake_P, until ready PSR2 should be kept disabled. - */ - if (IS_ALDERLAKE_P(dev_priv)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 is missing the implementation of workarounds\n"); + if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) { + drm_dbg_kms(&dev_priv->drm, "PSR2 not completely functional in this stepping\n"); return false; } @@ -985,7 +934,8 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, } void intel_psr_compute_config(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state) + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); const struct drm_display_mode *adjusted_mode = @@ -1037,7 +987,10 @@ void intel_psr_compute_config(struct intel_dp *intel_dp, crtc_state->has_psr = true; crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state); + crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC); + intel_dp_compute_psr_vsc_sdp(intel_dp, crtc_state, conn_state, + &crtc_state->psr_vsc); } void intel_psr_get_config(struct intel_encoder *encoder, @@ -1114,12 +1067,6 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp) enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 mask; - /* Only HSW and BDW have PSR AUX registers that need to be setup. SKL+ - * use hardcoded values PSR AUX transactions - */ - if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) - hsw_psr_setup_aux(intel_dp); - if (intel_dp->psr.psr2_enabled && DISPLAY_VER(dev_priv) == 9) { i915_reg_t reg = CHICKEN_TRANS(cpu_transcoder); u32 chicken = intel_de_read(dev_priv, reg); @@ -1130,6 +1077,16 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp) } /* + * Wa_16014451276:adlp + * All supported adlp panels have 1-based X granularity, this may + * cause issues if non-supported panels are used. + */ + if (IS_ALDERLAKE_P(dev_priv) && + intel_dp->psr.psr2_enabled) + intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder), 0, + ADLP_1_BASED_X_GRANULARITY); + + /* * Per Spec: Avoid continuous PSR exit by masking MEMUP and HPD also * mask LPSP to avoid dependency on other drivers that might block * runtime_pm besides preventing other hw tracking issues now we @@ -1174,6 +1131,11 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp) TRANS_SET_CONTEXT_LATENCY(intel_dp->psr.transcoder), TRANS_SET_CONTEXT_LATENCY_MASK, TRANS_SET_CONTEXT_LATENCY_VALUE(1)); + + /* Wa_16012604467:adlp */ + if (IS_ALDERLAKE_P(dev_priv) && intel_dp->psr.psr2_enabled) + intel_de_rmw(dev_priv, CLKGATE_DIS_MISC, 0, + CLKGATE_DIS_MISC_DMASC_GATING_DIS); } static bool psr_interrupt_error_check(struct intel_dp *intel_dp) @@ -1208,8 +1170,7 @@ static bool psr_interrupt_error_check(struct intel_dp *intel_dp) } static void intel_psr_enable_locked(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct intel_crtc_state *crtc_state) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); @@ -1236,9 +1197,7 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp, drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n", intel_dp->psr.psr2_enabled ? "2" : "1"); - intel_dp_compute_psr_vsc_sdp(intel_dp, crtc_state, conn_state, - &intel_dp->psr.vsc); - intel_write_dp_vsc_sdp(encoder, crtc_state, &intel_dp->psr.vsc); + intel_write_dp_vsc_sdp(encoder, crtc_state, &crtc_state->psr_vsc); intel_snps_phy_update_psr_power_state(dev_priv, phy, true); intel_psr_enable_sink(intel_dp); intel_psr_enable_source(intel_dp); @@ -1248,33 +1207,6 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp, intel_psr_activate(intel_dp); } -/** - * intel_psr_enable - Enable PSR - * @intel_dp: Intel DP - * @crtc_state: new CRTC state - * @conn_state: new CONNECTOR state - * - * This function can only be called after the pipe is fully trained and enabled. - */ -void intel_psr_enable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (!CAN_PSR(intel_dp)) - return; - - if (!crtc_state->has_psr) - return; - - drm_WARN_ON(&dev_priv->drm, dev_priv->drrs.dp); - - mutex_lock(&intel_dp->psr.lock); - intel_psr_enable_locked(intel_dp, crtc_state, conn_state); - mutex_unlock(&intel_dp->psr.lock); -} - static void intel_psr_exit(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); @@ -1363,6 +1295,11 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) TRANS_SET_CONTEXT_LATENCY(intel_dp->psr.transcoder), TRANS_SET_CONTEXT_LATENCY_MASK, 0); + /* Wa_16012604467:adlp */ + if (IS_ALDERLAKE_P(dev_priv) && intel_dp->psr.psr2_enabled) + intel_de_rmw(dev_priv, CLKGATE_DIS_MISC, + CLKGATE_DIS_MISC_DMASC_GATING_DIS, 0); + intel_snps_phy_update_psr_power_state(dev_priv, phy, false); /* Disable PSR on Sink */ @@ -1456,27 +1393,48 @@ unlock: mutex_unlock(&psr->lock); } +static inline u32 man_trk_ctl_single_full_frame_bit_get(struct drm_i915_private *dev_priv) +{ + return IS_ALDERLAKE_P(dev_priv) ? + ADLP_PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME : + PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME; +} + static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (DISPLAY_VER(dev_priv) >= 9) - /* - * Display WA #0884: skl+ - * This documented WA for bxt can be safely applied - * broadly so we can force HW tracking to exit PSR - * instead of disabling and re-enabling. - * Workaround tells us to write 0 to CUR_SURFLIVE_A, - * but it makes more sense write to the current active - * pipe. - */ - intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); - else - /* - * A write to CURSURFLIVE do not cause HW tracking to exit PSR - * on older gens so doing the manual exit instead. - */ - intel_psr_exit(intel_dp); + if (intel_dp->psr.psr2_sel_fetch_enabled) + intel_de_rmw(dev_priv, + PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), 0, + man_trk_ctl_single_full_frame_bit_get(dev_priv)); + + /* + * Display WA #0884: skl+ + * This documented WA for bxt can be safely applied + * broadly so we can force HW tracking to exit PSR + * instead of disabling and re-enabling. + * Workaround tells us to write 0 to CUR_SURFLIVE_A, + * but it makes more sense write to the current active + * pipe. + * + * This workaround do not exist for platforms with display 10 or newer + * but testing proved that it works for up display 13, for newer + * than that testing will be needed. + */ + intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); +} + +void intel_psr2_disable_plane_sel_fetch(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + enum pipe pipe = plane->pipe; + + if (!crtc_state->enable_psr2_sel_fetch) + return; + + intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_CTL(pipe, plane->id), 0); } void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, @@ -1487,17 +1445,17 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum pipe pipe = plane->pipe; const struct drm_rect *clip; - u32 val, offset; - int ret, x, y; + u32 val; + int x, y; if (!crtc_state->enable_psr2_sel_fetch) return; - val = plane_state ? plane_state->ctl : 0; - val &= plane->id == PLANE_CURSOR ? val : PLANE_SEL_FETCH_CTL_ENABLE; - intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_CTL(pipe, plane->id), val); - if (!val || plane->id == PLANE_CURSOR) + if (plane->id == PLANE_CURSOR) { + intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_CTL(pipe, plane->id), + plane_state->ctl); return; + } clip = &plane_state->psr2_sel_fetch_area; @@ -1508,10 +1466,6 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, /* TODO: consider auxiliary surfaces */ x = plane_state->uapi.src.x1 >> 16; y = (plane_state->uapi.src.y1 >> 16) + clip->y1; - ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset); - if (ret) - drm_warn_once(&dev_priv->drm, "skl_calc_main_surface_offset() returned %i\n", - ret); val = y << 16 | x; intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_OFFSET(pipe, plane->id), val); @@ -1520,14 +1474,16 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, val = (drm_rect_height(clip) - 1) << 16; val |= (drm_rect_width(&plane_state->uapi.src) >> 16) - 1; intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_SIZE(pipe, plane->id), val); + + intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_CTL(pipe, plane->id), + PLANE_SEL_FETCH_CTL_ENABLE); } void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - if (!HAS_PSR2_SEL_FETCH(dev_priv) || - !crtc_state->enable_psr2_sel_fetch) + if (!crtc_state->enable_psr2_sel_fetch) return; intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(crtc_state->cpu_transcoder), @@ -1542,11 +1498,11 @@ static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state, u32 val = PSR2_MAN_TRK_CTL_ENABLE; if (full_update) { - if (IS_ALDERLAKE_P(dev_priv)) - val |= ADLP_PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME; - else - val |= PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME; - + /* + * Not applying Wa_14014971508:adlp as we do not support the + * feature that requires this workaround. + */ + val |= man_trk_ctl_single_full_frame_bit_get(dev_priv); goto exit; } @@ -1555,7 +1511,7 @@ static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state, if (IS_ALDERLAKE_P(dev_priv)) { val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR(clip->y1); - val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR(clip->y2); + val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR(clip->y2 - 1); } else { drm_WARN_ON(crtc_state->uapi.crtc->dev, clip->y1 % 4 || clip->y2 % 4); @@ -1597,6 +1553,45 @@ static void intel_psr2_sel_fetch_pipe_alignment(const struct intel_crtc_state *c drm_warn(&dev_priv->drm, "Missing PSR2 sel fetch alignment with DSC\n"); } +/* + * TODO: Not clear how to handle planes with negative position, + * also planes are not updated if they have a negative X + * position so for now doing a full update in this cases + * + * TODO: We are missing multi-planar formats handling, until it is + * implemented it will send full frame updates. + * + * Plane scaling and rotation is not supported by selective fetch and both + * properties can change without a modeset, so need to be check at every + * atomic commmit. + */ +static bool psr2_sel_fetch_plane_state_supported(const struct intel_plane_state *plane_state) +{ + if (plane_state->uapi.dst.y1 < 0 || + plane_state->uapi.dst.x1 < 0 || + plane_state->scaler_id >= 0 || + plane_state->hw.fb->format->num_planes > 1 || + plane_state->uapi.rotation != DRM_MODE_ROTATE_0) + return false; + + return true; +} + +/* + * Check for pipe properties that is not supported by selective fetch. + * + * TODO: pipe scaling causes a modeset but skl_update_scaler_crtc() is executed + * after intel_psr_compute_config(), so for now keeping PSR2 selective fetch + * enabled and going to the full update path. + */ +static bool psr2_sel_fetch_pipe_state_supported(const struct intel_crtc_state *crtc_state) +{ + if (crtc_state->scaler_state.scaler_id >= 0) + return false; + + return true; +} + int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, struct intel_crtc *crtc) { @@ -1610,9 +1605,10 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, if (!crtc_state->enable_psr2_sel_fetch) return 0; - ret = drm_atomic_add_affected_planes(&state->base, &crtc->base); - if (ret) - return ret; + if (!psr2_sel_fetch_pipe_state_supported(crtc_state)) { + full_update = true; + goto skip_sel_fetch_set_loop; + } /* * Calculate minimal selective fetch area of each plane and calculate @@ -1623,8 +1619,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { struct drm_rect src, damaged_area = { .y1 = -1 }; - struct drm_mode_rect *damaged_clips; - u32 num_clips, j; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; if (new_plane_state->uapi.crtc != crtc_state->uapi.crtc) continue; @@ -1633,19 +1629,11 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, !old_plane_state->uapi.visible) continue; - /* - * TODO: Not clear how to handle planes with negative position, - * also planes are not updated if they have a negative X - * position so for now doing a full update in this cases - */ - if (new_plane_state->uapi.dst.y1 < 0 || - new_plane_state->uapi.dst.x1 < 0) { + if (!psr2_sel_fetch_plane_state_supported(new_plane_state)) { full_update = true; break; } - num_clips = drm_plane_get_damage_clips_count(&new_plane_state->uapi); - /* * If visibility or plane moved, mark the whole plane area as * damaged as it needs to be complete redraw in the new and old @@ -1666,14 +1654,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, clip_area_update(&pipe_clip, &damaged_area); } continue; - } else if (new_plane_state->uapi.alpha != old_plane_state->uapi.alpha || - (!num_clips && - new_plane_state->uapi.fb != old_plane_state->uapi.fb)) { - /* - * If the plane don't have damaged areas but the - * framebuffer changed or alpha changed, mark the whole - * plane area as damaged. - */ + } else if (new_plane_state->uapi.alpha != old_plane_state->uapi.alpha) { + /* If alpha changed mark the whole plane area as damaged */ damaged_area.y1 = new_plane_state->uapi.dst.y1; damaged_area.y2 = new_plane_state->uapi.dst.y2; clip_area_update(&pipe_clip, &damaged_area); @@ -1681,15 +1663,11 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, } drm_rect_fp_to_int(&src, &new_plane_state->uapi.src); - damaged_clips = drm_plane_get_damage_clips(&new_plane_state->uapi); - for (j = 0; j < num_clips; j++) { - struct drm_rect clip; - - clip.x1 = damaged_clips[j].x1; - clip.y1 = damaged_clips[j].y1; - clip.x2 = damaged_clips[j].x2; - clip.y2 = damaged_clips[j].y2; + drm_atomic_helper_damage_iter_init(&iter, + &old_plane_state->uapi, + &new_plane_state->uapi); + drm_atomic_for_each_plane_damage(&iter, &clip) { if (drm_rect_intersect(&clip, &src)) clip_area_update(&damaged_area, &clip); } @@ -1705,6 +1683,10 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, if (full_update) goto skip_sel_fetch_set_loop; + ret = drm_atomic_add_affected_planes(&state->base, &crtc->base); + if (ret) + return ret; + intel_psr2_sel_fetch_pipe_alignment(crtc_state, &pipe_clip); /* @@ -1723,6 +1705,11 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst)) continue; + if (!psr2_sel_fetch_plane_state_supported(new_plane_state)) { + full_update = true; + break; + } + sel_fetch_area = &new_plane_state->psr2_sel_fetch_area; sel_fetch_area->y1 = inter.y1 - new_plane_state->uapi.dst.y1; sel_fetch_area->y2 = inter.y2 - new_plane_state->uapi.dst.y1; @@ -1734,58 +1721,92 @@ skip_sel_fetch_set_loop: return 0; } -/** - * intel_psr_update - Update PSR state - * @intel_dp: Intel DP - * @crtc_state: new CRTC state - * @conn_state: new CONNECTOR state - * - * This functions will update PSR states, disabling, enabling or switching PSR - * version when executing fastsets. For full modeset, intel_psr_disable() and - * intel_psr_enable() should be called instead. - */ -void intel_psr_update(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static void _intel_psr_pre_plane_update(const struct intel_atomic_state *state, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_psr *psr = &intel_dp->psr; - bool enable, psr2_enable; + struct intel_encoder *encoder; - if (!CAN_PSR(intel_dp)) + for_each_intel_encoder_mask_with_psr(state->base.dev, encoder, + crtc_state->uapi.encoder_mask) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_psr *psr = &intel_dp->psr; + bool needs_to_disable = false; + + mutex_lock(&psr->lock); + + /* + * Reasons to disable: + * - PSR disabled in new state + * - All planes will go inactive + * - Changing between PSR versions + */ + needs_to_disable |= !crtc_state->has_psr; + needs_to_disable |= !crtc_state->active_planes; + needs_to_disable |= crtc_state->has_psr2 != psr->psr2_enabled; + + if (psr->enabled && needs_to_disable) + intel_psr_disable_locked(intel_dp); + + mutex_unlock(&psr->lock); + } +} + +void intel_psr_pre_plane_update(const struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state; + struct intel_crtc *crtc; + int i; + + if (!HAS_PSR(dev_priv)) return; - mutex_lock(&intel_dp->psr.lock); + for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) + _intel_psr_pre_plane_update(state, crtc_state); +} + +static void _intel_psr_post_plane_update(const struct intel_atomic_state *state, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_encoder *encoder; + + if (!crtc_state->has_psr) + return; + + for_each_intel_encoder_mask_with_psr(state->base.dev, encoder, + crtc_state->uapi.encoder_mask) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_psr *psr = &intel_dp->psr; + + mutex_lock(&psr->lock); + + drm_WARN_ON(&dev_priv->drm, psr->enabled && !crtc_state->active_planes); - enable = crtc_state->has_psr; - psr2_enable = crtc_state->has_psr2; + /* Only enable if there is active planes */ + if (!psr->enabled && crtc_state->active_planes) + intel_psr_enable_locked(intel_dp, crtc_state); - if (enable == psr->enabled && psr2_enable == psr->psr2_enabled && - crtc_state->enable_psr2_sel_fetch == psr->psr2_sel_fetch_enabled) { /* Force a PSR exit when enabling CRC to avoid CRC timeouts */ if (crtc_state->crc_enabled && psr->enabled) psr_force_hw_tracking_exit(intel_dp); - else if (DISPLAY_VER(dev_priv) < 9 && psr->enabled) { - /* - * Activate PSR again after a force exit when enabling - * CRC in older gens - */ - if (!intel_dp->psr.active && - !intel_dp->psr.busy_frontbuffer_bits) - schedule_work(&intel_dp->psr.work); - } - goto unlock; + mutex_unlock(&psr->lock); } +} - if (psr->enabled) - intel_psr_disable_locked(intel_dp); +void intel_psr_post_plane_update(const struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state; + struct intel_crtc *crtc; + int i; - if (enable) - intel_psr_enable_locked(intel_dp, crtc_state, conn_state); + if (!HAS_PSR(dev_priv)) + return; -unlock: - mutex_unlock(&intel_dp->psr.lock); + for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) + _intel_psr_post_plane_update(state, crtc_state); } /** @@ -2065,20 +2086,16 @@ void intel_psr_invalidate(struct drm_i915_private *dev_priv, /* * When we will be completely rely on PSR2 S/W tracking in future, * intel_psr_flush() will invalidate and flush the PSR for ORIGIN_FLIP - * event also therefore tgl_dc3co_flush() require to be changed + * event also therefore tgl_dc3co_flush_locked() require to be changed * accordingly in future. */ static void -tgl_dc3co_flush(struct intel_dp *intel_dp, unsigned int frontbuffer_bits, - enum fb_op_origin origin) +tgl_dc3co_flush_locked(struct intel_dp *intel_dp, unsigned int frontbuffer_bits, + enum fb_op_origin origin) { - mutex_lock(&intel_dp->psr.lock); - - if (!intel_dp->psr.dc3co_exitline) - goto unlock; - - if (!intel_dp->psr.psr2_enabled || !intel_dp->psr.active) - goto unlock; + if (!intel_dp->psr.dc3co_exitline || !intel_dp->psr.psr2_enabled || + !intel_dp->psr.active) + return; /* * At every frontbuffer flush flip event modified delay of delayed work, @@ -2086,14 +2103,11 @@ tgl_dc3co_flush(struct intel_dp *intel_dp, unsigned int frontbuffer_bits, */ if (!(frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(intel_dp->psr.pipe))) - goto unlock; + return; tgl_psr2_enable_dc3co(intel_dp); mod_delayed_work(system_wq, &intel_dp->psr.dc3co_work, intel_dp->psr.dc3co_exit_delay); - -unlock: - mutex_unlock(&intel_dp->psr.lock); } /** @@ -2118,11 +2132,6 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, unsigned int pipe_frontbuffer_bits = frontbuffer_bits; struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - if (origin == ORIGIN_FLIP) { - tgl_dc3co_flush(intel_dp, frontbuffer_bits, origin); - continue; - } - mutex_lock(&intel_dp->psr.lock); if (!intel_dp->psr.enabled) { mutex_unlock(&intel_dp->psr.lock); @@ -2143,6 +2152,14 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, continue; } + if (origin == ORIGIN_FLIP || + (origin == ORIGIN_CURSOR_UPDATE && + !intel_dp->psr.psr2_sel_fetch_enabled)) { + tgl_dc3co_flush_locked(intel_dp, frontbuffer_bits, origin); + mutex_unlock(&intel_dp->psr.lock); + continue; + } + /* By definition flush = invalidate + flush */ if (pipe_frontbuffer_bits) psr_force_hw_tracking_exit(intel_dp); @@ -2186,23 +2203,12 @@ void intel_psr_init(struct intel_dp *intel_dp) intel_dp->psr.source_support = true; - if (IS_HASWELL(dev_priv)) - /* - * HSW don't have PSR registers on the same space as transcoder - * so set this to a value that when subtract to the register - * in transcoder space results in the right offset for HSW - */ - dev_priv->hsw_psr_mmio_adjust = _SRD_CTL_EDP - _HSW_EDP_PSR_BASE; - if (dev_priv->params.enable_psr == -1) - if (DISPLAY_VER(dev_priv) < 9 || !dev_priv->vbt.psr.enable) + if (!dev_priv->vbt.psr.enable) dev_priv->params.enable_psr = 0; /* Set link_standby x link_off defaults */ - if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) - /* HSW and BDW require workarounds that we don't implement. */ - intel_dp->psr.link_standby = false; - else if (DISPLAY_VER(dev_priv) < 12) + if (DISPLAY_VER(dev_priv) < 12) /* For new platforms up to TGL let's respect VBT back again */ intel_dp->psr.link_standby = dev_priv->vbt.psr.full_link; diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h index 641521b101c8..facffbacd357 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.h +++ b/drivers/gpu/drm/i915/display/intel_psr.h @@ -20,14 +20,10 @@ struct intel_plane; struct intel_encoder; void intel_psr_init_dpcd(struct intel_dp *intel_dp); -void intel_psr_enable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); +void intel_psr_pre_plane_update(const struct intel_atomic_state *state); +void intel_psr_post_plane_update(const struct intel_atomic_state *state); void intel_psr_disable(struct intel_dp *intel_dp, const struct intel_crtc_state *old_crtc_state); -void intel_psr_update(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value); void intel_psr_invalidate(struct drm_i915_private *dev_priv, unsigned frontbuffer_bits, @@ -37,7 +33,8 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, enum fb_op_origin origin); void intel_psr_init(struct intel_dp *intel_dp); void intel_psr_compute_config(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state); + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state); void intel_psr_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config); void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir); @@ -51,6 +48,8 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state, int color_plane); +void intel_psr2_disable_plane_sel_fetch(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state); void intel_psr_pause(struct intel_dp *intel_dp); void intel_psr_resume(struct intel_dp *intel_dp); diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 6cb27599ea03..2dc6c3742ba2 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -1335,6 +1335,13 @@ static int intel_sdvo_compute_config(struct intel_encoder *encoder, adjusted_mode); pipe_config->sdvo_tv_clock = true; } else if (IS_LVDS(intel_sdvo_connector)) { + int ret; + + ret = intel_panel_compute_config(&intel_sdvo_connector->base, + adjusted_mode); + if (ret) + return ret; + if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, intel_sdvo_connector->base.panel.fixed_mode)) return -EINVAL; @@ -1873,7 +1880,6 @@ intel_sdvo_mode_valid(struct drm_connector *connector, if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; - if (clock > max_dotclk) return MODE_CLOCK_HIGH; @@ -1890,14 +1896,11 @@ intel_sdvo_mode_valid(struct drm_connector *connector, return MODE_CLOCK_HIGH; if (IS_LVDS(intel_sdvo_connector)) { - const struct drm_display_mode *fixed_mode = - intel_sdvo_connector->base.panel.fixed_mode; - - if (mode->hdisplay > fixed_mode->hdisplay) - return MODE_PANEL; + enum drm_mode_status status; - if (mode->vdisplay > fixed_mode->vdisplay) - return MODE_PANEL; + status = intel_panel_mode_valid(&intel_sdvo_connector->base, mode); + if (status != MODE_OK) + return status; } return MODE_OK; diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c b/drivers/gpu/drm/i915/display/intel_snps_phy.c index 18b52b64af95..b18f08c851dc 100644 --- a/drivers/gpu/drm/i915/display/intel_snps_phy.c +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c @@ -5,6 +5,8 @@ #include <linux/util_macros.h> +#include "intel_ddi.h" +#include "intel_ddi_buf_trans.h" #include "intel_de.h" #include "intel_display_types.h" #include "intel_snps_phy.h" @@ -50,58 +52,28 @@ void intel_snps_phy_update_psr_power_state(struct drm_i915_private *dev_priv, SNPS_PHY_TX_REQ_LN_DIS_PWR_STATE_PSR, val); } -static const u32 dg2_ddi_translations[] = { - /* VS 0, pre-emph 0 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 26), - - /* VS 0, pre-emph 1 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 33) | - REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, 6), - - /* VS 0, pre-emph 2 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 38) | - REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, 12), - - /* VS 0, pre-emph 3 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 43) | - REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, 19), - - /* VS 1, pre-emph 0 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 39), - - /* VS 1, pre-emph 1 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 44) | - REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, 8), - - /* VS 1, pre-emph 2 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 47) | - REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, 15), - - /* VS 2, pre-emph 0 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 52), - - /* VS 2, pre-emph 1 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 51) | - REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, 10), - - /* VS 3, pre-emph 0 */ - REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, 62), -}; - -void intel_snps_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - u32 level) +void intel_snps_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + const struct intel_ddi_buf_trans *trans; enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + int level = intel_ddi_level(encoder, crtc_state, 0); int n_entries, ln; - n_entries = ARRAY_SIZE(dg2_ddi_translations); - if (level >= n_entries) - level = n_entries - 1; + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) + return; + + for (ln = 0; ln < 4; ln++) { + u32 val = 0; + + val |= REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, trans->entries[level].snps.snps_vswing); + val |= REG_FIELD_PREP(SNPS_PHY_TX_EQ_PRE, trans->entries[level].snps.snps_pre_cursor); + val |= REG_FIELD_PREP(SNPS_PHY_TX_EQ_POST, trans->entries[level].snps.snps_post_cursor); - for (ln = 0; ln < 4; ln++) - intel_de_write(dev_priv, SNPS_PHY_TX_EQ(ln, phy), - dg2_ddi_translations[level]); + intel_de_write(dev_priv, SNPS_PHY_TX_EQ(ln, phy), val); + } } /* @@ -198,11 +170,81 @@ static const struct intel_mpllb_state dg2_dp_hbr3_100 = { REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_DEN, 1), }; -static const struct intel_mpllb_state *dg2_dp_100_tables[] = { +static const struct intel_mpllb_state dg2_dp_uhbr10_100 = { + .clock = 1000000, + .ref_control = + REG_FIELD_PREP(SNPS_PHY_REF_CONTROL_REF_RANGE, 3), + .mpllb_cp = + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT, 4) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP, 21) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT_GS, 65) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP_GS, 127), + .mpllb_div = + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV5_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_MULTIPLIER, 8) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_PMIX_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_WORD_DIV2_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DP2_MODE, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_V2I, 2), + .mpllb_div2 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_REF_CLK_DIV, 2) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_MULTIPLIER, 368), + .mpllb_fracn1 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_CGG_UPDATE_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_DEN, 1), + + /* + * SSC will be enabled, DP UHBR has a minimum SSC requirement. + */ + .mpllb_sscen = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_PEAK, 58982), + .mpllb_sscstep = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_STEPSIZE, 76101), +}; + +static const struct intel_mpllb_state dg2_dp_uhbr13_100 = { + .clock = 1350000, + .ref_control = + REG_FIELD_PREP(SNPS_PHY_REF_CONTROL_REF_RANGE, 3), + .mpllb_cp = + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT, 5) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP, 45) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT_GS, 65) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP_GS, 127), + .mpllb_div = + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV5_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_MULTIPLIER, 8) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_PMIX_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_WORD_DIV2_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DP2_MODE, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_V2I, 3), + .mpllb_div2 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_REF_CLK_DIV, 2) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_MULTIPLIER, 508), + .mpllb_fracn1 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_CGG_UPDATE_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_DEN, 1), + + /* + * SSC will be enabled, DP UHBR has a minimum SSC requirement. + */ + .mpllb_sscen = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_PEAK, 79626), + .mpllb_sscstep = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_STEPSIZE, 102737), +}; + +static const struct intel_mpllb_state * const dg2_dp_100_tables[] = { &dg2_dp_rbr_100, &dg2_dp_hbr1_100, &dg2_dp_hbr2_100, &dg2_dp_hbr3_100, + &dg2_dp_uhbr10_100, + &dg2_dp_uhbr13_100, NULL, }; @@ -311,11 +353,88 @@ static const struct intel_mpllb_state dg2_dp_hbr3_38_4 = { REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_QUOT, 61440), }; -static const struct intel_mpllb_state *dg2_dp_38_4_tables[] = { +static const struct intel_mpllb_state dg2_dp_uhbr10_38_4 = { + .clock = 1000000, + .ref_control = + REG_FIELD_PREP(SNPS_PHY_REF_CONTROL_REF_RANGE, 1), + .mpllb_cp = + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT, 5) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP, 26) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT_GS, 65) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP_GS, 127), + .mpllb_div = + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV5_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_MULTIPLIER, 8) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_PMIX_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_WORD_DIV2_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DP2_MODE, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_V2I, 2), + .mpllb_div2 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_REF_CLK_DIV, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_MULTIPLIER, 488), + .mpllb_fracn1 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_CGG_UPDATE_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_DEN, 3), + .mpllb_fracn2 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_REM, 2) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_QUOT, 27306), + + /* + * SSC will be enabled, DP UHBR has a minimum SSC requirement. + */ + .mpllb_sscen = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_PEAK, 76800), + .mpllb_sscstep = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_STEPSIZE, 129024), +}; + +static const struct intel_mpllb_state dg2_dp_uhbr13_38_4 = { + .clock = 1350000, + .ref_control = + REG_FIELD_PREP(SNPS_PHY_REF_CONTROL_REF_RANGE, 1), + .mpllb_cp = + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT, 6) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP, 56) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT_GS, 65) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP_GS, 127), + .mpllb_div = + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV5_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_CLK_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV_MULTIPLIER, 8) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_PMIX_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_WORD_DIV2_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_DP2_MODE, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_V2I, 3), + .mpllb_div2 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_REF_CLK_DIV, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_MULTIPLIER, 670), + .mpllb_fracn1 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_CGG_UPDATE_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_DEN, 1), + .mpllb_fracn2 = + REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_QUOT, 36864), + + /* + * SSC will be enabled, DP UHBR has a minimum SSC requirement. + */ + .mpllb_sscen = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_EN, 1) | + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_PEAK, 103680), + .mpllb_sscstep = + REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_STEPSIZE, 174182), +}; + +static const struct intel_mpllb_state * const dg2_dp_38_4_tables[] = { &dg2_dp_rbr_38_4, &dg2_dp_hbr1_38_4, &dg2_dp_hbr2_38_4, &dg2_dp_hbr3_38_4, + &dg2_dp_uhbr10_38_4, + &dg2_dp_uhbr13_38_4, NULL, }; @@ -448,7 +567,7 @@ static const struct intel_mpllb_state dg2_edp_r432 = { REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_STEPSIZE, 65752), }; -static const struct intel_mpllb_state *dg2_edp_tables[] = { +static const struct intel_mpllb_state * const dg2_edp_tables[] = { &dg2_dp_rbr_100, &dg2_edp_r216, &dg2_edp_r243, @@ -611,7 +730,7 @@ static const struct intel_mpllb_state dg2_hdmi_594 = { REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_UP_SPREAD, 1), }; -static const struct intel_mpllb_state *dg2_hdmi_tables[] = { +static const struct intel_mpllb_state * const dg2_hdmi_tables[] = { &dg2_hdmi_25_175, &dg2_hdmi_27_0, &dg2_hdmi_74_25, @@ -620,7 +739,7 @@ static const struct intel_mpllb_state *dg2_hdmi_tables[] = { NULL, }; -static const struct intel_mpllb_state ** +static const struct intel_mpllb_state * const * intel_mpllb_tables_get(struct intel_crtc_state *crtc_state, struct intel_encoder *encoder) { @@ -654,7 +773,7 @@ intel_mpllb_tables_get(struct intel_crtc_state *crtc_state, int intel_mpllb_calc_state(struct intel_crtc_state *crtc_state, struct intel_encoder *encoder) { - const struct intel_mpllb_state **tables; + const struct intel_mpllb_state * const *tables; int i; if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { @@ -850,7 +969,7 @@ void intel_mpllb_readout_hw_state(struct intel_encoder *encoder, int intel_snps_phy_check_hdmi_link_rate(int clock) { - const struct intel_mpllb_state **tables = dg2_hdmi_tables; + const struct intel_mpllb_state * const *tables = dg2_hdmi_tables; int i; for (i = 0; tables[i]; i++) { diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.h b/drivers/gpu/drm/i915/display/intel_snps_phy.h index 6261ff88ef5c..11dcd6deb070 100644 --- a/drivers/gpu/drm/i915/display/intel_snps_phy.h +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.h @@ -29,7 +29,7 @@ int intel_mpllb_calc_port_clock(struct intel_encoder *encoder, const struct intel_mpllb_state *pll_state); int intel_snps_phy_check_hdmi_link_rate(int clock); -void intel_snps_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - u32 level); +void intel_snps_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); #endif /* __INTEL_SNPS_PHY_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 3ffece568ed9..40faa18947c9 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -12,44 +12,81 @@ static const char *tc_port_mode_name(enum tc_port_mode mode) { static const char * const names[] = { + [TC_PORT_DISCONNECTED] = "disconnected", [TC_PORT_TBT_ALT] = "tbt-alt", [TC_PORT_DP_ALT] = "dp-alt", [TC_PORT_LEGACY] = "legacy", }; if (WARN_ON(mode >= ARRAY_SIZE(names))) - mode = TC_PORT_TBT_ALT; + mode = TC_PORT_DISCONNECTED; return names[mode]; } +static bool intel_tc_port_in_mode(struct intel_digital_port *dig_port, + enum tc_port_mode mode) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(i915, dig_port->base.port); + + return intel_phy_is_tc(i915, phy) && dig_port->tc_mode == mode; +} + +bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port) +{ + return intel_tc_port_in_mode(dig_port, TC_PORT_TBT_ALT); +} + +bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port) +{ + return intel_tc_port_in_mode(dig_port, TC_PORT_DP_ALT); +} + +bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port) +{ + return intel_tc_port_in_mode(dig_port, TC_PORT_LEGACY); +} + +bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + + return (DISPLAY_VER(i915) == 11 && dig_port->tc_legacy_port) || + IS_ALDERLAKE_P(i915); +} + static enum intel_display_power_domain -tc_cold_get_power_domain(struct intel_digital_port *dig_port) +tc_cold_get_power_domain(struct intel_digital_port *dig_port, enum tc_port_mode mode) { - if (intel_tc_cold_requires_aux_pw(dig_port)) - return intel_legacy_aux_to_power_domain(dig_port->aux_ch); - else + if (mode == TC_PORT_TBT_ALT || !intel_tc_cold_requires_aux_pw(dig_port)) return POWER_DOMAIN_TC_COLD_OFF; + + return intel_legacy_aux_to_power_domain(dig_port->aux_ch); } static intel_wakeref_t -tc_cold_block(struct intel_digital_port *dig_port) +tc_cold_block_in_mode(struct intel_digital_port *dig_port, enum tc_port_mode mode, + enum intel_display_power_domain *domain) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - enum intel_display_power_domain domain; - if (DISPLAY_VER(i915) == 11 && !dig_port->tc_legacy_port) - return 0; + *domain = tc_cold_get_power_domain(dig_port, mode); - domain = tc_cold_get_power_domain(dig_port); - return intel_display_power_get(i915, domain); + return intel_display_power_get(i915, *domain); +} + +static intel_wakeref_t +tc_cold_block(struct intel_digital_port *dig_port, enum intel_display_power_domain *domain) +{ + return tc_cold_block_in_mode(dig_port, dig_port->tc_mode, domain); } static void -tc_cold_unblock(struct intel_digital_port *dig_port, intel_wakeref_t wakeref) +tc_cold_unblock(struct intel_digital_port *dig_port, enum intel_display_power_domain domain, + intel_wakeref_t wakeref) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - enum intel_display_power_domain domain; /* * wakeref == -1, means some error happened saving save_depot_stack but @@ -59,8 +96,7 @@ tc_cold_unblock(struct intel_digital_port *dig_port, intel_wakeref_t wakeref) if (wakeref == 0) return; - domain = tc_cold_get_power_domain(dig_port); - intel_display_power_put_async(i915, domain, wakeref); + intel_display_power_put(i915, domain, wakeref); } static void @@ -69,11 +105,9 @@ assert_tc_cold_blocked(struct intel_digital_port *dig_port) struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); bool enabled; - if (DISPLAY_VER(i915) == 11 && !dig_port->tc_legacy_port) - return; - enabled = intel_display_power_is_enabled(i915, - tc_cold_get_power_domain(dig_port)); + tc_cold_get_power_domain(dig_port, + dig_port->tc_mode)); drm_WARN_ON(&i915->drm, !enabled); } @@ -244,6 +278,11 @@ static u32 adl_tc_port_live_status_mask(struct intel_digital_port *dig_port) struct intel_uncore *uncore = &i915->uncore; u32 val, mask = 0; + /* + * On ADL-P HW/FW will wake from TCCOLD to complete the read access of + * registers in IOM. Note that this doesn't apply to PHY and FIA + * registers. + */ val = intel_uncore_read(uncore, TCSS_DDI_STATUS(tc_port)); if (val & TCSS_DDI_STATUS_HPD_LIVE_STATUS_ALT) mask |= BIT(TC_PORT_DP_ALT); @@ -270,6 +309,14 @@ static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port) return icl_tc_port_live_status_mask(dig_port); } +/* + * Return the PHY status complete flag indicating that display can acquire the + * PHY ownership. The IOM firmware sets this flag when a DP-alt or legacy sink + * is connected and it's ready to switch the ownership to display. The flag + * will be left cleared when a TBT-alt sink is connected, where the PHY is + * owned by the TBT subsystem and so switching the ownership to display is not + * required. + */ static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); @@ -288,6 +335,13 @@ static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port) return val & DP_PHY_MODE_STATUS_COMPLETED(dig_port->tc_phy_fia_idx); } +/* + * Return the PHY status complete flag indicating that display can acquire the + * PHY ownership. The IOM firmware sets this flag when it's ready to switch + * the ownership to display, regardless of what sink is connected (TBT-alt, + * DP-alt, legacy or nothing). For TBT-alt sinks the PHY is owned by the TBT + * subsystem and so switching the ownership to display is not required. + */ static bool adl_tc_phy_status_complete(struct intel_digital_port *dig_port) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); @@ -339,11 +393,6 @@ static bool icl_tc_phy_take_ownership(struct intel_digital_port *dig_port, intel_uncore_write(uncore, PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia), val); - if (!take && wait_for(!tc_phy_status_complete(dig_port), 10)) - drm_dbg_kms(&i915->drm, - "Port %s: PHY complete clear timed out\n", - dig_port->tc_port_name); - return true; } @@ -429,6 +478,7 @@ static void icl_tc_phy_connect(struct intel_digital_port *dig_port, int required_lanes) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + u32 live_status_mask; int max_lanes; if (!tc_phy_status_complete(dig_port)) { @@ -437,6 +487,13 @@ static void icl_tc_phy_connect(struct intel_digital_port *dig_port, goto out_set_tbt_alt_mode; } + live_status_mask = tc_port_live_status_mask(dig_port); + if (!(live_status_mask & (BIT(TC_PORT_DP_ALT) | BIT(TC_PORT_LEGACY)))) { + drm_dbg_kms(&i915->drm, "Port %s: PHY ownership not required (live status %02x)\n", + dig_port->tc_port_name, live_status_mask); + goto out_set_tbt_alt_mode; + } + if (!tc_phy_take_ownership(dig_port, true) && !drm_WARN_ON(&i915->drm, dig_port->tc_legacy_port)) goto out_set_tbt_alt_mode; @@ -485,14 +542,13 @@ static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port) { switch (dig_port->tc_mode) { case TC_PORT_LEGACY: - /* Nothing to do, we never disconnect from legacy mode */ - break; case TC_PORT_DP_ALT: tc_phy_take_ownership(dig_port, false); - dig_port->tc_mode = TC_PORT_TBT_ALT; - break; + fallthrough; case TC_PORT_TBT_ALT: - /* Nothing to do, we stay in TBT-alt mode */ + dig_port->tc_mode = TC_PORT_DISCONNECTED; + fallthrough; + case TC_PORT_DISCONNECTED: break; default: MISSING_CASE(dig_port->tc_mode); @@ -509,6 +565,10 @@ static bool icl_tc_phy_is_connected(struct intel_digital_port *dig_port) return dig_port->tc_mode == TC_PORT_TBT_ALT; } + /* On ADL-P the PHY complete flag is set in TBT mode as well. */ + if (IS_ALDERLAKE_P(i915) && dig_port->tc_mode == TC_PORT_TBT_ALT) + return true; + if (!tc_phy_is_owned(dig_port)) { drm_dbg_kms(&i915->drm, "Port %s: PHY not owned\n", dig_port->tc_port_name); @@ -550,9 +610,7 @@ intel_tc_port_get_target_mode(struct intel_digital_port *dig_port) if (live_status_mask) return fls(live_status_mask) - 1; - return tc_phy_status_complete(dig_port) && - dig_port->tc_legacy_port ? TC_PORT_LEGACY : - TC_PORT_TBT_ALT; + return TC_PORT_TBT_ALT; } static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port, @@ -581,6 +639,43 @@ static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port, tc_port_mode_name(dig_port->tc_mode)); } +static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port) +{ + return intel_tc_port_get_target_mode(dig_port) != dig_port->tc_mode; +} + +static void intel_tc_port_update_mode(struct intel_digital_port *dig_port, + int required_lanes, bool force_disconnect) +{ + enum intel_display_power_domain domain; + intel_wakeref_t wref; + bool needs_reset = force_disconnect; + + if (!needs_reset) { + /* Get power domain required to check the hotplug live status. */ + wref = tc_cold_block(dig_port, &domain); + needs_reset = intel_tc_port_needs_reset(dig_port); + tc_cold_unblock(dig_port, domain, wref); + } + + if (!needs_reset) + return; + + /* Get power domain required for resetting the mode. */ + wref = tc_cold_block_in_mode(dig_port, TC_PORT_DISCONNECTED, &domain); + + intel_tc_port_reset_mode(dig_port, required_lanes, force_disconnect); + + /* Get power domain matching the new mode after reset. */ + tc_cold_unblock(dig_port, dig_port->tc_lock_power_domain, + fetch_and_zero(&dig_port->tc_lock_wakeref)); + if (dig_port->tc_mode != TC_PORT_DISCONNECTED) + dig_port->tc_lock_wakeref = tc_cold_block(dig_port, + &dig_port->tc_lock_power_domain); + + tc_cold_unblock(dig_port, domain, wref); +} + static void intel_tc_port_link_init_refcount(struct intel_digital_port *dig_port, int refcount) @@ -595,45 +690,42 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); struct intel_encoder *encoder = &dig_port->base; - intel_wakeref_t tc_cold_wref; int active_links = 0; mutex_lock(&dig_port->tc_lock); - tc_cold_wref = tc_cold_block(dig_port); - dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port); if (dig_port->dp.is_mst) active_links = intel_dp_mst_encoder_active_links(dig_port); else if (encoder->base.crtc) active_links = to_intel_crtc(encoder->base.crtc)->active; + drm_WARN_ON(&i915->drm, dig_port->tc_mode != TC_PORT_DISCONNECTED); + drm_WARN_ON(&i915->drm, dig_port->tc_lock_wakeref); if (active_links) { + enum intel_display_power_domain domain; + intel_wakeref_t tc_cold_wref = tc_cold_block(dig_port, &domain); + + dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port); + if (!icl_tc_phy_is_connected(dig_port)) drm_dbg_kms(&i915->drm, "Port %s: PHY disconnected with %d active link(s)\n", dig_port->tc_port_name, active_links); intel_tc_port_link_init_refcount(dig_port, active_links); - goto out; - } + dig_port->tc_lock_wakeref = tc_cold_block(dig_port, + &dig_port->tc_lock_power_domain); - if (dig_port->tc_legacy_port) - icl_tc_phy_connect(dig_port, 1); + tc_cold_unblock(dig_port, domain, tc_cold_wref); + } -out: drm_dbg_kms(&i915->drm, "Port %s: sanitize mode (%s)\n", dig_port->tc_port_name, tc_port_mode_name(dig_port->tc_mode)); - tc_cold_unblock(dig_port, tc_cold_wref); mutex_unlock(&dig_port->tc_lock); } -static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port) -{ - return intel_tc_port_get_target_mode(dig_port) != dig_port->tc_mode; -} - /* * The type-C ports are different because even when they are connected, they may * not be available/usable by the graphics driver: see the comment on @@ -648,78 +740,79 @@ bool intel_tc_port_connected(struct intel_encoder *encoder) { struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_connected; - intel_wakeref_t tc_cold_wref; intel_tc_port_lock(dig_port); - tc_cold_wref = tc_cold_block(dig_port); is_connected = tc_port_live_status_mask(dig_port) & BIT(dig_port->tc_mode); - tc_cold_unblock(dig_port, tc_cold_wref); intel_tc_port_unlock(dig_port); return is_connected; } static void __intel_tc_port_lock(struct intel_digital_port *dig_port, - int required_lanes, bool force_disconnect) + int required_lanes) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - intel_wakeref_t wakeref; - - wakeref = intel_display_power_get(i915, POWER_DOMAIN_DISPLAY_CORE); mutex_lock(&dig_port->tc_lock); - if (!dig_port->tc_link_refcount) { - intel_wakeref_t tc_cold_wref; - - tc_cold_wref = tc_cold_block(dig_port); + cancel_delayed_work(&dig_port->tc_disconnect_phy_work); - if (force_disconnect || intel_tc_port_needs_reset(dig_port)) - intel_tc_port_reset_mode(dig_port, required_lanes, - force_disconnect); - - tc_cold_unblock(dig_port, tc_cold_wref); - } + if (!dig_port->tc_link_refcount) + intel_tc_port_update_mode(dig_port, required_lanes, + false); - drm_WARN_ON(&i915->drm, dig_port->tc_lock_wakeref); - dig_port->tc_lock_wakeref = wakeref; + drm_WARN_ON(&i915->drm, dig_port->tc_mode == TC_PORT_DISCONNECTED); + drm_WARN_ON(&i915->drm, dig_port->tc_mode != TC_PORT_TBT_ALT && + !tc_phy_is_owned(dig_port)); } void intel_tc_port_lock(struct intel_digital_port *dig_port) { - __intel_tc_port_lock(dig_port, 1, false); + __intel_tc_port_lock(dig_port, 1); } -void intel_tc_port_unlock(struct intel_digital_port *dig_port) +/** + * intel_tc_port_disconnect_phy_work: disconnect TypeC PHY from display port + * @dig_port: digital port + * + * Disconnect the given digital port from its TypeC PHY (handing back the + * control of the PHY to the TypeC subsystem). This will happen in a delayed + * manner after each aux transactions and modeset disables. + */ +static void intel_tc_port_disconnect_phy_work(struct work_struct *work) { - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - intel_wakeref_t wakeref = fetch_and_zero(&dig_port->tc_lock_wakeref); + struct intel_digital_port *dig_port = + container_of(work, struct intel_digital_port, tc_disconnect_phy_work.work); - mutex_unlock(&dig_port->tc_lock); + mutex_lock(&dig_port->tc_lock); + + if (!dig_port->tc_link_refcount) + intel_tc_port_update_mode(dig_port, 1, true); - intel_display_power_put_async(i915, POWER_DOMAIN_DISPLAY_CORE, - wakeref); + mutex_unlock(&dig_port->tc_lock); } /** - * intel_tc_port_disconnect_phy: disconnect TypeC PHY from display port + * intel_tc_port_flush_work: flush the work disconnecting the PHY * @dig_port: digital port * - * Disconnect the given digital port from its TypeC PHY (handing back the - * control of the PHY to the TypeC subsystem). The only purpose of this - * function is to force the disconnect even with a TypeC display output still - * plugged to the TypeC connector, which is required by the TypeC firmwares - * during system suspend and shutdown. Otherwise - during the unplug event - * handling - the PHY ownership is released automatically by - * intel_tc_port_reset_mode(), when calling this function is not required. + * Flush the delayed work disconnecting an idle PHY. */ -void intel_tc_port_disconnect_phy(struct intel_digital_port *dig_port) +void intel_tc_port_flush_work(struct intel_digital_port *dig_port) { - __intel_tc_port_lock(dig_port, 1, true); - intel_tc_port_unlock(dig_port); + flush_delayed_work(&dig_port->tc_disconnect_phy_work); +} + +void intel_tc_port_unlock(struct intel_digital_port *dig_port) +{ + if (!dig_port->tc_link_refcount && dig_port->tc_mode != TC_PORT_DISCONNECTED) + queue_delayed_work(system_unbound_wq, &dig_port->tc_disconnect_phy_work, + msecs_to_jiffies(1000)); + + mutex_unlock(&dig_port->tc_lock); } bool intel_tc_port_ref_held(struct intel_digital_port *dig_port) @@ -731,21 +824,30 @@ bool intel_tc_port_ref_held(struct intel_digital_port *dig_port) void intel_tc_port_get_link(struct intel_digital_port *dig_port, int required_lanes) { - __intel_tc_port_lock(dig_port, required_lanes, false); + __intel_tc_port_lock(dig_port, required_lanes); dig_port->tc_link_refcount++; intel_tc_port_unlock(dig_port); } void intel_tc_port_put_link(struct intel_digital_port *dig_port) { - mutex_lock(&dig_port->tc_lock); - dig_port->tc_link_refcount--; - mutex_unlock(&dig_port->tc_lock); + intel_tc_port_lock(dig_port); + --dig_port->tc_link_refcount; + intel_tc_port_unlock(dig_port); + + /* + * Disconnecting the PHY after the PHY's PLL gets disabled may + * hang the system on ADL-P, so disconnect the PHY here synchronously. + * TODO: remove this once the root cause of the ordering requirement + * is found/fixed. + */ + intel_tc_port_flush_work(dig_port); } static bool tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig_port) { + enum intel_display_power_domain domain; intel_wakeref_t wakeref; u32 val; @@ -753,9 +855,9 @@ tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig return false; mutex_lock(&dig_port->tc_lock); - wakeref = tc_cold_block(dig_port); + wakeref = tc_cold_block(dig_port, &domain); val = intel_uncore_read(&i915->uncore, PORT_TX_DFLEXDPSP(FIA1)); - tc_cold_unblock(dig_port, wakeref); + tc_cold_unblock(dig_port, domain, wakeref); mutex_unlock(&dig_port->tc_lock); drm_WARN_ON(&i915->drm, val == 0xffffffff); @@ -795,15 +897,9 @@ void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy) "%c/TC#%d", port_name(port), tc_port + 1); mutex_init(&dig_port->tc_lock); + INIT_DELAYED_WORK(&dig_port->tc_disconnect_phy_work, intel_tc_port_disconnect_phy_work); dig_port->tc_legacy_port = is_legacy; + dig_port->tc_mode = TC_PORT_DISCONNECTED; dig_port->tc_link_refcount = 0; tc_port_load_fia_params(i915, dig_port); } - -bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port) -{ - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - - return (DISPLAY_VER(i915) == 11 && dig_port->tc_legacy_port) || - IS_ALDERLAKE_P(i915); -} diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h index 0c881f645e27..6b47b29f551c 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.h +++ b/drivers/gpu/drm/i915/display/intel_tc.h @@ -12,8 +12,11 @@ struct intel_digital_port; struct intel_encoder; +bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port); +bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port); +bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port); + bool intel_tc_port_connected(struct intel_encoder *encoder); -void intel_tc_port_disconnect_phy(struct intel_digital_port *dig_port); u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port); u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port); @@ -24,6 +27,7 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, void intel_tc_port_sanitize(struct intel_digital_port *dig_port); void intel_tc_port_lock(struct intel_digital_port *dig_port); void intel_tc_port_unlock(struct intel_digital_port *dig_port); +void intel_tc_port_flush_work(struct intel_digital_port *dig_port); void intel_tc_port_get_link(struct intel_digital_port *dig_port, int required_lanes); void intel_tc_port_put_link(struct intel_digital_port *dig_port); diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index d02f09f7e750..88a398df9621 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -1529,7 +1529,7 @@ static void intel_tv_pre_enable(struct intel_atomic_state *state, intel_de_write(dev_priv, TV_CLR_LEVEL, ((video_levels->black << TV_BLACK_LEVEL_SHIFT) | (video_levels->blank << TV_BLANK_LEVEL_SHIFT))); - assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder); + assert_transcoder_disabled(dev_priv, pipe_config->cpu_transcoder); /* Filter ctl must be set before TV_WIN_SIZE */ tv_filter_ctl = TV_AUTO_SCALE; diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 330077c2e588..a2108a8f544d 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -814,6 +814,11 @@ struct lfp_brightness_level { u16 reserved; } __packed; +#define EXP_BDB_LFP_BL_DATA_SIZE_REV_191 \ + offsetof(struct bdb_lfp_backlight_data, brightness_level) +#define EXP_BDB_LFP_BL_DATA_SIZE_REV_234 \ + offsetof(struct bdb_lfp_backlight_data, brightness_precision_bits) + struct bdb_lfp_backlight_data { u8 entry_size; struct lfp_backlight_data_entry data[16]; diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index df3286aa6999..2275f99ce9d7 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -357,11 +357,9 @@ bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state) return false; } -static bool is_pipe_dsc(const struct intel_crtc_state *crtc_state) +static bool is_pipe_dsc(struct intel_crtc *crtc, enum transcoder cpu_transcoder) { - const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - const struct drm_i915_private *i915 = to_i915(crtc->base.dev); - enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + struct drm_i915_private *i915 = to_i915(crtc->base.dev); if (DISPLAY_VER(i915) >= 12) return true; @@ -547,9 +545,8 @@ int intel_dsc_compute_params(struct intel_encoder *encoder, } enum intel_display_power_domain -intel_dsc_power_domain(const struct intel_crtc_state *crtc_state) +intel_dsc_power_domain(struct intel_crtc *crtc, enum transcoder cpu_transcoder) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *i915 = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; @@ -566,7 +563,7 @@ intel_dsc_power_domain(const struct intel_crtc_state *crtc_state) */ if (DISPLAY_VER(i915) == 12 && !IS_ROCKETLAKE(i915) && pipe == PIPE_A) return POWER_DOMAIN_TRANSCODER_VDSC_PW2; - else if (is_pipe_dsc(crtc_state)) + else if (is_pipe_dsc(crtc, cpu_transcoder)) return POWER_DOMAIN_PIPE(pipe); else return POWER_DOMAIN_TRANSCODER_VDSC_PW2; @@ -577,6 +574,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; enum pipe pipe = crtc->pipe; u32 pps_val = 0; u32 rc_buf_thresh_dword[4]; @@ -601,7 +599,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) if (vdsc_cfg->vbr_enable) pps_val |= DSC_VBR_ENABLE; drm_info(&dev_priv->drm, "PPS0 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_0, pps_val); /* @@ -625,7 +623,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val = 0; pps_val |= DSC_BPP(vdsc_cfg->bits_per_pixel); drm_info(&dev_priv->drm, "PPS1 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_1, pps_val); /* @@ -650,7 +648,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_PIC_HEIGHT(vdsc_cfg->pic_height) | DSC_PIC_WIDTH(vdsc_cfg->pic_width / num_vdsc_instances); drm_info(&dev_priv->drm, "PPS2 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_2, pps_val); /* @@ -675,7 +673,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_SLICE_HEIGHT(vdsc_cfg->slice_height) | DSC_SLICE_WIDTH(vdsc_cfg->slice_width); drm_info(&dev_priv->drm, "PPS3 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_3, pps_val); /* @@ -700,7 +698,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_INITIAL_XMIT_DELAY(vdsc_cfg->initial_xmit_delay) | DSC_INITIAL_DEC_DELAY(vdsc_cfg->initial_dec_delay); drm_info(&dev_priv->drm, "PPS4 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_4, pps_val); /* @@ -725,7 +723,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_SCALE_INC_INT(vdsc_cfg->scale_increment_interval) | DSC_SCALE_DEC_INT(vdsc_cfg->scale_decrement_interval); drm_info(&dev_priv->drm, "PPS5 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_5, pps_val); /* @@ -752,7 +750,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) DSC_FLATNESS_MIN_QP(vdsc_cfg->flatness_min_qp) | DSC_FLATNESS_MAX_QP(vdsc_cfg->flatness_max_qp); drm_info(&dev_priv->drm, "PPS6 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_6, pps_val); /* @@ -777,7 +775,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_SLICE_BPG_OFFSET(vdsc_cfg->slice_bpg_offset) | DSC_NFL_BPG_OFFSET(vdsc_cfg->nfl_bpg_offset); drm_info(&dev_priv->drm, "PPS7 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_7, pps_val); /* @@ -802,7 +800,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_FINAL_OFFSET(vdsc_cfg->final_offset) | DSC_INITIAL_OFFSET(vdsc_cfg->initial_offset); drm_info(&dev_priv->drm, "PPS8 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_8, pps_val); /* @@ -827,7 +825,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) pps_val |= DSC_RC_MODEL_SIZE(vdsc_cfg->rc_model_size) | DSC_RC_EDGE_FACTOR(DSC_RC_EDGE_FACTOR_CONST); drm_info(&dev_priv->drm, "PPS9 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_9, pps_val); /* @@ -854,7 +852,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) DSC_RC_TARGET_OFF_HIGH(DSC_RC_TGT_OFFSET_HI_CONST) | DSC_RC_TARGET_OFF_LOW(DSC_RC_TGT_OFFSET_LO_CONST); drm_info(&dev_priv->drm, "PPS10 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_10, pps_val); /* @@ -882,7 +880,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) DSC_SLICE_ROW_PER_FRAME(vdsc_cfg->pic_height / vdsc_cfg->slice_height); drm_info(&dev_priv->drm, "PPS16 = 0x%08x\n", pps_val); - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_16, pps_val); /* @@ -911,7 +909,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) drm_info(&dev_priv->drm, " RC_BUF_THRESH%d = 0x%08x\n", i, rc_buf_thresh_dword[i / 4]); } - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_RC_BUF_THRESH_0, rc_buf_thresh_dword[0]); intel_de_write(dev_priv, DSCA_RC_BUF_THRESH_0_UDW, @@ -968,7 +966,7 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) drm_info(&dev_priv->drm, " RC_RANGE_PARAM_%d = 0x%08x\n", i, rc_range_params_dword[i / 2]); } - if (!is_pipe_dsc(crtc_state)) { + if (!is_pipe_dsc(crtc, cpu_transcoder)) { intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_0, rc_range_params_dword[0]); intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_0_UDW, @@ -1095,18 +1093,16 @@ static void intel_dsc_dp_pps_write(struct intel_encoder *encoder, sizeof(dp_dsc_pps_sdp)); } -static i915_reg_t dss_ctl1_reg(const struct intel_crtc_state *crtc_state) +static i915_reg_t dss_ctl1_reg(struct intel_crtc *crtc, enum transcoder cpu_transcoder) { - enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; - - return is_pipe_dsc(crtc_state) ? ICL_PIPE_DSS_CTL1(pipe) : DSS_CTL1; + return is_pipe_dsc(crtc, cpu_transcoder) ? + ICL_PIPE_DSS_CTL1(crtc->pipe) : DSS_CTL1; } -static i915_reg_t dss_ctl2_reg(const struct intel_crtc_state *crtc_state) +static i915_reg_t dss_ctl2_reg(struct intel_crtc *crtc, enum transcoder cpu_transcoder) { - enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; - - return is_pipe_dsc(crtc_state) ? ICL_PIPE_DSS_CTL2(pipe) : DSS_CTL2; + return is_pipe_dsc(crtc, cpu_transcoder) ? + ICL_PIPE_DSS_CTL2(crtc->pipe) : DSS_CTL2; } static struct intel_crtc * @@ -1142,7 +1138,7 @@ void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state) else dss_ctl1_val |= UNCOMPRESSED_JOINER_MASTER; - intel_de_write(dev_priv, dss_ctl1_reg(crtc_state), dss_ctl1_val); + intel_de_write(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder), dss_ctl1_val); } } @@ -1176,8 +1172,8 @@ void intel_dsc_enable(struct intel_encoder *encoder, if (!crtc_state->bigjoiner_slave) dss_ctl1_val |= MASTER_BIG_JOINER_ENABLE; } - intel_de_write(dev_priv, dss_ctl1_reg(crtc_state), dss_ctl1_val); - intel_de_write(dev_priv, dss_ctl2_reg(crtc_state), dss_ctl2_val); + intel_de_write(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder), dss_ctl1_val); + intel_de_write(dev_priv, dss_ctl2_reg(crtc, crtc_state->cpu_transcoder), dss_ctl2_val); } void intel_dsc_disable(const struct intel_crtc_state *old_crtc_state) @@ -1188,8 +1184,8 @@ void intel_dsc_disable(const struct intel_crtc_state *old_crtc_state) /* Disable only if either of them is enabled */ if (old_crtc_state->dsc.compression_enable || old_crtc_state->bigjoiner) { - intel_de_write(dev_priv, dss_ctl1_reg(old_crtc_state), 0); - intel_de_write(dev_priv, dss_ctl2_reg(old_crtc_state), 0); + intel_de_write(dev_priv, dss_ctl1_reg(crtc, old_crtc_state->cpu_transcoder), 0); + intel_de_write(dev_priv, dss_ctl2_reg(crtc, old_crtc_state->cpu_transcoder), 0); } } @@ -1199,7 +1195,7 @@ void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state) struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); u32 dss_ctl1; - dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc_state)); + dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder)); if (dss_ctl1 & UNCOMPRESSED_JOINER_MASTER) { crtc_state->bigjoiner = true; crtc_state->bigjoiner_linked_crtc = intel_dsc_get_bigjoiner_secondary(crtc); @@ -1214,9 +1210,10 @@ void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state) void intel_dsc_get_config(struct intel_crtc_state *crtc_state) { - struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; enum pipe pipe = crtc->pipe; enum intel_display_power_domain power_domain; intel_wakeref_t wakeref; @@ -1225,14 +1222,14 @@ void intel_dsc_get_config(struct intel_crtc_state *crtc_state) if (!intel_dsc_source_support(crtc_state)) return; - power_domain = intel_dsc_power_domain(crtc_state); + power_domain = intel_dsc_power_domain(crtc, cpu_transcoder); wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain); if (!wakeref) return; - dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc_state)); - dss_ctl2 = intel_de_read(dev_priv, dss_ctl2_reg(crtc_state)); + dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc, cpu_transcoder)); + dss_ctl2 = intel_de_read(dev_priv, dss_ctl2_reg(crtc, cpu_transcoder)); crtc_state->dsc.compression_enable = dss_ctl2 & LEFT_BRANCH_VDSC_ENABLE; if (!crtc_state->dsc.compression_enable) @@ -1256,7 +1253,7 @@ void intel_dsc_get_config(struct intel_crtc_state *crtc_state) /* FIXME: add more state readout as needed */ /* PPS1 */ - if (!is_pipe_dsc(crtc_state)) + if (!is_pipe_dsc(crtc, cpu_transcoder)) val = intel_de_read(dev_priv, DSCA_PICTURE_PARAMETER_SET_1); else val = intel_de_read(dev_priv, diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.h b/drivers/gpu/drm/i915/display/intel_vdsc.h index dfb1fd38deb4..0c5d80a572da 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.h +++ b/drivers/gpu/drm/i915/display/intel_vdsc.h @@ -8,8 +8,10 @@ #include <linux/types.h> -struct intel_encoder; +enum transcoder; +struct intel_crtc; struct intel_crtc_state; +struct intel_encoder; bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state); void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state); @@ -21,7 +23,7 @@ int intel_dsc_compute_params(struct intel_encoder *encoder, void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state); void intel_dsc_get_config(struct intel_crtc_state *crtc_state); enum intel_display_power_domain -intel_dsc_power_domain(const struct intel_crtc_state *crtc_state); +intel_dsc_power_domain(struct intel_crtc *crtc, enum transcoder cpu_transcoder); struct intel_crtc *intel_dsc_get_bigjoiner_secondary(const struct intel_crtc *primary_crtc); #endif /* __INTEL_VDSC_H__ */ diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 724e7b04f3b6..91f1be7174e5 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -656,6 +656,7 @@ skl_disable_plane(struct intel_plane *plane, skl_write_plane_wm(plane, crtc_state); + intel_psr2_disable_plane_sel_fetch(plane, crtc_state); intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0); intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0); @@ -993,6 +994,11 @@ static u32 skl_surf_address(const struct intel_plane_state *plane_state, u32 offset = plane_state->view.color_plane[color_plane].offset; if (intel_fb_uses_dpt(fb)) { + /* + * The DPT object contains only one vma, so the VMA's offset + * within the DPT is always 0. + */ + WARN_ON(plane_state->dpt_vma->node.start); WARN_ON(offset & 0x1fffff); return offset >> 9; } else { @@ -1096,8 +1102,7 @@ skl_program_plane(struct intel_plane *plane, (plane_state->view.color_plane[1].y << 16) | plane_state->view.color_plane[1].x); - if (!drm_atomic_crtc_needs_modeset(&crtc_state->uapi)) - intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, color_plane); + intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, color_plane); /* * Enable the scaler before the plane so that we don't diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 0ee4ff341e25..081b772bfe10 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -32,6 +32,7 @@ #include "i915_drv.h" #include "intel_atomic.h" +#include "intel_backlight.h" #include "intel_connector.h" #include "intel_crtc.h" #include "intel_de.h" @@ -270,23 +271,19 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder, struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi, base); struct intel_connector *intel_connector = intel_dsi->attached_connector; - const struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; int ret; drm_dbg_kms(&dev_priv->drm, "\n"); pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; - if (fixed_mode) { - intel_fixed_panel_mode(fixed_mode, adjusted_mode); + ret = intel_panel_compute_config(intel_connector, adjusted_mode); + if (ret) + return ret; - if (HAS_GMCH(dev_priv)) - ret = intel_gmch_panel_fitting(pipe_config, conn_state); - else - ret = intel_pch_panel_fitting(pipe_config, conn_state); - if (ret) - return ret; - } + ret = intel_panel_fitting(pipe_config, conn_state); + if (ret) + return ret; if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; @@ -883,7 +880,7 @@ static void intel_dsi_pre_enable(struct intel_atomic_state *state, intel_dsi_port_enable(encoder, pipe_config); } - intel_panel_enable_backlight(pipe_config, conn_state); + intel_backlight_enable(pipe_config, conn_state); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); } @@ -913,7 +910,7 @@ static void intel_dsi_disable(struct intel_atomic_state *state, drm_dbg_kms(&i915->drm, "\n"); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); - intel_panel_disable_backlight(old_conn_state); + intel_backlight_disable(old_conn_state); /* * According to the spec we should send SHUTDOWN before @@ -1633,25 +1630,21 @@ static const struct drm_connector_funcs intel_dsi_connector_funcs = { static void vlv_dsi_add_properties(struct intel_connector *connector) { struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + u32 allowed_scalers; - if (connector->panel.fixed_mode) { - u32 allowed_scalers; - - allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | BIT(DRM_MODE_SCALE_FULLSCREEN); - if (!HAS_GMCH(dev_priv)) - allowed_scalers |= BIT(DRM_MODE_SCALE_CENTER); + allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | BIT(DRM_MODE_SCALE_FULLSCREEN); + if (!HAS_GMCH(dev_priv)) + allowed_scalers |= BIT(DRM_MODE_SCALE_CENTER); - drm_connector_attach_scaling_mode_property(&connector->base, - allowed_scalers); + drm_connector_attach_scaling_mode_property(&connector->base, + allowed_scalers); - connector->base.state->scaling_mode = DRM_MODE_SCALE_ASPECT; + connector->base.state->scaling_mode = DRM_MODE_SCALE_ASPECT; - drm_connector_set_panel_orientation_with_quirk( - &connector->base, - intel_dsi_get_panel_orientation(connector), - connector->panel.fixed_mode->hdisplay, - connector->panel.fixed_mode->vdisplay); - } + drm_connector_set_panel_orientation_with_quirk(&connector->base, + intel_dsi_get_panel_orientation(connector), + connector->panel.fixed_mode->hdisplay, + connector->panel.fixed_mode->vdisplay); } #define NS_KHZ_RATIO 1000000 @@ -1876,7 +1869,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv) intel_encoder->post_disable = intel_dsi_post_disable; intel_encoder->get_hw_state = intel_dsi_get_hw_state; intel_encoder->get_config = intel_dsi_get_config; - intel_encoder->update_pipe = intel_panel_update_backlight; + intel_encoder->update_pipe = intel_backlight_update; intel_encoder->shutdown = intel_dsi_shutdown; intel_connector->get_hw_state = intel_connector_get_hw_state; @@ -1964,7 +1957,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv) } intel_panel_init(&intel_connector->panel, fixed_mode, NULL); - intel_panel_setup_backlight(connector, INVALID_PIPE); + intel_backlight_setup(intel_connector, INVALID_PIPE); vlv_dsi_add_properties(intel_connector); diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c index 90185b219447..0078973cd219 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c @@ -568,3 +568,26 @@ void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port) } intel_de_write(dev_priv, MIPI_EOT_DISABLE(port), CLOCKSTOP); } + +static void assert_dsi_pll(struct drm_i915_private *i915, bool state) +{ + bool cur_state; + + vlv_cck_get(i915); + cur_state = vlv_cck_read(i915, CCK_REG_DSI_PLL_CONTROL) & DSI_PLL_VCO_EN; + vlv_cck_put(i915); + + I915_STATE_WARN(cur_state != state, + "DSI PLL state assertion failure (expected %s, current %s)\n", + onoff(state), onoff(cur_state)); +} + +void assert_dsi_pll_enabled(struct drm_i915_private *i915) +{ + assert_dsi_pll(i915, true); +} + +void assert_dsi_pll_disabled(struct drm_i915_private *i915) +{ + assert_dsi_pll(i915, false); +} diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c index de3ac58fceec..cbd0e1010a46 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c @@ -1373,13 +1373,28 @@ err_st_alloc: } static struct scatterlist * -remap_pages(struct drm_i915_gem_object *obj, unsigned int offset, +remap_pages(struct drm_i915_gem_object *obj, + unsigned int offset, unsigned int alignment_pad, unsigned int width, unsigned int height, unsigned int src_stride, unsigned int dst_stride, struct sg_table *st, struct scatterlist *sg) { unsigned int row; + if (alignment_pad) { + st->nents++; + + /* + * The DE ignores the PTEs for the padding tiles, the sg entry + * here is just a convenience to indicate how many padding PTEs + * to insert at this spot. + */ + sg_set_page(sg, NULL, alignment_pad * 4096, 0); + sg_dma_address(sg) = 0; + sg_dma_len(sg) = alignment_pad * 4096; + sg = sg_next(sg); + } + for (row = 0; row < height; row++) { unsigned int left = width * I915_GTT_PAGE_SIZE; @@ -1439,6 +1454,7 @@ intel_remap_pages(struct intel_remapped_info *rem_info, struct drm_i915_private *i915 = to_i915(obj->base.dev); struct sg_table *st; struct scatterlist *sg; + unsigned int gtt_offset = 0; int ret = -ENOMEM; int i; @@ -1455,10 +1471,19 @@ intel_remap_pages(struct intel_remapped_info *rem_info, sg = st->sgl; for (i = 0 ; i < ARRAY_SIZE(rem_info->plane); i++) { - sg = remap_pages(obj, rem_info->plane[i].offset, + unsigned int alignment_pad = 0; + + if (rem_info->plane_alignment) + alignment_pad = ALIGN(gtt_offset, rem_info->plane_alignment) - gtt_offset; + + sg = remap_pages(obj, + rem_info->plane[i].offset, alignment_pad, rem_info->plane[i].width, rem_info->plane[i].height, rem_info->plane[i].src_stride, rem_info->plane[i].dst_stride, st, sg); + + gtt_offset += alignment_pad + + rem_info->plane[i].dst_stride * rem_info->plane[i].height; } i915_sg_trim(st); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 59fb4c710c8c..d9f208802ae0 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -97,7 +97,7 @@ static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(0, 0)); if (!dev_priv->bridge_dev) { drm_err(&dev_priv->drm, "bridge device not found\n"); - return -1; + return -EIO; } return 0; } @@ -409,8 +409,9 @@ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) if (i915_inject_probe_failure(dev_priv)) return -ENODEV; - if (i915_get_bridge_dev(dev_priv)) - return -EIO; + ret = i915_get_bridge_dev(dev_priv); + if (ret < 0) + return ret; ret = intel_uncore_init_mmio(&dev_priv->uncore); if (ret < 0) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 005b1cec7007..133dadecafdb 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -323,15 +323,15 @@ struct intel_crtc; struct intel_limit; struct dpll; -struct drm_i915_display_funcs { - void (*get_cdclk)(struct drm_i915_private *dev_priv, - struct intel_cdclk_config *cdclk_config); - void (*set_cdclk)(struct drm_i915_private *dev_priv, - const struct intel_cdclk_config *cdclk_config, - enum pipe pipe); - int (*bw_calc_min_cdclk)(struct intel_atomic_state *state); - int (*get_fifo_size)(struct drm_i915_private *dev_priv, - enum i9xx_plane_id i9xx_plane); +/* functions used internal in intel_pm.c */ +struct drm_i915_clock_gating_funcs { + void (*init_clock_gating)(struct drm_i915_private *dev_priv); +}; + +/* functions used for watermark calcs for display. */ +struct drm_i915_wm_disp_funcs { + /* update_wm is for legacy wm management */ + void (*update_wm)(struct drm_i915_private *dev_priv); int (*compute_pipe_wm)(struct intel_atomic_state *state, struct intel_crtc *crtc); int (*compute_intermediate_wm)(struct intel_atomic_state *state, @@ -343,39 +343,9 @@ struct drm_i915_display_funcs { void (*optimize_watermarks)(struct intel_atomic_state *state, struct intel_crtc *crtc); int (*compute_global_watermarks)(struct intel_atomic_state *state); - void (*update_wm)(struct intel_crtc *crtc); - int (*modeset_calc_cdclk)(struct intel_cdclk_state *state); - u8 (*calc_voltage_level)(int cdclk); - /* Returns the active state of the crtc, and if the crtc is active, - * fills out the pipe-config with the hw state. */ - bool (*get_pipe_config)(struct intel_crtc *, - struct intel_crtc_state *); - void (*get_initial_plane_config)(struct intel_crtc *, - struct intel_initial_plane_config *); - int (*crtc_compute_clock)(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state); - void (*crtc_enable)(struct intel_atomic_state *state, - struct intel_crtc *crtc); - void (*crtc_disable)(struct intel_atomic_state *state, - struct intel_crtc *crtc); - void (*commit_modeset_enables)(struct intel_atomic_state *state); - void (*commit_modeset_disables)(struct intel_atomic_state *state); - void (*audio_codec_enable)(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); - void (*audio_codec_disable)(struct intel_encoder *encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state); - void (*fdi_link_train)(struct intel_crtc *crtc, - const struct intel_crtc_state *crtc_state); - void (*init_clock_gating)(struct drm_i915_private *dev_priv); - void (*hpd_irq_setup)(struct drm_i915_private *dev_priv); - /* clock updates for mode set */ - /* cursor updates */ - /* render clock increase/decrease */ - /* display clock increase/decrease */ - /* pll clock increase/decrease */ +}; +struct intel_color_funcs { int (*color_check)(struct intel_crtc_state *crtc_state); /* * Program double buffered color management registers during @@ -394,6 +364,53 @@ struct drm_i915_display_funcs { void (*read_luts)(struct intel_crtc_state *crtc_state); }; +struct intel_audio_funcs { + void (*audio_codec_enable)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); + void (*audio_codec_disable)(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state); +}; + +struct intel_cdclk_funcs { + void (*get_cdclk)(struct drm_i915_private *dev_priv, + struct intel_cdclk_config *cdclk_config); + void (*set_cdclk)(struct drm_i915_private *dev_priv, + const struct intel_cdclk_config *cdclk_config, + enum pipe pipe); + int (*bw_calc_min_cdclk)(struct intel_atomic_state *state); + int (*modeset_calc_cdclk)(struct intel_cdclk_state *state); + u8 (*calc_voltage_level)(int cdclk); +}; + +struct intel_hotplug_funcs { + void (*hpd_irq_setup)(struct drm_i915_private *dev_priv); +}; + +struct intel_fdi_funcs { + void (*fdi_link_train)(struct intel_crtc *crtc, + const struct intel_crtc_state *crtc_state); +}; + +struct intel_dpll_funcs { + int (*crtc_compute_clock)(struct intel_crtc_state *crtc_state); +}; + +struct drm_i915_display_funcs { + /* Returns the active state of the crtc, and if the crtc is active, + * fills out the pipe-config with the hw state. */ + bool (*get_pipe_config)(struct intel_crtc *, + struct intel_crtc_state *); + void (*get_initial_plane_config)(struct intel_crtc *, + struct intel_initial_plane_config *); + void (*crtc_enable)(struct intel_atomic_state *state, + struct intel_crtc *crtc); + void (*crtc_disable)(struct intel_atomic_state *state, + struct intel_crtc *crtc); + void (*commit_modeset_enables)(struct intel_atomic_state *state); +}; + #define I915_COLOR_UNEVICTABLE (-1) /* a non-vma sharing the address space */ @@ -454,7 +471,6 @@ struct intel_fbc { } fb; unsigned int fence_y_offset; - u16 gen9_wa_cfb_stride; u16 interval; s8 fence_id; bool psr2_active; @@ -479,9 +495,10 @@ struct intel_fbc { u64 modifier; } fb; - int cfb_size; + unsigned int cfb_stride; + unsigned int cfb_size; unsigned int fence_y_offset; - u16 gen9_wa_cfb_stride; + u16 override_cfb_stride; u16 interval; s8 fence_id; bool plane_visible; @@ -636,22 +653,6 @@ i915_fence_timeout(const struct drm_i915_private *i915) /* Amount of PSF GV points, BSpec precisely defines this */ #define I915_NUM_PSF_GV_POINTS 3 -struct ddi_vbt_port_info { - /* Non-NULL if port present. */ - struct intel_bios_encoder_data *devdata; - - int max_tmds_clock; - - /* This is an index in the HDMI/DVI DDI buffer translation table. */ - u8 hdmi_level_shift; - u8 hdmi_level_shift_set:1; - - u8 alternate_aux_channel; - u8 alternate_ddc_pin; - - int dp_max_link_rate; /* 0 for not limited by VBT */ -}; - enum psr_lines_to_wait { PSR_0_LINES_TO_WAIT = 0, PSR_1_LINE_TO_WAIT, @@ -706,6 +707,7 @@ struct intel_vbt_data { struct { u16 pwm_freq_hz; + u16 brightness_precision_bits; bool present; bool active_low_pwm; u8 min_brightness; /* min_brightness/255 of max */ @@ -732,7 +734,7 @@ struct intel_vbt_data { struct list_head display_devices; - struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS]; + struct intel_bios_encoder_data *ports[I915_MAX_PORTS]; /* Non-NULL if port present. */ struct sdvo_device_mapping sdvo_mappings[2]; }; @@ -886,8 +888,6 @@ struct drm_i915_private { */ u32 gpio_mmio_base; - u32 hsw_psr_mmio_adjust; - /* MMIO base address for MIPI regs */ u32 mipi_mmio_base; @@ -974,8 +974,32 @@ struct drm_i915_private { /* unbound hipri wq for page flips/plane updates */ struct workqueue_struct *flip_wq; + /* pm private clock gating functions */ + const struct drm_i915_clock_gating_funcs *clock_gating_funcs; + + /* pm display functions */ + const struct drm_i915_wm_disp_funcs *wm_disp; + + /* irq display functions */ + const struct intel_hotplug_funcs *hotplug_funcs; + + /* fdi display functions */ + const struct intel_fdi_funcs *fdi_funcs; + + /* display pll funcs */ + const struct intel_dpll_funcs *dpll_funcs; + /* Display functions */ - struct drm_i915_display_funcs display; + const struct drm_i915_display_funcs *display; + + /* Display internal color functions */ + const struct intel_color_funcs *color_funcs; + + /* Display internal audio functions */ + const struct intel_audio_funcs *audio_funcs; + + /* Display CDCLK functions */ + const struct intel_cdclk_funcs *cdclk_funcs; /* PCH chipset type */ enum intel_pch pch_type; @@ -1016,12 +1040,6 @@ struct drm_i915_private { struct list_head global_obj_list; - /* - * For reading active_pipes holding any crtc lock is - * sufficient, for writing must hold all of them. - */ - u8 active_pipes; - struct i915_wa_list gt_wa_list; struct i915_frontbuffer_tracking fb_tracking; @@ -1665,6 +1683,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_IPS(dev_priv) (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv)) #define HAS_DP_MST(dev_priv) (INTEL_INFO(dev_priv)->display.has_dp_mst) +#define HAS_DP20(dev_priv) (IS_DG2(dev_priv)) #define HAS_CDCLK_CRAWL(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_crawl) #define HAS_DDI(dev_priv) (INTEL_INFO(dev_priv)->display.has_ddi) @@ -1721,6 +1740,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_VRR(i915) (GRAPHICS_VER(i915) >= 12) +#define HAS_ASYNC_FLIPS(i915) (DISPLAY_VER(i915) >= 5) + /* Only valid when HAS_DISPLAY() is true */ #define INTEL_DISPLAY_ENABLED(dev_priv) \ (drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)), !(dev_priv)->params.disable_display) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 9bc4f4a8e12e..77680bca46ee 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -359,9 +359,8 @@ void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv, * @interrupt_mask: mask of interrupt bits to update * @enabled_irq_mask: mask of interrupt bits to enable */ -void ilk_update_display_irq(struct drm_i915_private *dev_priv, - u32 interrupt_mask, - u32 enabled_irq_mask) +static void ilk_update_display_irq(struct drm_i915_private *dev_priv, + u32 interrupt_mask, u32 enabled_irq_mask) { u32 new_val; @@ -380,6 +379,16 @@ void ilk_update_display_irq(struct drm_i915_private *dev_priv, } } +void ilk_enable_display_irq(struct drm_i915_private *i915, u32 bits) +{ + ilk_update_display_irq(i915, bits, bits); +} + +void ilk_disable_display_irq(struct drm_i915_private *i915, u32 bits) +{ + ilk_update_display_irq(i915, bits, 0); +} + /** * bdw_update_port_irq - update DE port interrupt * @dev_priv: driver private @@ -419,10 +428,9 @@ static void bdw_update_port_irq(struct drm_i915_private *dev_priv, * @interrupt_mask: mask of interrupt bits to update * @enabled_irq_mask: mask of interrupt bits to enable */ -void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, - enum pipe pipe, - u32 interrupt_mask, - u32 enabled_irq_mask) +static void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, + enum pipe pipe, u32 interrupt_mask, + u32 enabled_irq_mask) { u32 new_val; @@ -444,15 +452,27 @@ void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, } } +void bdw_enable_pipe_irq(struct drm_i915_private *i915, + enum pipe pipe, u32 bits) +{ + bdw_update_pipe_irq(i915, pipe, bits, bits); +} + +void bdw_disable_pipe_irq(struct drm_i915_private *i915, + enum pipe pipe, u32 bits) +{ + bdw_update_pipe_irq(i915, pipe, bits, 0); +} + /** * ibx_display_interrupt_update - update SDEIMR * @dev_priv: driver private * @interrupt_mask: mask of interrupt bits to update * @enabled_irq_mask: mask of interrupt bits to enable */ -void ibx_display_interrupt_update(struct drm_i915_private *dev_priv, - u32 interrupt_mask, - u32 enabled_irq_mask) +static void ibx_display_interrupt_update(struct drm_i915_private *dev_priv, + u32 interrupt_mask, + u32 enabled_irq_mask) { u32 sdeimr = intel_uncore_read(&dev_priv->uncore, SDEIMR); sdeimr &= ~interrupt_mask; @@ -469,6 +489,16 @@ void ibx_display_interrupt_update(struct drm_i915_private *dev_priv, intel_uncore_posting_read(&dev_priv->uncore, SDEIMR); } +void ibx_enable_display_interrupt(struct drm_i915_private *i915, u32 bits) +{ + ibx_display_interrupt_update(i915, bits, bits); +} + +void ibx_disable_display_interrupt(struct drm_i915_private *i915, u32 bits) +{ + ibx_display_interrupt_update(i915, bits, 0); +} + u32 i915_pipestat_enable_mask(struct drm_i915_private *dev_priv, enum pipe pipe) { @@ -2093,22 +2123,6 @@ static void ivb_display_irq_handler(struct drm_i915_private *dev_priv, if (de_iir & DE_ERR_INT_IVB) ivb_err_int_handler(dev_priv); - if (de_iir & DE_EDP_PSR_INT_HSW) { - struct intel_encoder *encoder; - - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - u32 psr_iir = intel_uncore_read(&dev_priv->uncore, - EDP_PSR_IIR); - - intel_psr_irq_handler(intel_dp, psr_iir); - intel_uncore_write(&dev_priv->uncore, - EDP_PSR_IIR, psr_iir); - break; - } - } - if (de_iir & DE_AUX_CHANNEL_A_IVB) dp_aux_irq_handler(dev_priv); @@ -4331,6 +4345,20 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) return ret; } +#define HPD_FUNCS(platform) \ +static const struct intel_hotplug_funcs platform##_hpd_funcs = { \ + .hpd_irq_setup = platform##_hpd_irq_setup, \ +} + +HPD_FUNCS(i915); +HPD_FUNCS(dg1); +HPD_FUNCS(gen11); +HPD_FUNCS(bxt); +HPD_FUNCS(icp); +HPD_FUNCS(spt); +HPD_FUNCS(ilk); +#undef HPD_FUNCS + /** * intel_irq_init - initializes irq support * @dev_priv: i915 device instance @@ -4381,20 +4409,20 @@ void intel_irq_init(struct drm_i915_private *dev_priv) if (HAS_GMCH(dev_priv)) { if (I915_HAS_HOTPLUG(dev_priv)) - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; + dev_priv->hotplug_funcs = &i915_hpd_funcs; } else { if (HAS_PCH_DG1(dev_priv)) - dev_priv->display.hpd_irq_setup = dg1_hpd_irq_setup; + dev_priv->hotplug_funcs = &dg1_hpd_funcs; else if (DISPLAY_VER(dev_priv) >= 11) - dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup; + dev_priv->hotplug_funcs = &gen11_hpd_funcs; else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; + dev_priv->hotplug_funcs = &bxt_hpd_funcs; else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) - dev_priv->display.hpd_irq_setup = icp_hpd_irq_setup; + dev_priv->hotplug_funcs = &icp_hpd_funcs; else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) - dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup; + dev_priv->hotplug_funcs = &spt_hpd_funcs; else - dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; + dev_priv->hotplug_funcs = &ilk_hpd_funcs; } } diff --git a/drivers/gpu/drm/i915/i915_irq.h b/drivers/gpu/drm/i915/i915_irq.h index e43b6734f21b..0eb90d271fa7 100644 --- a/drivers/gpu/drm/i915/i915_irq.h +++ b/drivers/gpu/drm/i915/i915_irq.h @@ -9,9 +9,9 @@ #include <linux/ktime.h> #include <linux/types.h> -#include "display/intel_display.h" #include "i915_reg.h" +enum pipe; struct drm_crtc; struct drm_device; struct drm_display_mode; @@ -40,46 +40,15 @@ void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv); void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv, u32 mask, u32 bits); -void ilk_update_display_irq(struct drm_i915_private *dev_priv, - u32 interrupt_mask, - u32 enabled_irq_mask); -static inline void -ilk_enable_display_irq(struct drm_i915_private *dev_priv, u32 bits) -{ - ilk_update_display_irq(dev_priv, bits, bits); -} -static inline void -ilk_disable_display_irq(struct drm_i915_private *dev_priv, u32 bits) -{ - ilk_update_display_irq(dev_priv, bits, 0); -} -void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, - enum pipe pipe, - u32 interrupt_mask, - u32 enabled_irq_mask); -static inline void bdw_enable_pipe_irq(struct drm_i915_private *dev_priv, - enum pipe pipe, u32 bits) -{ - bdw_update_pipe_irq(dev_priv, pipe, bits, bits); -} -static inline void bdw_disable_pipe_irq(struct drm_i915_private *dev_priv, - enum pipe pipe, u32 bits) -{ - bdw_update_pipe_irq(dev_priv, pipe, bits, 0); -} -void ibx_display_interrupt_update(struct drm_i915_private *dev_priv, - u32 interrupt_mask, - u32 enabled_irq_mask); -static inline void -ibx_enable_display_interrupt(struct drm_i915_private *dev_priv, u32 bits) -{ - ibx_display_interrupt_update(dev_priv, bits, bits); -} -static inline void -ibx_disable_display_interrupt(struct drm_i915_private *dev_priv, u32 bits) -{ - ibx_display_interrupt_update(dev_priv, bits, 0); -} + +void ilk_enable_display_irq(struct drm_i915_private *i915, u32 bits); +void ilk_disable_display_irq(struct drm_i915_private *i915, u32 bits); + +void bdw_enable_pipe_irq(struct drm_i915_private *i915, enum pipe pipe, u32 bits); +void bdw_disable_pipe_irq(struct drm_i915_private *i915, enum pipe pipe, u32 bits); + +void ibx_enable_display_interrupt(struct drm_i915_private *i915, u32 bits); +void ibx_disable_display_interrupt(struct drm_i915_private *i915, u32 bits); void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index f27eceb82c0f..8d725b64592d 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -55,7 +55,7 @@ struct drm_printer; param(int, enable_fbc, -1, 0600) \ param(int, enable_psr, -1, 0600) \ param(bool, psr_safest_params, false, 0400) \ - param(bool, enable_psr2_sel_fetch, false, 0400) \ + param(bool, enable_psr2_sel_fetch, true, 0400) \ param(int, disable_power_well, -1, 0400) \ param(int, enable_ips, 1, 0600) \ param(int, invert_brightness, 0, 0600) \ diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 1bbd09ad5287..52c04369559f 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -537,8 +537,6 @@ static const struct intel_device_info vlv_info = { BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \ .display.has_ddi = 1, \ .display.has_fpga_dbg = 1, \ - .display.has_psr = 1, \ - .display.has_psr_hw_tracking = 1, \ .display.has_dp_mst = 1, \ .has_rc6p = 0 /* RC6p removed-by HSW */, \ HSW_PIPE_OFFSETS, \ @@ -642,6 +640,8 @@ static const struct intel_device_info chv_info = { .has_gt_uc = 1, \ .display.has_hdcp = 1, \ .display.has_ipc = 1, \ + .display.has_psr = 1, \ + .display.has_psr_hw_tracking = 1, \ .dbuf.size = 896 - 4, /* 4 blocks for bypass path allocation */ \ .dbuf.slice_mask = BIT(DBUF_S1) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 664970f2bc62..c6e883bd4850 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2237,10 +2237,14 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define SNPS_PHY_MPLLB_DIV(phy) _MMIO_SNPS(phy, 0x168004) #define SNPS_PHY_MPLLB_FORCE_EN REG_BIT(31) +#define SNPS_PHY_MPLLB_DIV_CLK_EN REG_BIT(30) #define SNPS_PHY_MPLLB_DIV5_CLK_EN REG_BIT(29) #define SNPS_PHY_MPLLB_V2I REG_GENMASK(27, 26) #define SNPS_PHY_MPLLB_FREQ_VCO REG_GENMASK(25, 24) +#define SNPS_PHY_MPLLB_DIV_MULTIPLIER REG_GENMASK(23, 16) #define SNPS_PHY_MPLLB_PMIX_EN REG_BIT(10) +#define SNPS_PHY_MPLLB_DP2_MODE REG_BIT(9) +#define SNPS_PHY_MPLLB_WORD_DIV2_EN REG_BIT(8) #define SNPS_PHY_MPLLB_TX_CLK_DIV REG_GENMASK(7, 5) #define SNPS_PHY_MPLLB_FRACN1(phy) _MMIO_SNPS(phy, 0x168008) @@ -3356,6 +3360,10 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define ILK_DPFC_DISABLE_DUMMY0 (1 << 8) #define ILK_DPFC_CHICKEN_COMP_DUMMY_PIXEL (1 << 14) #define ILK_DPFC_NUKE_ON_ANY_MODIFICATION (1 << 23) +#define GLK_FBC_STRIDE _MMIO(0x43228) +#define FBC_STRIDE_OVERRIDE REG_BIT(15) +#define FBC_STRIDE_MASK REG_GENMASK(14, 0) +#define FBC_STRIDE(x) REG_FIELD_PREP(FBC_STRIDE_MASK, (x)) #define ILK_FBC_RT_BASE _MMIO(0x2128) #define ILK_FBC_RT_VALID (1 << 0) #define SNB_FBC_FRONT_BUFFER (1 << 1) @@ -4231,6 +4239,7 @@ enum { #define DUPS1_GATING_DIS (1 << 15) #define DUPS2_GATING_DIS (1 << 19) #define DUPS3_GATING_DIS (1 << 23) +#define CURSOR_GATING_DIS REG_BIT(28) #define DPF_GATING_DIS (1 << 10) #define DPF_RAM_GATING_DIS (1 << 9) #define DPFR_GATING_DIS (1 << 8) @@ -4509,11 +4518,9 @@ enum { * HSW PSR registers are relative to DDIA(_DDI_BUF_CTL_A + 0x800) with just one * instance of it */ -#define _HSW_EDP_PSR_BASE 0x64800 #define _SRD_CTL_A 0x60800 #define _SRD_CTL_EDP 0x6f800 -#define _PSR_ADJ(tran, reg) (_TRANS2(tran, reg) - dev_priv->hsw_psr_mmio_adjust) -#define EDP_PSR_CTL(tran) _MMIO(_PSR_ADJ(tran, _SRD_CTL_A)) +#define EDP_PSR_CTL(tran) _MMIO(_TRANS2(tran, _SRD_CTL_A)) #define EDP_PSR_ENABLE (1 << 31) #define BDW_PSR_SINGLE_FRAME (1 << 30) #define EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK (1 << 29) /* SW can't modify */ @@ -4557,22 +4564,13 @@ enum { #define EDP_PSR_POST_EXIT(trans) (0x2 << _EDP_PSR_TRANS_SHIFT(trans)) #define EDP_PSR_PRE_ENTRY(trans) (0x1 << _EDP_PSR_TRANS_SHIFT(trans)) -#define _SRD_AUX_CTL_A 0x60810 -#define _SRD_AUX_CTL_EDP 0x6f810 -#define EDP_PSR_AUX_CTL(tran) _MMIO(_PSR_ADJ(tran, _SRD_AUX_CTL_A)) -#define EDP_PSR_AUX_CTL_TIME_OUT_MASK (3 << 26) -#define EDP_PSR_AUX_CTL_MESSAGE_SIZE_MASK (0x1f << 20) -#define EDP_PSR_AUX_CTL_PRECHARGE_2US_MASK (0xf << 16) -#define EDP_PSR_AUX_CTL_ERROR_INTERRUPT (1 << 11) -#define EDP_PSR_AUX_CTL_BIT_CLOCK_2X_MASK (0x7ff) - #define _SRD_AUX_DATA_A 0x60814 #define _SRD_AUX_DATA_EDP 0x6f814 -#define EDP_PSR_AUX_DATA(tran, i) _MMIO(_PSR_ADJ(tran, _SRD_AUX_DATA_A) + (i) + 4) /* 5 registers */ +#define EDP_PSR_AUX_DATA(tran, i) _MMIO(_TRANS2(tran, _SRD_AUX_DATA_A) + (i) + 4) /* 5 registers */ #define _SRD_STATUS_A 0x60840 #define _SRD_STATUS_EDP 0x6f840 -#define EDP_PSR_STATUS(tran) _MMIO(_PSR_ADJ(tran, _SRD_STATUS_A)) +#define EDP_PSR_STATUS(tran) _MMIO(_TRANS2(tran, _SRD_STATUS_A)) #define EDP_PSR_STATUS_STATE_MASK (7 << 29) #define EDP_PSR_STATUS_STATE_SHIFT 29 #define EDP_PSR_STATUS_STATE_IDLE (0 << 29) @@ -4599,13 +4597,13 @@ enum { #define _SRD_PERF_CNT_A 0x60844 #define _SRD_PERF_CNT_EDP 0x6f844 -#define EDP_PSR_PERF_CNT(tran) _MMIO(_PSR_ADJ(tran, _SRD_PERF_CNT_A)) +#define EDP_PSR_PERF_CNT(tran) _MMIO(_TRANS2(tran, _SRD_PERF_CNT_A)) #define EDP_PSR_PERF_CNT_MASK 0xffffff /* PSR_MASK on SKL+ */ #define _SRD_DEBUG_A 0x60860 #define _SRD_DEBUG_EDP 0x6f860 -#define EDP_PSR_DEBUG(tran) _MMIO(_PSR_ADJ(tran, _SRD_DEBUG_A)) +#define EDP_PSR_DEBUG(tran) _MMIO(_TRANS2(tran, _SRD_DEBUG_A)) #define EDP_PSR_DEBUG_MASK_MAX_SLEEP (1 << 28) #define EDP_PSR_DEBUG_MASK_LPSP (1 << 27) #define EDP_PSR_DEBUG_MASK_MEMUP (1 << 26) @@ -8176,8 +8174,9 @@ enum { #define GLK_CL0_PWR_DOWN (1 << 10) #define CHICKEN_MISC_4 _MMIO(0x4208c) -#define FBC_STRIDE_OVERRIDE (1 << 13) -#define FBC_STRIDE_MASK 0x1FFF +#define CHICKEN_FBC_STRIDE_OVERRIDE REG_BIT(13) +#define CHICKEN_FBC_STRIDE_MASK REG_GENMASK(12, 0) +#define CHICKEN_FBC_STRIDE(x) REG_FIELD_PREP(CHICKEN_FBC_STRIDE_MASK, (x)) #define _CHICKEN_PIPESL_1_A 0x420b0 #define _CHICKEN_PIPESL_1_B 0x420b4 @@ -8211,6 +8210,7 @@ enum { #define VSC_DATA_SEL_SOFTWARE_CONTROL REG_BIT(25) /* GLK */ #define FECSTALL_DIS_DPTSTREAM_DPTTG REG_BIT(23) #define DDI_TRAINING_OVERRIDE_ENABLE REG_BIT(19) +#define ADLP_1_BASED_X_GRANULARITY REG_BIT(18) #define DDI_TRAINING_OVERRIDE_VALUE REG_BIT(18) #define DDIE_TRAINING_OVERRIDE_ENABLE REG_BIT(17) /* CHICKEN_TRANS_A only */ #define DDIE_TRAINING_OVERRIDE_VALUE REG_BIT(16) /* CHICKEN_TRANS_A only */ @@ -9096,6 +9096,29 @@ enum { #define TRANS_DP_HSYNC_ACTIVE_LOW 0 #define TRANS_DP_SYNC_MASK (3 << 3) +#define _TRANS_DP2_CTL_A 0x600a0 +#define _TRANS_DP2_CTL_B 0x610a0 +#define _TRANS_DP2_CTL_C 0x620a0 +#define _TRANS_DP2_CTL_D 0x630a0 +#define TRANS_DP2_CTL(trans) _MMIO_TRANS(trans, _TRANS_DP2_CTL_A, _TRANS_DP2_CTL_B) +#define TRANS_DP2_128B132B_CHANNEL_CODING REG_BIT(31) +#define TRANS_DP2_PANEL_REPLAY_ENABLE REG_BIT(30) +#define TRANS_DP2_DEBUG_ENABLE REG_BIT(23) + +#define _TRANS_DP2_VFREQHIGH_A 0x600a4 +#define _TRANS_DP2_VFREQHIGH_B 0x610a4 +#define _TRANS_DP2_VFREQHIGH_C 0x620a4 +#define _TRANS_DP2_VFREQHIGH_D 0x630a4 +#define TRANS_DP2_VFREQHIGH(trans) _MMIO_TRANS(trans, _TRANS_DP2_VFREQHIGH_A, _TRANS_DP2_VFREQHIGH_B) +#define TRANS_DP2_VFREQ_PIXEL_CLOCK_MASK REG_GENMASK(31, 8) +#define TRANS_DP2_VFREQ_PIXEL_CLOCK(clk_hz) REG_FIELD_PREP(TRANS_DP2_VFREQ_PIXEL_CLOCK_MASK, (clk_hz)) + +#define _TRANS_DP2_VFREQLOW_A 0x600a8 +#define _TRANS_DP2_VFREQLOW_B 0x610a8 +#define _TRANS_DP2_VFREQLOW_C 0x620a8 +#define _TRANS_DP2_VFREQLOW_D 0x630a8 +#define TRANS_DP2_VFREQLOW(trans) _MMIO_TRANS(trans, _TRANS_DP2_VFREQLOW_A, _TRANS_DP2_VFREQLOW_B) + /* SNB eDP training params */ /* SNB A-stepping */ #define EDP_LINK_TRAIN_400MV_0DB_SNB_A (0x38 << 22) @@ -9710,6 +9733,11 @@ enum { #define AUDIO_CP_READY(trans) ((1 << 1) << ((trans) * 4)) #define AUDIO_ELD_VALID(trans) ((1 << 0) << ((trans) * 4)) +#define _AUD_TCA_DP_2DOT0_CTRL 0x650bc +#define _AUD_TCB_DP_2DOT0_CTRL 0x651bc +#define AUD_DP_2DOT0_CTRL(trans) _MMIO_TRANS(trans, _AUD_TCA_DP_2DOT0_CTRL, _AUD_TCB_DP_2DOT0_CTRL) +#define AUD_ENABLE_SDP_SPLIT REG_BIT(31) + #define HSW_AUD_CHICKENBIT _MMIO(0x65f10) #define SKL_AUD_CODEC_WAKE_SIGNAL (1 << 15) @@ -10155,7 +10183,7 @@ enum skl_power_gate { #define TRANS_DDI_MODE_SELECT_DVI (1 << 24) #define TRANS_DDI_MODE_SELECT_DP_SST (2 << 24) #define TRANS_DDI_MODE_SELECT_DP_MST (3 << 24) -#define TRANS_DDI_MODE_SELECT_FDI (4 << 24) +#define TRANS_DDI_MODE_SELECT_FDI_OR_128B132B (4 << 24) #define TRANS_DDI_BPC_MASK (7 << 20) #define TRANS_DDI_BPC_8 (0 << 20) #define TRANS_DDI_BPC_10 (1 << 20) @@ -11611,6 +11639,14 @@ enum skl_power_gate { _ICL_DSI_IO_MODECTL_1) #define COMBO_PHY_MODE_DSI (1 << 0) +/* TGL DSI Chicken register */ +#define _TGL_DSI_CHKN_REG_0 0x6B0C0 +#define _TGL_DSI_CHKN_REG_1 0x6B8C0 +#define TGL_DSI_CHKN_REG(port) _MMIO_PORT(port, \ + _TGL_DSI_CHKN_REG_0, \ + _TGL_DSI_CHKN_REG_1) +#define TGL_DSI_CHKN_LSHS_GB REG_GENMASK(15, 12) + /* Display Stream Splitter Control */ #define DSS_CTL1 _MMIO(0x67400) #define SPLITTER_ENABLE (1 << 31) @@ -12734,4 +12770,7 @@ enum skl_power_gate { #define CLKREQ_POLICY _MMIO(0x101038) #define CLKREQ_POLICY_MEM_UP_OVRD REG_BIT(1) +#define CLKGATE_DIS_MISC _MMIO(0x46534) +#define CLKGATE_DIS_MISC_DMASC_GATING_DIS REG_BIT(21) + #endif /* _I915_REG_H_ */ diff --git a/drivers/gpu/drm/i915/i915_vma_types.h b/drivers/gpu/drm/i915/i915_vma_types.h index 995b502d7e5d..80e93bf00f2e 100644 --- a/drivers/gpu/drm/i915/i915_vma_types.h +++ b/drivers/gpu/drm/i915/i915_vma_types.h @@ -105,8 +105,9 @@ struct intel_remapped_plane_info { } __packed; struct intel_remapped_info { - struct intel_remapped_plane_info plane[2]; - u32 unused_mbz; + struct intel_remapped_plane_info plane[4]; + /* in gtt pages */ + u32 plane_alignment; } __packed; struct intel_rotation_info { @@ -129,7 +130,7 @@ static inline void assert_i915_gem_gtt_types(void) { BUILD_BUG_ON(sizeof(struct intel_rotation_info) != 2 * sizeof(u32) + 8 * sizeof(u16)); BUILD_BUG_ON(sizeof(struct intel_partial_info) != sizeof(u64) + sizeof(unsigned int)); - BUILD_BUG_ON(sizeof(struct intel_remapped_info) != 3 * sizeof(u32) + 8 * sizeof(u16)); + BUILD_BUG_ON(sizeof(struct intel_remapped_info) != 5 * sizeof(u32) + 16 * sizeof(u16)); /* Check that rotation/remapped shares offsets for simplicity */ BUILD_BUG_ON(offsetof(struct intel_remapped_info, plane[0]) != diff --git a/drivers/gpu/drm/i915/intel_dram.c b/drivers/gpu/drm/i915/intel_dram.c index 91866520c173..30a0cab5eff4 100644 --- a/drivers/gpu/drm/i915/intel_dram.c +++ b/drivers/gpu/drm/i915/intel_dram.c @@ -444,7 +444,7 @@ static int icl_pcode_read_mem_global_info(struct drm_i915_private *dev_priv) break; default: MISSING_CASE(val & 0xf); - return -1; + return -EINVAL; } } else { switch (val & 0xf) { @@ -462,7 +462,7 @@ static int icl_pcode_read_mem_global_info(struct drm_i915_private *dev_priv) break; default: MISSING_CASE(val & 0xf); - return -1; + return -EINVAL; } } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 65bc3709f54c..ef5f73934dab 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -881,9 +881,8 @@ static struct intel_crtc *single_enabled_crtc(struct drm_i915_private *dev_priv) return enabled; } -static void pnv_update_wm(struct intel_crtc *unused_crtc) +static void pnv_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); struct intel_crtc *crtc; const struct cxsr_latency *latency; u32 reg; @@ -1152,17 +1151,13 @@ static u16 g4x_compute_wm(const struct intel_crtc_state *crtc_state, cpp = plane_state->hw.fb->format->cpp[0]; /* - * Not 100% sure which way ELK should go here as the - * spec only says CL/CTG should assume 32bpp and BW - * doesn't need to. But as these things followed the - * mobile vs. desktop lines on gen3 as well, let's - * assume ELK doesn't need this. + * WaUse32BppForSRWM:ctg,elk * - * The spec also fails to list such a restriction for - * the HPLL watermark, which seems a little strange. + * The spec fails to list this restriction for the + * HPLL watermark, which seems a little strange. * Let's use 32bpp for the HPLL watermark as well. */ - if (IS_GM45(dev_priv) && plane->id == PLANE_PRIMARY && + if (plane->id == PLANE_PRIMARY && level != G4X_WM_LEVEL_NORMAL) cpp = max(cpp, 4u); @@ -1376,8 +1371,7 @@ static int g4x_compute_pipe_wm(struct intel_atomic_state *state, struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); struct g4x_wm_state *wm_state = &crtc_state->wm.g4x.optimal; - int num_active_planes = hweight8(crtc_state->active_planes & - ~BIT(PLANE_CURSOR)); + u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); const struct g4x_pipe_wm *raw; const struct intel_plane_state *old_plane_state; const struct intel_plane_state *new_plane_state; @@ -1417,7 +1411,7 @@ static int g4x_compute_pipe_wm(struct intel_atomic_state *state, wm_state->sr.cursor = raw->plane[PLANE_CURSOR]; wm_state->sr.fbc = raw->fbc; - wm_state->cxsr = num_active_planes == BIT(PLANE_PRIMARY); + wm_state->cxsr = active_planes == BIT(PLANE_PRIMARY); level = G4X_WM_LEVEL_HPLL; if (!g4x_raw_crtc_wm_is_valid(crtc_state, level)) @@ -1708,7 +1702,7 @@ static int vlv_compute_fifo(struct intel_crtc_state *crtc_state) const struct g4x_pipe_wm *raw = &crtc_state->wm.vlv.raw[VLV_WM_LEVEL_PM2]; struct vlv_fifo_state *fifo_state = &crtc_state->wm.vlv.fifo_state; - unsigned int active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); + u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); int num_active_planes = hweight8(active_planes); const int fifo_size = 511; int fifo_extra, fifo_left = fifo_size; @@ -1900,8 +1894,8 @@ static int vlv_compute_pipe_wm(struct intel_atomic_state *state, struct vlv_wm_state *wm_state = &crtc_state->wm.vlv.optimal; const struct vlv_fifo_state *fifo_state = &crtc_state->wm.vlv.fifo_state; - int num_active_planes = hweight8(crtc_state->active_planes & - ~BIT(PLANE_CURSOR)); + u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); + int num_active_planes = hweight8(active_planes); bool needs_modeset = drm_atomic_crtc_needs_modeset(&crtc_state->uapi); const struct intel_plane_state *old_plane_state; const struct intel_plane_state *new_plane_state; @@ -2253,9 +2247,8 @@ static void vlv_optimize_watermarks(struct intel_atomic_state *state, mutex_unlock(&dev_priv->wm.wm_mutex); } -static void i965_update_wm(struct intel_crtc *unused_crtc) +static void i965_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); struct intel_crtc *crtc; int srwm = 1; int cursor_sr = 16; @@ -2329,9 +2322,8 @@ static void i965_update_wm(struct intel_crtc *unused_crtc) #undef FW_WM -static void i9xx_update_wm(struct intel_crtc *unused_crtc) +static void i9xx_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); const struct intel_watermark_params *wm_info; u32 fwater_lo; u32 fwater_hi; @@ -2347,7 +2339,10 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc) else wm_info = &i830_a_wm_info; - fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_A); + if (DISPLAY_VER(dev_priv) == 2) + fifo_size = i830_get_fifo_size(dev_priv, PLANE_A); + else + fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_A); crtc = intel_get_crtc_for_plane(dev_priv, PLANE_A); if (intel_crtc_active(crtc)) { const struct drm_display_mode *pipe_mode = @@ -2374,7 +2369,10 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc) if (DISPLAY_VER(dev_priv) == 2) wm_info = &i830_bc_wm_info; - fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_B); + if (DISPLAY_VER(dev_priv) == 2) + fifo_size = i830_get_fifo_size(dev_priv, PLANE_B); + else + fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_B); crtc = intel_get_crtc_for_plane(dev_priv, PLANE_B); if (intel_crtc_active(crtc)) { const struct drm_display_mode *pipe_mode = @@ -2475,9 +2473,8 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc) intel_set_memory_cxsr(dev_priv, true); } -static void i845_update_wm(struct intel_crtc *unused_crtc) +static void i845_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); struct intel_crtc *crtc; const struct drm_display_mode *pipe_mode; u32 fwater_lo; @@ -2490,7 +2487,7 @@ static void i845_update_wm(struct intel_crtc *unused_crtc) pipe_mode = &crtc->config->hw.pipe_mode; planea_wm = intel_calculate_wm(pipe_mode->crtc_clock, &i845_wm_info, - dev_priv->display.get_fifo_size(dev_priv, PLANE_A), + i845_get_fifo_size(dev_priv, PLANE_A), 4, pessimal_latency_ns); fwater_lo = intel_uncore_read(&dev_priv->uncore, FW_BLC) & ~0xfff; fwater_lo |= (3<<8) | planea_wm; @@ -2859,6 +2856,7 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, u32 val; int ret, i; int level, max_level = ilk_wm_max_level(dev_priv); + int mult = IS_DG2(dev_priv) ? 2 : 1; /* read the first set of memory latencies[0:3] */ val = 0; /* data0 to be programmed to 0 for first set */ @@ -2872,13 +2870,13 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, return; } - wm[0] = val & GEN9_MEM_LATENCY_LEVEL_MASK; - wm[1] = (val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[2] = (val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[3] = (val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; + wm[0] = (val & GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[1] = ((val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[2] = ((val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[3] = ((val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; /* read the second set of memory latencies[4:7] */ val = 1; /* data0 to be programmed to 1 for second set */ @@ -2891,13 +2889,13 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, return; } - wm[4] = val & GEN9_MEM_LATENCY_LEVEL_MASK; - wm[5] = (val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[6] = (val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[7] = (val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; + wm[4] = (val & GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[5] = ((val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[6] = ((val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[7] = ((val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; /* * If a level n (n > 1) has a 0us latency, all levels m (m >= n) @@ -6832,7 +6830,8 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv) for_each_plane_id_on_crtc(crtc, plane_id) raw->plane[plane_id] = active->wm.plane[plane_id]; - if (++level > max_level) + level = G4X_WM_LEVEL_SR; + if (level > max_level) goto out; raw = &crtc_state->wm.g4x.raw[level]; @@ -6841,7 +6840,8 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv) raw->plane[PLANE_SPRITE0] = 0; raw->fbc = active->sr.fbc; - if (++level > max_level) + level = G4X_WM_LEVEL_HPLL; + if (level > max_level) goto out; raw = &crtc_state->wm.g4x.raw[level]; @@ -6850,6 +6850,7 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv) raw->plane[PLANE_SPRITE0] = 0; raw->fbc = active->hpll.fbc; + level++; out: for_each_plane_id_on_crtc(crtc, plane_id) g4x_raw_plane_wm_set(crtc_state, level, @@ -7129,47 +7130,6 @@ void ilk_wm_get_hw_state(struct drm_i915_private *dev_priv) !(intel_uncore_read(&dev_priv->uncore, DISP_ARB_CTL) & DISP_FBC_WM_DIS); } -/** - * intel_update_watermarks - update FIFO watermark values based on current modes - * @crtc: the #intel_crtc on which to compute the WM - * - * Calculate watermark values for the various WM regs based on current mode - * and plane configuration. - * - * There are several cases to deal with here: - * - normal (i.e. non-self-refresh) - * - self-refresh (SR) mode - * - lines are large relative to FIFO size (buffer can hold up to 2) - * - lines are small relative to FIFO size (buffer can hold more than 2 - * lines), so need to account for TLB latency - * - * The normal calculation is: - * watermark = dotclock * bytes per pixel * latency - * where latency is platform & configuration dependent (we assume pessimal - * values here). - * - * The SR calculation is: - * watermark = (trunc(latency/line time)+1) * surface width * - * bytes per pixel - * where - * line time = htotal / dotclock - * surface width = hdisplay for normal plane and 64 for cursor - * and latency is assumed to be high, as above. - * - * The final value programmed to the register should always be rounded up, - * and include an extra 2 entries to account for clock crossings. - * - * We don't use the sprite, so we can ignore that. And on Crestline we have - * to set the non-SR watermarks to 8. - */ -void intel_update_watermarks(struct intel_crtc *crtc) -{ - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - - if (dev_priv->display.update_wm) - dev_priv->display.update_wm(crtc); -} - void intel_enable_ipc(struct drm_i915_private *dev_priv) { u32 val; @@ -7909,7 +7869,7 @@ static void i830_init_clock_gating(struct drm_i915_private *dev_priv) void intel_init_clock_gating(struct drm_i915_private *dev_priv) { - dev_priv->display.init_clock_gating(dev_priv); + dev_priv->clock_gating_funcs->init_clock_gating(dev_priv); } void intel_suspend_hw(struct drm_i915_private *dev_priv) @@ -7924,6 +7884,36 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv) "No clock gating settings or workarounds applied.\n"); } +#define CG_FUNCS(platform) \ +static const struct drm_i915_clock_gating_funcs platform##_clock_gating_funcs = { \ + .init_clock_gating = platform##_init_clock_gating, \ +} + +CG_FUNCS(adlp); +CG_FUNCS(dg1); +CG_FUNCS(gen12lp); +CG_FUNCS(icl); +CG_FUNCS(cfl); +CG_FUNCS(skl); +CG_FUNCS(kbl); +CG_FUNCS(bxt); +CG_FUNCS(glk); +CG_FUNCS(bdw); +CG_FUNCS(chv); +CG_FUNCS(hsw); +CG_FUNCS(ivb); +CG_FUNCS(vlv); +CG_FUNCS(gen6); +CG_FUNCS(ilk); +CG_FUNCS(g4x); +CG_FUNCS(i965gm); +CG_FUNCS(i965g); +CG_FUNCS(gen3); +CG_FUNCS(i85x); +CG_FUNCS(i830); +CG_FUNCS(nop); +#undef CG_FUNCS + /** * intel_init_clock_gating_hooks - setup the clock gating hooks * @dev_priv: device private @@ -7936,55 +7926,100 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv) void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) { if (IS_ALDERLAKE_P(dev_priv)) - dev_priv->display.init_clock_gating = adlp_init_clock_gating; + dev_priv->clock_gating_funcs = &adlp_clock_gating_funcs; else if (IS_DG1(dev_priv)) - dev_priv->display.init_clock_gating = dg1_init_clock_gating; + dev_priv->clock_gating_funcs = &dg1_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 12) - dev_priv->display.init_clock_gating = gen12lp_init_clock_gating; + dev_priv->clock_gating_funcs = &gen12lp_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 11) - dev_priv->display.init_clock_gating = icl_init_clock_gating; + dev_priv->clock_gating_funcs = &icl_clock_gating_funcs; else if (IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv)) - dev_priv->display.init_clock_gating = cfl_init_clock_gating; + dev_priv->clock_gating_funcs = &cfl_clock_gating_funcs; else if (IS_SKYLAKE(dev_priv)) - dev_priv->display.init_clock_gating = skl_init_clock_gating; + dev_priv->clock_gating_funcs = &skl_clock_gating_funcs; else if (IS_KABYLAKE(dev_priv)) - dev_priv->display.init_clock_gating = kbl_init_clock_gating; + dev_priv->clock_gating_funcs = &kbl_clock_gating_funcs; else if (IS_BROXTON(dev_priv)) - dev_priv->display.init_clock_gating = bxt_init_clock_gating; + dev_priv->clock_gating_funcs = &bxt_clock_gating_funcs; else if (IS_GEMINILAKE(dev_priv)) - dev_priv->display.init_clock_gating = glk_init_clock_gating; + dev_priv->clock_gating_funcs = &glk_clock_gating_funcs; else if (IS_BROADWELL(dev_priv)) - dev_priv->display.init_clock_gating = bdw_init_clock_gating; + dev_priv->clock_gating_funcs = &bdw_clock_gating_funcs; else if (IS_CHERRYVIEW(dev_priv)) - dev_priv->display.init_clock_gating = chv_init_clock_gating; + dev_priv->clock_gating_funcs = &chv_clock_gating_funcs; else if (IS_HASWELL(dev_priv)) - dev_priv->display.init_clock_gating = hsw_init_clock_gating; + dev_priv->clock_gating_funcs = &hsw_clock_gating_funcs; else if (IS_IVYBRIDGE(dev_priv)) - dev_priv->display.init_clock_gating = ivb_init_clock_gating; + dev_priv->clock_gating_funcs = &ivb_clock_gating_funcs; else if (IS_VALLEYVIEW(dev_priv)) - dev_priv->display.init_clock_gating = vlv_init_clock_gating; + dev_priv->clock_gating_funcs = &vlv_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 6) - dev_priv->display.init_clock_gating = gen6_init_clock_gating; + dev_priv->clock_gating_funcs = &gen6_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 5) - dev_priv->display.init_clock_gating = ilk_init_clock_gating; + dev_priv->clock_gating_funcs = &ilk_clock_gating_funcs; else if (IS_G4X(dev_priv)) - dev_priv->display.init_clock_gating = g4x_init_clock_gating; + dev_priv->clock_gating_funcs = &g4x_clock_gating_funcs; else if (IS_I965GM(dev_priv)) - dev_priv->display.init_clock_gating = i965gm_init_clock_gating; + dev_priv->clock_gating_funcs = &i965gm_clock_gating_funcs; else if (IS_I965G(dev_priv)) - dev_priv->display.init_clock_gating = i965g_init_clock_gating; + dev_priv->clock_gating_funcs = &i965g_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 3) - dev_priv->display.init_clock_gating = gen3_init_clock_gating; + dev_priv->clock_gating_funcs = &gen3_clock_gating_funcs; else if (IS_I85X(dev_priv) || IS_I865G(dev_priv)) - dev_priv->display.init_clock_gating = i85x_init_clock_gating; + dev_priv->clock_gating_funcs = &i85x_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 2) - dev_priv->display.init_clock_gating = i830_init_clock_gating; + dev_priv->clock_gating_funcs = &i830_clock_gating_funcs; else { MISSING_CASE(INTEL_DEVID(dev_priv)); - dev_priv->display.init_clock_gating = nop_init_clock_gating; + dev_priv->clock_gating_funcs = &nop_clock_gating_funcs; } } +static const struct drm_i915_wm_disp_funcs skl_wm_funcs = { + .compute_global_watermarks = skl_compute_wm, +}; + +static const struct drm_i915_wm_disp_funcs ilk_wm_funcs = { + .compute_pipe_wm = ilk_compute_pipe_wm, + .compute_intermediate_wm = ilk_compute_intermediate_wm, + .initial_watermarks = ilk_initial_watermarks, + .optimize_watermarks = ilk_optimize_watermarks, +}; + +static const struct drm_i915_wm_disp_funcs vlv_wm_funcs = { + .compute_pipe_wm = vlv_compute_pipe_wm, + .compute_intermediate_wm = vlv_compute_intermediate_wm, + .initial_watermarks = vlv_initial_watermarks, + .optimize_watermarks = vlv_optimize_watermarks, + .atomic_update_watermarks = vlv_atomic_update_fifo, +}; + +static const struct drm_i915_wm_disp_funcs g4x_wm_funcs = { + .compute_pipe_wm = g4x_compute_pipe_wm, + .compute_intermediate_wm = g4x_compute_intermediate_wm, + .initial_watermarks = g4x_initial_watermarks, + .optimize_watermarks = g4x_optimize_watermarks, +}; + +static const struct drm_i915_wm_disp_funcs pnv_wm_funcs = { + .update_wm = pnv_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i965_wm_funcs = { + .update_wm = i965_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i9xx_wm_funcs = { + .update_wm = i9xx_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i845_wm_funcs = { + .update_wm = i845_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs nop_funcs = { +}; + /* Set up chip specific power management-related functions */ void intel_init_pm(struct drm_i915_private *dev_priv) { @@ -8000,7 +8035,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv) /* For FIFO watermark updates */ if (DISPLAY_VER(dev_priv) >= 9) { skl_setup_wm_latency(dev_priv); - dev_priv->display.compute_global_watermarks = skl_compute_wm; + dev_priv->wm_disp = &skl_wm_funcs; } else if (HAS_PCH_SPLIT(dev_priv)) { ilk_setup_wm_latency(dev_priv); @@ -8008,31 +8043,19 @@ void intel_init_pm(struct drm_i915_private *dev_priv) dev_priv->wm.spr_latency[1] && dev_priv->wm.cur_latency[1]) || (DISPLAY_VER(dev_priv) != 5 && dev_priv->wm.pri_latency[0] && dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) { - dev_priv->display.compute_pipe_wm = ilk_compute_pipe_wm; - dev_priv->display.compute_intermediate_wm = - ilk_compute_intermediate_wm; - dev_priv->display.initial_watermarks = - ilk_initial_watermarks; - dev_priv->display.optimize_watermarks = - ilk_optimize_watermarks; + dev_priv->wm_disp = &ilk_wm_funcs; } else { drm_dbg_kms(&dev_priv->drm, "Failed to read display plane latency. " "Disable CxSR\n"); + dev_priv->wm_disp = &nop_funcs; } } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { vlv_setup_wm_latency(dev_priv); - dev_priv->display.compute_pipe_wm = vlv_compute_pipe_wm; - dev_priv->display.compute_intermediate_wm = vlv_compute_intermediate_wm; - dev_priv->display.initial_watermarks = vlv_initial_watermarks; - dev_priv->display.optimize_watermarks = vlv_optimize_watermarks; - dev_priv->display.atomic_update_watermarks = vlv_atomic_update_fifo; + dev_priv->wm_disp = &vlv_wm_funcs; } else if (IS_G4X(dev_priv)) { g4x_setup_wm_latency(dev_priv); - dev_priv->display.compute_pipe_wm = g4x_compute_pipe_wm; - dev_priv->display.compute_intermediate_wm = g4x_compute_intermediate_wm; - dev_priv->display.initial_watermarks = g4x_initial_watermarks; - dev_priv->display.optimize_watermarks = g4x_optimize_watermarks; + dev_priv->wm_disp = &g4x_wm_funcs; } else if (IS_PINEVIEW(dev_priv)) { if (!intel_get_cxsr_latency(!IS_MOBILE(dev_priv), dev_priv->is_ddr3, @@ -8046,25 +8069,22 @@ void intel_init_pm(struct drm_i915_private *dev_priv) dev_priv->fsb_freq, dev_priv->mem_freq); /* Disable CxSR and never update its watermark again */ intel_set_memory_cxsr(dev_priv, false); - dev_priv->display.update_wm = NULL; + dev_priv->wm_disp = &nop_funcs; } else - dev_priv->display.update_wm = pnv_update_wm; + dev_priv->wm_disp = &pnv_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 4) { - dev_priv->display.update_wm = i965_update_wm; + dev_priv->wm_disp = &i965_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 3) { - dev_priv->display.update_wm = i9xx_update_wm; - dev_priv->display.get_fifo_size = i9xx_get_fifo_size; + dev_priv->wm_disp = &i9xx_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 2) { - if (INTEL_NUM_PIPES(dev_priv) == 1) { - dev_priv->display.update_wm = i845_update_wm; - dev_priv->display.get_fifo_size = i845_get_fifo_size; - } else { - dev_priv->display.update_wm = i9xx_update_wm; - dev_priv->display.get_fifo_size = i830_get_fifo_size; - } + if (INTEL_NUM_PIPES(dev_priv) == 1) + dev_priv->wm_disp = &i845_wm_funcs; + else + dev_priv->wm_disp = &i9xx_wm_funcs; } else { drm_err(&dev_priv->drm, "unexpected fall-through in %s\n", __func__); + dev_priv->wm_disp = &nop_funcs; } } diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h index 91f23b7f0af2..990cdcaf85ce 100644 --- a/drivers/gpu/drm/i915/intel_pm.h +++ b/drivers/gpu/drm/i915/intel_pm.h @@ -8,7 +8,6 @@ #include <linux/types.h> -#include "display/intel_bw.h" #include "display/intel_display.h" #include "display/intel_global_state.h" @@ -19,6 +18,7 @@ struct drm_device; struct drm_i915_private; struct i915_request; struct intel_atomic_state; +struct intel_bw_state; struct intel_crtc; struct intel_crtc_state; struct intel_plane; @@ -29,7 +29,6 @@ struct skl_wm_level; void intel_init_clock_gating(struct drm_i915_private *dev_priv); void intel_suspend_hw(struct drm_i915_private *dev_priv); int ilk_wm_max_level(const struct drm_i915_private *dev_priv); -void intel_update_watermarks(struct intel_crtc *crtc); void intel_init_pm(struct drm_i915_private *dev_priv); void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv); void intel_pm_setup(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.h b/drivers/gpu/drm/i915/intel_runtime_pm.h index 183ea2b187fe..47a85fab4130 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.h +++ b/drivers/gpu/drm/i915/intel_runtime_pm.h @@ -8,8 +8,6 @@ #include <linux/types.h> -#include "display/intel_display.h" - #include "intel_wakeref.h" #include "i915_utils.h" diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 6b38bc2811c1..f1b816ebcdf6 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -36,6 +36,12 @@ #define __raw_posting_read(...) ((void)__raw_uncore_read32(__VA_ARGS__)) +static void +fw_domains_get(struct intel_uncore *uncore, enum forcewake_domains fw_domains) +{ + uncore->fw_get_funcs->force_wake_get(uncore, fw_domains); +} + void intel_uncore_mmio_debug_init_early(struct intel_uncore_mmio_debug *mmio_debug) { @@ -248,7 +254,7 @@ fw_domain_put(const struct intel_uncore_forcewake_domain *d) } static void -fw_domains_get(struct intel_uncore *uncore, enum forcewake_domains fw_domains) +fw_domains_get_normal(struct intel_uncore *uncore, enum forcewake_domains fw_domains) { struct intel_uncore_forcewake_domain *d; unsigned int tmp; @@ -340,7 +346,7 @@ static void __gen6_gt_wait_for_thread_c0(struct intel_uncore *uncore) static void fw_domains_get_with_thread_status(struct intel_uncore *uncore, enum forcewake_domains fw_domains) { - fw_domains_get(uncore, fw_domains); + fw_domains_get_normal(uncore, fw_domains); /* WaRsForcewakeWaitTC0:snb,ivb,hsw,bdw,vlv */ __gen6_gt_wait_for_thread_c0(uncore); @@ -396,7 +402,7 @@ intel_uncore_fw_release_timer(struct hrtimer *timer) GEM_BUG_ON(!domain->wake_count); if (--domain->wake_count == 0) - uncore->funcs.force_wake_put(uncore, domain->mask); + fw_domains_put(uncore, domain->mask); spin_unlock_irqrestore(&uncore->lock, irqflags); @@ -454,7 +460,7 @@ intel_uncore_forcewake_reset(struct intel_uncore *uncore) fw = uncore->fw_domains_active; if (fw) - uncore->funcs.force_wake_put(uncore, fw); + fw_domains_put(uncore, fw); fw_domains_reset(uncore, uncore->fw_domains); assert_forcewakes_inactive(uncore); @@ -562,7 +568,7 @@ static void forcewake_early_sanitize(struct intel_uncore *uncore, intel_uncore_forcewake_reset(uncore); if (restore_forcewake) { spin_lock_irq(&uncore->lock); - uncore->funcs.force_wake_get(uncore, restore_forcewake); + fw_domains_get(uncore, restore_forcewake); if (intel_uncore_has_fifo(uncore)) uncore->fifo_count = fifo_free_entries(uncore); @@ -623,7 +629,7 @@ static void __intel_uncore_forcewake_get(struct intel_uncore *uncore, } if (fw_domains) - uncore->funcs.force_wake_get(uncore, fw_domains); + fw_domains_get(uncore, fw_domains); } /** @@ -644,7 +650,7 @@ void intel_uncore_forcewake_get(struct intel_uncore *uncore, { unsigned long irqflags; - if (!uncore->funcs.force_wake_get) + if (!uncore->fw_get_funcs) return; assert_rpm_wakelock_held(uncore->rpm); @@ -711,7 +717,7 @@ void intel_uncore_forcewake_get__locked(struct intel_uncore *uncore, { lockdep_assert_held(&uncore->lock); - if (!uncore->funcs.force_wake_get) + if (!uncore->fw_get_funcs) return; __intel_uncore_forcewake_get(uncore, fw_domains); @@ -733,7 +739,7 @@ static void __intel_uncore_forcewake_put(struct intel_uncore *uncore, continue; } - uncore->funcs.force_wake_put(uncore, domain->mask); + fw_domains_put(uncore, domain->mask); } } @@ -750,7 +756,7 @@ void intel_uncore_forcewake_put(struct intel_uncore *uncore, { unsigned long irqflags; - if (!uncore->funcs.force_wake_put) + if (!uncore->fw_get_funcs) return; spin_lock_irqsave(&uncore->lock, irqflags); @@ -769,7 +775,7 @@ void intel_uncore_forcewake_flush(struct intel_uncore *uncore, struct intel_uncore_forcewake_domain *domain; unsigned int tmp; - if (!uncore->funcs.force_wake_put) + if (!uncore->fw_get_funcs) return; fw_domains &= uncore->fw_domains; @@ -793,7 +799,7 @@ void intel_uncore_forcewake_put__locked(struct intel_uncore *uncore, { lockdep_assert_held(&uncore->lock); - if (!uncore->funcs.force_wake_put) + if (!uncore->fw_get_funcs) return; __intel_uncore_forcewake_put(uncore, fw_domains); @@ -801,7 +807,7 @@ void intel_uncore_forcewake_put__locked(struct intel_uncore *uncore, void assert_forcewakes_inactive(struct intel_uncore *uncore) { - if (!uncore->funcs.force_wake_get) + if (!uncore->fw_get_funcs) return; drm_WARN(&uncore->i915->drm, uncore->fw_domains_active, @@ -818,7 +824,7 @@ void assert_forcewakes_active(struct intel_uncore *uncore, if (!IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)) return; - if (!uncore->funcs.force_wake_get) + if (!uncore->fw_get_funcs) return; spin_lock_irq(&uncore->lock); @@ -1605,7 +1611,7 @@ static noinline void ___force_wake_auto(struct intel_uncore *uncore, for_each_fw_domain_masked(domain, fw_domains, uncore, tmp) fw_domain_arm_timer(domain); - uncore->funcs.force_wake_get(uncore, fw_domains); + fw_domains_get(uncore, fw_domains); } static inline void __force_wake_auto(struct intel_uncore *uncore, @@ -1866,6 +1872,18 @@ static void intel_uncore_fw_domains_fini(struct intel_uncore *uncore) fw_domain_fini(uncore, d->id); } +static const struct intel_uncore_fw_get uncore_get_fallback = { + .force_wake_get = fw_domains_get_with_fallback +}; + +static const struct intel_uncore_fw_get uncore_get_normal = { + .force_wake_get = fw_domains_get_normal, +}; + +static const struct intel_uncore_fw_get uncore_get_thread_status = { + .force_wake_get = fw_domains_get_with_thread_status +}; + static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) { struct drm_i915_private *i915 = uncore->i915; @@ -1881,8 +1899,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) intel_engine_mask_t emask = INTEL_INFO(i915)->platform_engine_mask; int i; - uncore->funcs.force_wake_get = fw_domains_get_with_fallback; - uncore->funcs.force_wake_put = fw_domains_put; + uncore->fw_get_funcs = &uncore_get_fallback; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE_RENDER_GEN9, FORCEWAKE_ACK_RENDER_GEN9); @@ -1907,8 +1924,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) FORCEWAKE_ACK_MEDIA_VEBOX_GEN11(i)); } } else if (IS_GRAPHICS_VER(i915, 9, 10)) { - uncore->funcs.force_wake_get = fw_domains_get_with_fallback; - uncore->funcs.force_wake_put = fw_domains_put; + uncore->fw_get_funcs = &uncore_get_fallback; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE_RENDER_GEN9, FORCEWAKE_ACK_RENDER_GEN9); @@ -1918,16 +1934,13 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) fw_domain_init(uncore, FW_DOMAIN_ID_MEDIA, FORCEWAKE_MEDIA_GEN9, FORCEWAKE_ACK_MEDIA_GEN9); } else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) { - uncore->funcs.force_wake_get = fw_domains_get; - uncore->funcs.force_wake_put = fw_domains_put; + uncore->fw_get_funcs = &uncore_get_normal; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE_VLV, FORCEWAKE_ACK_VLV); fw_domain_init(uncore, FW_DOMAIN_ID_MEDIA, FORCEWAKE_MEDIA_VLV, FORCEWAKE_ACK_MEDIA_VLV); } else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) { - uncore->funcs.force_wake_get = - fw_domains_get_with_thread_status; - uncore->funcs.force_wake_put = fw_domains_put; + uncore->fw_get_funcs = &uncore_get_thread_status; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE_MT, FORCEWAKE_ACK_HSW); } else if (IS_IVYBRIDGE(i915)) { @@ -1942,9 +1955,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) * (correctly) interpreted by the test below as MT * forcewake being disabled. */ - uncore->funcs.force_wake_get = - fw_domains_get_with_thread_status; - uncore->funcs.force_wake_put = fw_domains_put; + uncore->fw_get_funcs = &uncore_get_thread_status; /* We need to init first for ECOBUS access and then * determine later if we want to reinit, in case of MT access is @@ -1975,9 +1986,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) FORCEWAKE, FORCEWAKE_ACK); } } else if (GRAPHICS_VER(i915) == 6) { - uncore->funcs.force_wake_get = - fw_domains_get_with_thread_status; - uncore->funcs.force_wake_put = fw_domains_put; + uncore->fw_get_funcs = &uncore_get_thread_status; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE, FORCEWAKE_ACK); } @@ -2186,8 +2195,7 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) } /* make sure fw funcs are set if and only if we have fw*/ - GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.force_wake_get); - GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.force_wake_put); + GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->fw_get_funcs); GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.read_fw_domains); GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.write_fw_domains); diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index 3c0b0a8b5250..1a7448f5f16f 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -84,12 +84,12 @@ enum forcewake_domains { FORCEWAKE_ALL = BIT(FW_DOMAIN_ID_COUNT) - 1, }; -struct intel_uncore_funcs { +struct intel_uncore_fw_get { void (*force_wake_get)(struct intel_uncore *uncore, enum forcewake_domains domains); - void (*force_wake_put)(struct intel_uncore *uncore, - enum forcewake_domains domains); +}; +struct intel_uncore_funcs { enum forcewake_domains (*read_fw_domains)(struct intel_uncore *uncore, i915_reg_t r); enum forcewake_domains (*write_fw_domains)(struct intel_uncore *uncore, @@ -137,6 +137,7 @@ struct intel_uncore { unsigned int fw_domains_table_entries; struct notifier_block pmic_bus_access_nb; + const struct intel_uncore_fw_get *fw_get_funcs; struct intel_uncore_funcs funcs; unsigned int fifo_count; diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 8ea8f079cde2..edca3703b964 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -47,6 +47,8 @@ static bool use_bgrt = true; static bool request_mem_succeeded = false; static u64 mem_flags = EFI_MEMORY_WC | EFI_MEMORY_UC; +static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */ + static struct fb_var_screeninfo efifb_defined = { .activate = FB_ACTIVATE_NOW, .height = -1, @@ -243,6 +245,9 @@ static inline void efifb_show_boot_graphics(struct fb_info *info) {} static void efifb_destroy(struct fb_info *info) { + if (efifb_pci_dev) + pm_runtime_put(&efifb_pci_dev->dev); + if (info->screen_base) { if (mem_flags & (EFI_MEMORY_UC | EFI_MEMORY_WC)) iounmap(info->screen_base); @@ -333,7 +338,6 @@ ATTRIBUTE_GROUPS(efifb); static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */ -static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */ static struct resource *bar_resource; static u64 bar_offset; @@ -569,17 +573,22 @@ static int efifb_probe(struct platform_device *dev) pr_err("efifb: cannot allocate colormap\n"); goto err_groups; } + + if (efifb_pci_dev) + WARN_ON(pm_runtime_get_sync(&efifb_pci_dev->dev) < 0); + err = register_framebuffer(info); if (err < 0) { pr_err("efifb: cannot register framebuffer\n"); - goto err_fb_dealoc; + goto err_put_rpm_ref; } fb_info(info, "%s frame buffer device\n", info->fix.id); - if (efifb_pci_dev) - pm_runtime_get_sync(&efifb_pci_dev->dev); return 0; -err_fb_dealoc: +err_put_rpm_ref: + if (efifb_pci_dev) + pm_runtime_put(&efifb_pci_dev->dev); + fb_dealloc_cmap(&info->cmap); err_groups: sysfs_remove_groups(&dev->dev.kobj, efifb_groups); @@ -603,8 +612,6 @@ static int efifb_remove(struct platform_device *pdev) unregister_framebuffer(info); sysfs_remove_groups(&pdev->dev.kobj, efifb_groups); framebuffer_release(info); - if (efifb_pci_dev) - pm_runtime_put(&efifb_pci_dev->dev); return 0; } diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 79fa34e5ccdb..379746d3266f 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -590,6 +590,18 @@ struct drm_display_info { * @monitor_range: Frequency range supported by monitor range descriptor */ struct drm_monitor_range_info monitor_range; + + /** + * @mso_stream_count: eDP Multi-SST Operation (MSO) stream count from + * the DisplayID VESA vendor block. 0 for conventional Single-Stream + * Transport (SST), or 2 or 4 MSO streams. + */ + u8 mso_stream_count; + + /** + * @mso_pixel_overlap: eDP MSO segment pixel overlap, 0-8 pixels. + */ + u8 mso_pixel_overlap; }; int drm_display_info_set_bus_formats(struct drm_display_info *info, diff --git a/include/drm/drm_displayid.h b/include/drm/drm_displayid.h index ec64d141f578..7ffbd9f7bfc7 100644 --- a/include/drm/drm_displayid.h +++ b/include/drm/drm_displayid.h @@ -23,38 +23,71 @@ #define DRM_DISPLAYID_H #include <linux/types.h> +#include <linux/bits.h> struct edid; -#define DATA_BLOCK_PRODUCT_ID 0x00 -#define DATA_BLOCK_DISPLAY_PARAMETERS 0x01 -#define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02 -#define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03 -#define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04 -#define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05 -#define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06 -#define DATA_BLOCK_VESA_TIMING 0x07 -#define DATA_BLOCK_CEA_TIMING 0x08 -#define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09 -#define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a -#define DATA_BLOCK_GP_ASCII_STRING 0x0b -#define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c -#define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d -#define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e -#define DATA_BLOCK_DISPLAY_INTERFACE 0x0f -#define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10 -#define DATA_BLOCK_TILED_DISPLAY 0x12 -#define DATA_BLOCK_CTA 0x81 - -#define DATA_BLOCK_VENDOR_SPECIFIC 0x7f - -#define PRODUCT_TYPE_EXTENSION 0 -#define PRODUCT_TYPE_TEST 1 -#define PRODUCT_TYPE_PANEL 2 -#define PRODUCT_TYPE_MONITOR 3 -#define PRODUCT_TYPE_TV 4 -#define PRODUCT_TYPE_REPEATER 5 -#define PRODUCT_TYPE_DIRECT_DRIVE 6 +#define VESA_IEEE_OUI 0x3a0292 + +/* DisplayID Structure versions */ +#define DISPLAY_ID_STRUCTURE_VER_12 0x12 +#define DISPLAY_ID_STRUCTURE_VER_20 0x20 + +/* DisplayID Structure v1r2 Data Blocks */ +#define DATA_BLOCK_PRODUCT_ID 0x00 +#define DATA_BLOCK_DISPLAY_PARAMETERS 0x01 +#define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02 +#define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03 +#define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04 +#define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05 +#define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06 +#define DATA_BLOCK_VESA_TIMING 0x07 +#define DATA_BLOCK_CEA_TIMING 0x08 +#define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09 +#define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a +#define DATA_BLOCK_GP_ASCII_STRING 0x0b +#define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c +#define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d +#define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e +#define DATA_BLOCK_DISPLAY_INTERFACE 0x0f +#define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10 +#define DATA_BLOCK_TILED_DISPLAY 0x12 +#define DATA_BLOCK_VENDOR_SPECIFIC 0x7f +#define DATA_BLOCK_CTA 0x81 + +/* DisplayID Structure v2r0 Data Blocks */ +#define DATA_BLOCK_2_PRODUCT_ID 0x20 +#define DATA_BLOCK_2_DISPLAY_PARAMETERS 0x21 +#define DATA_BLOCK_2_TYPE_7_DETAILED_TIMING 0x22 +#define DATA_BLOCK_2_TYPE_8_ENUMERATED_TIMING 0x23 +#define DATA_BLOCK_2_TYPE_9_FORMULA_TIMING 0x24 +#define DATA_BLOCK_2_DYNAMIC_VIDEO_TIMING 0x25 +#define DATA_BLOCK_2_DISPLAY_INTERFACE_FEATURES 0x26 +#define DATA_BLOCK_2_STEREO_DISPLAY_INTERFACE 0x27 +#define DATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY 0x28 +#define DATA_BLOCK_2_CONTAINER_ID 0x29 +#define DATA_BLOCK_2_VENDOR_SPECIFIC 0x7e +#define DATA_BLOCK_2_CTA_DISPLAY_ID 0x81 + +/* DisplayID Structure v1r2 Product Type */ +#define PRODUCT_TYPE_EXTENSION 0 +#define PRODUCT_TYPE_TEST 1 +#define PRODUCT_TYPE_PANEL 2 +#define PRODUCT_TYPE_MONITOR 3 +#define PRODUCT_TYPE_TV 4 +#define PRODUCT_TYPE_REPEATER 5 +#define PRODUCT_TYPE_DIRECT_DRIVE 6 + +/* DisplayID Structure v2r0 Display Product Primary Use Case (~Product Type) */ +#define PRIMARY_USE_EXTENSION 0 +#define PRIMARY_USE_TEST 1 +#define PRIMARY_USE_GENERIC 2 +#define PRIMARY_USE_TV 3 +#define PRIMARY_USE_DESKTOP_PRODUCTIVITY 4 +#define PRIMARY_USE_DESKTOP_GAMING 5 +#define PRIMARY_USE_PRESENTATION 6 +#define PRIMARY_USE_HEAD_MOUNTED_VR 7 +#define PRIMARY_USE_HEAD_MOUNTED_AR 8 struct displayid_header { u8 rev; @@ -96,6 +129,16 @@ struct displayid_detailed_timing_block { struct displayid_detailed_timings_1 timings[]; }; +#define DISPLAYID_VESA_MSO_OVERLAP GENMASK(3, 0) +#define DISPLAYID_VESA_MSO_MODE GENMASK(6, 5) + +struct displayid_vesa_vendor_specific_block { + struct displayid_block base; + u8 oui[3]; + u8 data_structure_type; + u8 mso; +} __packed; + /* DisplayID iteration */ struct displayid_iter { const struct edid *edid; diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index a1df35aa6e68..b52df4db3e8f 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1339,6 +1339,10 @@ struct drm_panel; #define DP_MAX_LANE_COUNT_PHY_REPEATER 0xf0004 /* 1.4a */ #define DP_Repeater_FEC_CAPABILITY 0xf0004 /* 1.4 */ #define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT 0xf0005 /* 1.4a */ +#define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xf0006 /* 2.0 */ +# define DP_PHY_REPEATER_128B132B_SUPPORTED (1 << 0) +/* See DP_128B132B_SUPPORTED_LINK_RATES for values */ +#define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */ enum drm_dp_phy { DP_PHY_DPRX, @@ -1510,6 +1514,8 @@ u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE], int lane); u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE], int lane); +u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE], + int lane); u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE], unsigned int lane); diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h index eee18fa53b54..c00ac54692d7 100644 --- a/include/drm/i915_pciids.h +++ b/include/drm/i915_pciids.h @@ -632,18 +632,16 @@ INTEL_VGA_DEVICE(0x4905, info), \ INTEL_VGA_DEVICE(0x4906, info), \ INTEL_VGA_DEVICE(0x4907, info), \ - INTEL_VGA_DEVICE(0x4908, info) + INTEL_VGA_DEVICE(0x4908, info), \ + INTEL_VGA_DEVICE(0x4909, info) /* ADL-S */ #define INTEL_ADLS_IDS(info) \ INTEL_VGA_DEVICE(0x4680, info), \ - INTEL_VGA_DEVICE(0x4681, info), \ INTEL_VGA_DEVICE(0x4682, info), \ - INTEL_VGA_DEVICE(0x4683, info), \ INTEL_VGA_DEVICE(0x4688, info), \ - INTEL_VGA_DEVICE(0x4689, info), \ + INTEL_VGA_DEVICE(0x468A, info), \ INTEL_VGA_DEVICE(0x4690, info), \ - INTEL_VGA_DEVICE(0x4691, info), \ INTEL_VGA_DEVICE(0x4692, info), \ INTEL_VGA_DEVICE(0x4693, info) |