drm/amd/display: Add symclk workaround during disable link output
authorLeo Chen <sancchen@amd.com>
Wed, 26 Apr 2023 20:02:28 +0000 (16:02 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 11 May 2023 05:08:00 +0000 (01:08 -0400)
commitf57fa0f23d9707747272b0d09af8b93b19cf8ee4
tree0fff2b1377a8a85e931d7c02f81100400b293536
parent58d9b9a14b47c2a3da6effcbb01607ad7edc0275
drm/amd/display: Add symclk workaround during disable link output

[Why & How]
This is originally a change (9c75891f) in DCN32 because of the lack
of interface to set TX while keeping symclk on. Adding this workaround
to DCN314 will resolve the current issue.

Fixes: 9c75891feef0 ("drm/amd/display: rework recent update PHY state commit")
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Leo Chen <sancchen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c