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| author | Qingqing Zhuo <qingqing.zhuo@amd.com> | 2019-07-31 18:11:16 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-23 11:39:57 -0500 |
| commit | df3b7e32ed459a5348f7b408a9b8142b7358fde8 (patch) | |
| tree | aa87d9c9332fd2b68c06890683dbe638e6b6b791 /drivers/gpu | |
| parent | 7f6e7186f9f44918972874608022975912f03e00 (diff) | |
| download | linux-df3b7e32ed459a5348f7b408a9b8142b7358fde8.tar.gz | |
drm/amd/display: refactor Device ID for external chips
IEEE OUI will now be used while referring to certain vendors. instead of normal index Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/ddc_service_types.h | 10 |
3 files changed, 23 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c index e6da8506128b..505967b48e14 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c @@ -294,7 +294,7 @@ static uint32_t defer_delay_converter_wa( { struct dc_link *link = ddc->link; - if (link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_4 && + if (link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_0080E1 && !memcmp(link->dpcd_caps.branch_dev_name, DP_DVI_CONVERTER_ID_4, sizeof(link->dpcd_caps.branch_dev_name))) 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 2aa44b28b673..40067403b043 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 @@ -2684,13 +2684,13 @@ static void dp_wa_power_up_0010FA(struct dc_link *link, uint8_t *dpcd_data, if (link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER) { switch (link->dpcd_caps.branch_dev_id) { - /* Some active dongles (DP-VGA, DP-DLDVI converters) power down + /* 0010FA active dongles (DP-VGA, DP-DLDVI converters) power down * all internal circuits including AUX communication preventing * reading DPCD table and EDID (spec violation). * Encoder will skip DP RX power down on disable_output to * keep receiver powered all the time.*/ - case DP_BRANCH_DEVICE_ID_1: - case DP_BRANCH_DEVICE_ID_4: + case DP_BRANCH_DEVICE_ID_0010FA: + case DP_BRANCH_DEVICE_ID_0080E1: link->wa_flags.dp_keep_receiver_powered = true; break; @@ -3394,7 +3394,13 @@ enum dp_panel_mode dp_get_panel_mode(struct dc_link *link) if (link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT) { switch (link->dpcd_caps.branch_dev_id) { - case DP_BRANCH_DEVICE_ID_2: + case DP_BRANCH_DEVICE_ID_0022B9: + /* alternate scrambler reset is required for Travis + * for the case when external chip does not + * provide sink device id, alternate scrambler + * scheme will be overriden later by querying + * Encoder features + */ if (strncmp( link->dpcd_caps.branch_dev_name, DP_VGA_LVDS_CONVERTER_ID_2, @@ -3404,7 +3410,12 @@ enum dp_panel_mode dp_get_panel_mode(struct dc_link *link) return DP_PANEL_MODE_SPECIAL; } break; - case DP_BRANCH_DEVICE_ID_3: + case DP_BRANCH_DEVICE_ID_00001A: + /* alternate scrambler reset is required for Travis + * for the case when external chip does not provide + * sink device id, alternate scrambler scheme will + * be overriden later by querying Encoder feature + */ if (strncmp(link->dpcd_caps.branch_dev_name, DP_VGA_LVDS_CONVERTER_ID_3, sizeof( diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h index d968956a10cd..18961707db23 100644 --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h @@ -25,10 +25,12 @@ #ifndef __DAL_DDC_SERVICE_TYPES_H__ #define __DAL_DDC_SERVICE_TYPES_H__ -#define DP_BRANCH_DEVICE_ID_1 0x0010FA -#define DP_BRANCH_DEVICE_ID_2 0x0022B9 -#define DP_BRANCH_DEVICE_ID_3 0x00001A -#define DP_BRANCH_DEVICE_ID_4 0x0080e1 +/* 0010FA dongles (ST Micro) external converter chip id */ +#define DP_BRANCH_DEVICE_ID_0010FA 0x0010FA +/* 0022B9 external converter chip id */ +#define DP_BRANCH_DEVICE_ID_0022B9 0x0022B9 +#define DP_BRANCH_DEVICE_ID_00001A 0x00001A +#define DP_BRANCH_DEVICE_ID_0080E1 0x0080e1 enum ddc_result { DDC_RESULT_UNKNOWN = 0, |