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>
This commit is contained in:
Chunming Zhou 2016-06-29 16:01:49 +08:00 • committed by Alex Deucher
commit 40019dc4a3
3 changed files with 2 additions and 103 deletions