drm/amdgpu: use kernel fence for last_pt_update

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>
This commit is contained in:
Chunming Zhou 2015-08-03 18:19:38 +08:00 • committed by Alex Deucher
commit bb1e38a4be
3 changed files with 15 additions and 15 deletions