drm/amdgpu: enable sysfs interface for powerplay

Same interface exposed in pre-powerplay dpm code.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2015-11-10 18:29:11 -05:00 • committed by Alex Deucher
commit 8804b8d5b0