Merge tag 'amd-drm-fixes-5.12-2021-04-08' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-5.12-2021-04-08:

amdgpu:
- DCN3 fix
- Fix CAC setting regression for TOPAZ
- Fix ttm regression

radeon:
- Fix ttm regression

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210408045512.3879-1-alexander.deucher@amd.com