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authorAric Cyr <aric.cyr@amd.com>2020-07-07 05:07:46 +0300
committerAlex Deucher <alexander.deucher@amd.com>2020-07-21 22:37:39 +0300
commit07bf2f2d369de08c75b3190882f2ddf3c626c2d1 (patch)
tree92483a0f990be29b42b30cd4ff959593a5693e1c /drivers/gpu/drm
parent05cac1ae8ffbc5d835213ff2f9d7b8998c1f532f (diff)
downloadlinux-07bf2f2d369de08c75b3190882f2ddf3c626c2d1.tar.xz
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.c4
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);