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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>
Thu, 21 May 2020 16:48:43 +0000 (12:48 -0400)
commit7d1ee78f033a1b478cfa78eb4e11dd40e060f977
tree01a9d3dc98e37aa1380d431e679008bccfb5145f
parentc38606ab1250aad05829e0daa8fa9a002161eb2a
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