144 	struct dma_fence *fence;  member
181 	struct dma_fence *fence;  in drm_syncobj_fence_add_wait()  local
183 	if (wait->fence)  in drm_syncobj_fence_add_wait()
191 	fence = dma_fence_get(rcu_dereference_protected(syncobj->fence, 1));  in drm_syncobj_fence_add_wait()
192 	if (!fence || dma_fence_chain_find_seqno(&fence, wait->point)) {  in drm_syncobj_fence_add_wait()
193 		dma_fence_put(fence);  in drm_syncobj_fence_add_wait()
195 	} else if (!fence) {  in drm_syncobj_fence_add_wait()
196 		wait->fence = dma_fence_get_stub();  in drm_syncobj_fence_add_wait()
198 		wait->fence = fence;  in drm_syncobj_fence_add_wait()
225 			   struct dma_fence *fence,  in drm_syncobj_add_point()  argument
231 	dma_fence_get(fence);  in drm_syncobj_add_point()
239 	dma_fence_chain_init(chain, prev, fence, point);  in drm_syncobj_add_point()
240 	rcu_assign_pointer(syncobj->fence, &chain->base);  in drm_syncobj_add_point()
247 	dma_fence_chain_for_each(fence, prev);  in drm_syncobj_add_point()
260 			       struct dma_fence *fence)  in drm_syncobj_replace_fence()  argument
265 	if (fence)  in drm_syncobj_replace_fence()
266 		dma_fence_get(fence);  in drm_syncobj_replace_fence()
270 	old_fence = rcu_dereference_protected(syncobj->fence,  in drm_syncobj_replace_fence()
272 	rcu_assign_pointer(syncobj->fence, fence);  in drm_syncobj_replace_fence()
274 	if (fence != old_fence) {  in drm_syncobj_replace_fence()
293 	struct dma_fence *fence = dma_fence_get_stub();  in drm_syncobj_assign_null_handle()  local
295 	drm_syncobj_replace_fence(syncobj, fence);  in drm_syncobj_assign_null_handle()
296 	dma_fence_put(fence);  in drm_syncobj_assign_null_handle()
318 			   struct dma_fence **fence)  in drm_syncobj_find_fence()  argument
328 	*fence = drm_syncobj_fence_get(syncobj);  in drm_syncobj_find_fence()
331 	if (*fence) {  in drm_syncobj_find_fence()
332 		ret = dma_fence_chain_find_seqno(fence, point);  in drm_syncobj_find_fence()
335 		dma_fence_put(*fence);  in drm_syncobj_find_fence()
350 		if (wait.fence) {  in drm_syncobj_find_fence()
368 	*fence = wait.fence;  in drm_syncobj_find_fence()
406 		       struct dma_fence *fence)  in drm_syncobj_create()  argument
421 	if (fence)  in drm_syncobj_create()
422 		drm_syncobj_replace_fence(syncobj, fence);  in drm_syncobj_create()
594 	struct dma_fence *fence = sync_file_get_fence(fd);  in drm_syncobj_import_sync_file_fence()  local
597 	if (!fence)  in drm_syncobj_import_sync_file_fence()
602 		dma_fence_put(fence);  in drm_syncobj_import_sync_file_fence()
606 	drm_syncobj_replace_fence(syncobj, fence);  in drm_syncobj_import_sync_file_fence()
607 	dma_fence_put(fence);  in drm_syncobj_import_sync_file_fence()
616 	struct dma_fence *fence;  in drm_syncobj_export_sync_file()  local
623 	ret = drm_syncobj_find_fence(file_private, handle, 0, 0, &fence);  in drm_syncobj_export_sync_file()
627 	sync_file = sync_file_create(fence);  in drm_syncobj_export_sync_file()
629 	dma_fence_put(fence);  in drm_syncobj_export_sync_file()
768 	struct dma_fence *fence;  in drm_syncobj_transfer_to_timeline()  local
778 				     &fence);  in drm_syncobj_transfer_to_timeline()
786 	drm_syncobj_add_point(timeline_syncobj, chain, fence, args->dst_point);  in drm_syncobj_transfer_to_timeline()
788 	dma_fence_put(fence);  in drm_syncobj_transfer_to_timeline()
800 	struct dma_fence *fence;  in drm_syncobj_transfer_to_binary()  local
807 				     args->src_point, args->flags, &fence);  in drm_syncobj_transfer_to_binary()
810 	drm_syncobj_replace_fence(binary_syncobj, fence);  in drm_syncobj_transfer_to_binary()
811 	dma_fence_put(fence);  in drm_syncobj_transfer_to_binary()
838 static void syncobj_wait_fence_func(struct dma_fence *fence,  in syncobj_wait_fence_func()  argument
850 	struct dma_fence *fence;  in syncobj_wait_syncobj_func()  local
853 	fence = rcu_dereference_protected(syncobj->fence,  in syncobj_wait_syncobj_func()
855 	dma_fence_get(fence);  in syncobj_wait_syncobj_func()
856 	if (!fence || dma_fence_chain_find_seqno(&fence, wait->point)) {  in syncobj_wait_syncobj_func()
857 		dma_fence_put(fence);  in syncobj_wait_syncobj_func()
859 	} else if (!fence) {  in syncobj_wait_syncobj_func()
860 		wait->fence = dma_fence_get_stub();  in syncobj_wait_syncobj_func()
862 		wait->fence = fence;  in syncobj_wait_syncobj_func()
877 	struct dma_fence *fence;  in drm_syncobj_array_wait_timeout()  local
906 		struct dma_fence *fence;  in drm_syncobj_array_wait_timeout()  local
910 		fence = drm_syncobj_fence_get(syncobjs[i]);  in drm_syncobj_array_wait_timeout()
911 		if (!fence || dma_fence_chain_find_seqno(&fence, points[i])) {  in drm_syncobj_array_wait_timeout()
912 			dma_fence_put(fence);  in drm_syncobj_array_wait_timeout()
921 		if (fence)  in drm_syncobj_array_wait_timeout()
922 			entries[i].fence = fence;  in drm_syncobj_array_wait_timeout()
924 			entries[i].fence = dma_fence_get_stub();  in drm_syncobj_array_wait_timeout()
927 		    dma_fence_is_signaled(entries[i].fence)) {  in drm_syncobj_array_wait_timeout()
956 			fence = entries[i].fence;  in drm_syncobj_array_wait_timeout()
957 			if (!fence)  in drm_syncobj_array_wait_timeout()
961 			    dma_fence_is_signaled(fence) ||  in drm_syncobj_array_wait_timeout()
963 			     dma_fence_add_callback(fence,  in drm_syncobj_array_wait_timeout()
1000 			dma_fence_remove_callback(entries[i].fence,  in drm_syncobj_array_wait_timeout()
1002 		dma_fence_put(entries[i].fence);  in drm_syncobj_array_wait_timeout()
1325 		struct dma_fence *fence = dma_fence_get_stub();  in drm_syncobj_timeline_signal_ioctl()  local
1328 				      fence, points[i]);  in drm_syncobj_timeline_signal_ioctl()
1329 		dma_fence_put(fence);  in drm_syncobj_timeline_signal_ioctl()
1368 		struct dma_fence *fence;  in drm_syncobj_query_ioctl()  local
1371 		fence = drm_syncobj_fence_get(syncobjs[i]);  in drm_syncobj_query_ioctl()
1372 		chain = to_dma_fence_chain(fence);  in drm_syncobj_query_ioctl()
1376 			dma_fence_chain_for_each(iter, fence) {  in drm_syncobj_query_ioctl()
1377 				if (iter->context != fence->context) {  in drm_syncobj_query_ioctl()