diff options
| author |   George Shen <george.shen@amd.com> | 2021-10-06 15:47:37 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-06-21 18:17:23 -0400 |
| commit | 95133f41b090b09ba9163b4469cda1d5ee230cd3 (patch) | |
| tree | 623c5603945f2d906f1bcabe86b5856ecbc1faa3 /drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | |
| parent | drm/amd/display: Enrich the log in MST payload update (diff) | |
| download | linux-dev-95133f41b090b09ba9163b4469cda1d5ee230cd3.tar.xz linux-dev-95133f41b090b09ba9163b4469cda1d5ee230cd3.zip | |
drm/amd/display: Fix in overriding DP drive settings
[Why & How]
Check always_match_dpcd_with_hw_lane_settings bit before
overriding the DP drive settings
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@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/dc/core/dc_link_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 5 |
1 files changed, 3 insertions, 2 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 ef771471aa39..9f873d2cdcad 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 @@ -1674,8 +1674,9 @@ static void override_training_settings( : POST_CURSOR2_DISABLED; } - dp_hw_to_dpcd_lane_settings(lt_settings, - lt_settings->hw_lane_settings, lt_settings->dpcd_lane_settings); + if (lt_settings->always_match_dpcd_with_hw_lane_settings) + dp_hw_to_dpcd_lane_settings(lt_settings, + lt_settings->hw_lane_settings, lt_settings->dpcd_lane_settings); /* Initialize training timings */ if (overrides->cr_pattern_time != NULL) |