diff options
| author | Shen, George <George.Shen@amd.com> | 2021-11-15 22:38:18 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-01 17:05:26 -0500 |
| commit | ef548afe05f8d8c5af0fc44b035d5283156f8b03 (patch) | |
| tree | f0bd0b6e0911b841a1eee0549e4e91530fa894a1 /drivers/gpu/drm/amd | |
| parent | 94ebc035456a4ccacfbbef60c444079a256623ad (diff) | |
drm/amd/display: Clear DPCD lane settings after repeater training
[Why]
VS and PE requested by repeater should not persist for the sink.
[How]
Clear DPCD lane settings after repeater link training finishes.
Reviewed-by: Wesley Chalmers <wesley.chalmers@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: George Shen <George.Shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 |
1 files changed, 1 insertions, 1 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 cb7bf9148904..13bc69d6b679 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 @@ -2138,7 +2138,7 @@ static enum link_training_result dp_perform_8b_10b_link_training( } for (lane = 0; lane < (uint8_t)lt_settings->link_settings.lane_count; lane++) - lt_settings->dpcd_lane_settings[lane].bits.VOLTAGE_SWING_SET = VOLTAGE_SWING_LEVEL0; + lt_settings->dpcd_lane_settings[lane].raw = 0; } if (status == LINK_TRAINING_SUCCESS) { |