drm/amdgpu: add workaround for S3 issues on some vega10 boards
authorKen Wang <Ken.Wang@amd.com>
Tue, 4 Jul 2017 05:11:52 +0000 (13:11 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 14 Jul 2017 15:06:06 +0000 (11:06 -0400)
commit47ed4e1c93a6c73f313022369c12ddd693890715
tree3e822ce6750a35088368b8134a15353a82dc01c2
parent4426826c02dc367ec3c245ef5c5ca4dcdb45b4c8
drm/amdgpu: add workaround for S3 issues on some vega10 boards

Certain MC registers need a delay after writing them to properly
update in the init sequence.

Signed-off-by: Ken Wang <Ken.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c