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| author | Aric Cyr <aric.cyr@amd.com> | 2020-07-06 22:07:46 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-21 15:37:39 -0400 |
| commit | 07bf2f2d369de08c75b3190882f2ddf3c626c2d1 (patch) | |
| tree | 92483a0f990be29b42b30cd4ff959593a5693e1c /drivers/gpu/drm | |
| parent | 05cac1ae8ffbc5d835213ff2f9d7b8998c1f532f (diff) | |
| download | linux-stable-07bf2f2d369de08c75b3190882f2ddf3c626c2d1.tar.gz linux-stable-07bf2f2d369de08c75b3190882f2ddf3c626c2d1.tar.bz2 linux-stable-07bf2f2d369de08c75b3190882f2ddf3c626c2d1.zip | |
drm/amd/display: remove unhelpful 5ms delay
[Why]
Scaler vendor confirmed the 5ms was not helpful so no point in keeping
it.
[How]
Revert 5ms delay after setting training pattern.
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Ashley Thomas <Ashley.Thomas2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 |
1 files changed, 0 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 1f94591ce5fb..af3c4b353c37 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 @@ -1104,10 +1104,6 @@ static inline enum link_training_result perform_link_training_int( dpcd_pattern.v1_4.TRAINING_PATTERN_SET = DPCD_TRAINING_PATTERN_VIDEOIDLE; dpcd_set_training_pattern(link, dpcd_pattern); - /* delay 5ms after notifying sink of idle pattern before switching output */ - if (link->connector_signal != SIGNAL_TYPE_EDP) - msleep(5); - /* 4. mainlink output idle pattern*/ dp_set_hw_test_pattern(link, DP_TEST_PATTERN_VIDEO_MODE, NULL, 0); |