drm/amd/powerplay: add helper function to get dpm freq informations

this function can help driver to get ppclk informations

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2019-03-27 14:46:20 +08:00 • committed by Alex Deucher
commit 3ac54a5043
2 changed files with 41 additions and 0 deletions