drm/amd/pm: label these APIs used internally as static

Also drop unnecessary header file and declarations.

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 2021-03-19 14:00:15 +08:00 • committed by Alex Deucher
commit c6ce68e676
7 changed files with 98 additions and 136 deletions