gpu/drm/drm_syncobj.c

43  *  - Signal a syncobj (set a trivially signaled fence)
44  *  - Wait for a syncobj's fence to appear and be signaled
51  *   - Wait for a given point to appear and/or be signaled
57  * to an already signaled fence depending on whether the
61  * If the syncobj is considered as a binary (its state is either signaled or
64  * signaled by the completion of that work.
69  * &dma_fence_chain fence replace the syncobj's fence and will be signaled by
91  * setting its pointer to a fence which is already signaled.
113  * all of the syncobj fences to be signaled before it returns.
114  * Otherwise, it returns once at least one syncobj fence has been signaled
115  * and the index of a signaled fence is written back to the client.
140  * signaled by using the &DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE flag. This
145  * blocking: an eventfd will be signaled when the syncobj is. This is useful to
404  * Assign a already signaled stub fence to the sync object.
464 			/* If the requested seqno is already signaled  in drm_syncobj_find_fence()
1113 	 * fence is signaled prior to fence->ops->enable_signaling() being  in drm_syncobj_array_wait_timeout()
1148 				/* The fence has been signaled */  in drm_syncobj_array_wait_timeout()
1436 		 * to NULL, it implies that the given seqno is signaled and a  in syncobj_eventfd_entry_func()
1438 		 * so that the eventfd still gets signaled below.  in syncobj_eventfd_entry_func()