diff options
| author | George Shen <George.Shen@amd.com> | 2021-11-20 04:03:20 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-07 21:08:01 +0300 |
| commit | d682619557120a5f2d460b822f5ff922435a5261 (patch) | |
| tree | ffb3fb426cc142108f2a4a937f517835349dce16 /drivers/gpu/drm/amd/display | |
| parent | aed1faab9d9563ca5ac5139b0170486027ec74a7 (diff) | |
| download | linux-d682619557120a5f2d460b822f5ff922435a5261.tar.xz | |
drm/amd/display: Apply LTTPR workarounds to non-transparent mode
[Why]
Some of the vendor-specific workarounds added for transparent mode
also need to be applied to non-transparent mode in order to succeed
link training consistently.
[How]
Remove transparent mode check for the required workarounds.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: George Shen <George.Shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 9 |
1 files changed, 5 insertions, 4 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 62510b643882..574a66833387 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 @@ -620,10 +620,12 @@ enum dc_status dpcd_set_link_settings( #endif if (link->dc->debug.apply_vendor_specific_lttpr_wa && (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) && - link->lttpr_mode == LTTPR_MODE_TRANSPARENT) { + link->lttpr_mode == LTTPR_MODE_TRANSPARENT) vendor_specific_lttpr_wa_one_start(link); + + if (link->dc->debug.apply_vendor_specific_lttpr_wa && + (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)) vendor_specific_lttpr_wa_one_two(link, rate); - } status = core_link_write_dpcd(link, DP_LINK_BW_SET, &rate, 1); } @@ -1494,8 +1496,7 @@ static enum link_training_result perform_clock_recovery_sequence( wait_time_microsec = TRAINING_AUX_RD_INTERVAL; if (link->dc->debug.apply_vendor_specific_lttpr_wa && - (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) && - link->lttpr_mode == LTTPR_MODE_TRANSPARENT) { + (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)) { wait_time_microsec = 16000; } |