drm/amd/powerplay: correct Vega20 gfxclk readout under DS

Current implementation cannot report the correct gfxclk under DS.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-01-24 17:50:39 +08:00 • committed by Alex Deucher
commit 28e732dcd4