[PATCH 14/31] drm/amd/display: Fix in overriding DP drive settings
Rodrigo Siqueira
Rodrigo.Siqueira at amd.com
Fri Jun 17 19:34:55 UTC 2022
From: George Shen <george.shen at amd.com>
[Why & How]
Check always_match_dpcd_with_hw_lane_settings bit before
overriding the DP drive settings
Reviewed-by: Wenjing Liu <Wenjing.Liu at amd.com>
Acked-by: Alan Liu <HaoPing.Liu at amd.com>
Signed-off-by: George Shen <george.shen at amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 5 +++--
1 file 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)
--
2.25.1
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