drm/amd/powerplay: refine code to avoid potential bug that the memory not cleared.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-02-06 12:58:57 +08:00 • committed by Alex Deucher
commit 4d8d44c6ce