drm/amd/powerplay: add function to update overdrive settings

Add function of smu_update_specified_od8_value to modify specified
overdrive value.
Add fucntion of smu_update_od8_settings to update overdrive table.

Signed-off-by: Likun Gao <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Reviewed-by: Kevin Wang <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
3 files changed