drm/amdgpu: fix a amdgpu_dpm=0 bug

Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sonny Jiang 2015-06-10 13:46:36 -04:00 • committed by Alex Deucher
commit 6d8db6ce23