drm/amd/pp: Implement update_dpm_settings on Polaris

v2: lock dpm level when update pptable by SW method

use SW method to update DPM settings by updating SRAM
directly on Polaris.

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 2018-01-24 17:15:37 +08:00 • committed by Alex Deucher
commit 2107f58090