amd-drm-fixes-5.13-2021-06-21

Alex Deucher

@adeucher

ee5468b9 · Revert "drm/amdgpu/gfx9: fix the doorbell missing when in CGPG issue." · Jun 21, 2021

amd-drm-fixes-5.13-2021-06-21:

amdgpu:
- Revert GFX9, 10 doorbell fixes, we just
  end up trading one bug for another
- Potential memory corruption fix in framebuffer handling