drm/amd/powerplay: revise calling chain on retrieving frequency range
Evan Quan authored

This helps to maintain clear code layers and drop unnecessary
parameter.
Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
e5ef784b