drm/amdgpu: add new callback to check power state info

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-10-17 13:49:27 +08:00 • committed by Alex Deucher
commit fbebf2c6bc