Commits
Chunming Zhou committed 40019dc4a32
drm/amdgpu: clean up ring_backup code, no need more Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>