diff options
| author | Shen, George <[email protected]> | 2021-11-15 22:38:18 -0500 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-12-01 16:05:26 -0500 |
| commit | aba3c3fede54e55573954fa7a7e28ec304557e50 (patch) | |
| tree | 6fc85a130507bfda83ebfb4983d931ff0f421678 | |
| parent | 9311ed1e12417c81e1764d7656d97d9d459f9c5a (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 <[email protected]>
Acked-by: Bhawanpreet Lakha <[email protected]>
Signed-off-by: George Shen <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -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 61aa68014bc3..b0fcabf8baf9 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) { |