amdgpu_bo_sync_wait
ret = amdgpu_bo_sync_wait(vm->root.bo,
amdgpu_bo_sync_wait(bo, AMDGPU_FENCE_OWNER_KFD, false);
amdgpu_bo_sync_wait(bo, AMDGPU_FENCE_OWNER_KFD, false);
int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
r = amdgpu_bo_sync_wait(vm->root.bo,
r = amdgpu_bo_sync_wait(bo, AMDGPU_FENCE_OWNER_KFD, false);