Merge tag 'amd-drm-fixes-5.12-2021-04-21' of https://gitlab.freedesktop.org/agd5f...

amd-drm-fixes-5.12-2021-04-21:

amdgpu:
- Fix gpuvm page table update issue
- Modifier fixes
- Register fix for dimgrey cavefish

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421220456.3839-1-alexander.deucher@amd.com