drm/amd/powerplay: add mvdd dpm support.

SMC requires master switch bit to be set.

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 2016-06-27 17:30:24 +08:00 • committed by Alex Deucher
commit 696b2d7370