drm/amd/display: DP training to set properly SCRAMBLING_DISABLE
authorVladimir Stempen <vladimir.stempen@amd.com>
Tue, 28 Apr 2020 17:04:35 +0000 (13:04 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 20 May 2020 21:23:51 +0000 (17:23 -0400)
commitb6ef55ccba7ed00fc10e3e6f619c8f886162427f
tree57044057679110f5b68ffab00be7529f8675c992
parent5a3f610877e9d08968ea7237551049581f02b163
drm/amd/display: DP training to set properly SCRAMBLING_DISABLE

[Why]
DP training sequence to set SCRAMBLING_DISABLE bit properly based on
training pattern - per DP Spec.

[How]
Update dpcd_pattern.v1_4.SCRAMBLING_DISABLE with 1 for TPS1, TPS2, TPS3,
but not for TPS4.

Signed-off-by: Vladimir Stempen <vladimir.stempen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@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