94 						 struct dma_fence **fence,
100 	*fence = drm_syncobj_fence_get(syncobj);
101 	if (*fence)
109 	if (syncobj->fence) {
110 		*fence = dma_fence_get(syncobj->fence);
113 		*fence = NULL;
163 			       struct dma_fence *fence)  in drm_syncobj_replace_fence()  argument
168 	if (fence)  in drm_syncobj_replace_fence()
169 		dma_fence_get(fence);  in drm_syncobj_replace_fence()
173 	old_fence = syncobj->fence;  in drm_syncobj_replace_fence()
174 	syncobj->fence = fence;  in drm_syncobj_replace_fence()
176 	if (fence != old_fence) {  in drm_syncobj_replace_fence()
194 static const char *drm_syncobj_null_fence_get_name(struct dma_fence *fence)  in drm_syncobj_null_fence_get_name()  argument
199 static bool drm_syncobj_null_fence_enable_signaling(struct dma_fence *fence)  in drm_syncobj_null_fence_enable_signaling()  argument
201     dma_fence_enable_sw_signaling(fence);  in drm_syncobj_null_fence_enable_signaling()
202     return !dma_fence_is_signaled(fence);  in drm_syncobj_null_fence_enable_signaling()
215 	struct drm_syncobj_null_fence *fence;  in drm_syncobj_assign_null_handle()  local
216 	fence = kzalloc(sizeof(*fence), GFP_KERNEL);  in drm_syncobj_assign_null_handle()
217 	if (fence == NULL)  in drm_syncobj_assign_null_handle()
220 	lockinit(&fence->lock, "dsofl", 0, 0);  in drm_syncobj_assign_null_handle()
221 	dma_fence_init(&fence->base, &drm_syncobj_null_fence_ops,  in drm_syncobj_assign_null_handle()
222 		       &fence->lock, 0, 0);  in drm_syncobj_assign_null_handle()
223 	dma_fence_signal(&fence->base);  in drm_syncobj_assign_null_handle()
225 	drm_syncobj_replace_fence(syncobj, &fence->base);  in drm_syncobj_assign_null_handle()
227 	dma_fence_put(&fence->base);  in drm_syncobj_assign_null_handle()
234 			   struct dma_fence **fence)  in drm_syncobj_find_fence()  argument
242 	*fence = drm_syncobj_fence_get(syncobj);  in drm_syncobj_find_fence()
243 	if (!*fence) {  in drm_syncobj_find_fence()
274 		       struct dma_fence *fence)  in drm_syncobj_create()  argument
295 	if (fence)  in drm_syncobj_create()
296 		drm_syncobj_replace_fence(syncobj, fence);  in drm_syncobj_create()
478 	struct dma_fence *fence = sync_file_get_fence(fd);  in drm_syncobj_import_sync_file_fence()  local
481 	if (!fence)  in drm_syncobj_import_sync_file_fence()
486 		dma_fence_put(fence);  in drm_syncobj_import_sync_file_fence()
490 	drm_syncobj_replace_fence(syncobj, fence);  in drm_syncobj_import_sync_file_fence()
491 	dma_fence_put(fence);  in drm_syncobj_import_sync_file_fence()
500 	struct dma_fence *fence;  in drm_syncobj_export_sync_file()  local
507 	ret = drm_syncobj_find_fence(file_private, handle, &fence);  in drm_syncobj_export_sync_file()
511 	sync_file = sync_file_create(fence);  in drm_syncobj_export_sync_file()
513 	dma_fence_put(fence);  in drm_syncobj_export_sync_file()
651 	struct dma_fence *fence;
656 static void syncobj_wait_fence_func(struct dma_fence *fence,
672 	wait->fence = dma_fence_get(syncobj->fence);
683 	struct dma_fence *fence;
699 		entries[i].fence = drm_syncobj_fence_get(syncobjs[i]);
700 		if (!entries[i].fence) {
709 		if (dma_fence_is_signaled(entries[i].fence)) {
737 							      &entries[i].fence,
748 			fence = entries[i].fence;
749 			if (!fence)
752 			if (dma_fence_is_signaled(fence) ||
754 			     dma_fence_add_callback(fence,
794 			dma_fence_remove_callback(entries[i].fence,
796 		dma_fence_put(entries[i].fence);