diff options
| author | Evgenii Krasnikov <Evgenii.Krasnikov@amd.com> | 2022-05-17 14:21:24 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-05 16:13:11 -0400 |
| commit | b3859b16d27fa58f99ad6221ea427dac7d751e70 (patch) | |
| tree | 818a523e45e834ee52973fe111e821dcc6a8a356 | |
| parent | fff7eb56b376cadc58af14df286009086cc4d80f (diff) | |
| download | linux-b3859b16d27fa58f99ad6221ea427dac7d751e70.tar.gz | |
drm/amd/display: add an option to skip wait for HPD when powering on eDP panel
[HOW/WHY] Add an option to skip edp_wait_for_hpd_ready when necessary Reviewed-by: Jayendran Ramani <Jayendran.Ramani@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Evgenii Krasnikov <Evgenii.Krasnikov@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 6 |
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 1982ec0b55d4..e0660e7356c9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -6971,13 +6971,14 @@ bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx) dc_is_dp_signal(pipe_ctx->stream->signal)); } -void edp_panel_backlight_power_on(struct dc_link *link) +void edp_panel_backlight_power_on(struct dc_link *link, bool wait_for_hpd) { if (link->connector_signal != SIGNAL_TYPE_EDP) return; link->dc->hwss.edp_power_control(link, true); - link->dc->hwss.edp_wait_for_hpd_ready(link, true); + if (wait_for_hpd) + link->dc->hwss.edp_wait_for_hpd_ready(link, true); if (link->dc->hwss.edp_backlight_control) link->dc->hwss.edp_backlight_control(link, true); } diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index 44f167d2584f..aaa17d4dd46b 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -193,6 +193,7 @@ enum dc_status dpcd_configure_lttpr_mode( struct link_training_settings *lt_settings); enum dp_link_encoding dp_get_link_encoding_format(const struct dc_link_settings *link_settings); +bool dp_retrieve_lttpr_cap(struct dc_link *link); bool dpcd_write_128b_132b_sst_payload_allocation_table( const struct dc_stream_state *stream, struct dc_link *link, @@ -214,11 +215,10 @@ void enable_dp_hpo_output(struct dc_link *link, void disable_dp_hpo_output(struct dc_link *link, const struct link_resource *link_res, enum signal_type signal); + void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable); bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx); - -bool dp_retrieve_lttpr_cap(struct dc_link *link); -void edp_panel_backlight_power_on(struct dc_link *link); +void edp_panel_backlight_power_on(struct dc_link *link, bool wait_for_hpd); void dp_receiver_power_ctrl(struct dc_link *link, bool on); void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode); void dp_enable_link_phy( |