drm/amd/pp: Add new asic support in pp_psm.c

In new asics(vega12), no power state management in driver,
So no need to implement related callback functions.
and add some ps checks in pp_psm.c

Revert "drm/amd/powerplay: add new pp_psm infrastructure for vega12 (v2)"
This reverts commit 7d1a63f3aa331b853e41f92d0e7890ed31de8c13.

Acked-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>
6 files changed