84205d009343 ("drm/amdgpu: always flush the TLB on gfx8")
0f12a22f3754 ("drm/amdgpu: Flush TLB after mapping for VG20+XGMI")
5255e146c99a ("drm/amdgpu: rework TLB flushing")
e997b82745a5 ("drm/amdgpu: simplify VM update tracking a bit")