drm/amd/pp: Add smu support for VCN powergating on RV

Add the powerplay callback for powergating VCN (same
as UVD and VCE).

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-05-16 20:09:09 +08:00 • committed by Alex Deucher
commit ca0b949463