amdgpu_sync_get_fence
((tmp = amdgpu_sync_get_fence(&job->sched_sync, NULL)) ||
fence = amdgpu_sync_get_fence(&job->sync, &explicit);
fence = amdgpu_sync_get_fence(&job->sync, NULL);
struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync, bool *explicit);