drm/amdgpu: move locking into the functions who need it

Otherwise the locking becomes rather confusing.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk.Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed