drm/amd/display: only blank dp stream which will be powered off

[why]
blank all dp stream would impact edp

[how]
only blank the one which will be powered off

Signed-off-by: Xiaodong Yan <Xiaodong.Yan@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaodong Yan 2020-04-05 16:40:51 -04:00 • committed by Alex Deucher
commit 8d9c07b0eb