drm/amdgpu: remove now unused fence functions

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-10-26 13:22:33 +01:00 • committed by Alex Deucher
commit a67bcd34f6