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(parent: aac3ece) | patch
drm/amd/display: blank dp stream before re-train the link
authorXiaodong Yan <Xiaodong.Yan@amd.com>
Thu, 9 Apr 2020 09:37:40 +0000 (17:37 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 22 Apr 2020 22:11:48 +0000 (18:11 -0400)
commit61a291a8eaf83b9449f5e157edce5519e140ed6f
tree3280ced51d88f6ccf1a65f7b68ea94a95179dfb4tree | snapshot
parentaac3eceda14e0cfa6dbec5fb27c9aff3404a1018commit | diff
drm/amd/display: blank dp stream before re-train the link

[Why]
When link loss happened, monitor can not light up if only re-train the
link.

[How]
Blank all the DP streams on this link before re-train the link, and then
unblank the stream

Signed-off-by: Xiaodong Yan <Xiaodong.Yan@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c diff | blob | history
Linux Kernel Source Tree.