drm/xe/xe_sync.c

114 			struct xe_sync_entry *sync,
141 		sync->syncobj = drm_syncobj_find(xef->drm, sync_in.handle);
142 		if (XE_IOCTL_DBG(xe, !sync->syncobj))
146 			sync->fence = drm_syncobj_fence_get(sync->syncobj);
147 			if (XE_IOCTL_DBG(xe, !sync->fence))
162 		sync->syncobj = drm_syncobj_find(xef->drm, sync_in.handle);
163 		if (XE_IOCTL_DBG(xe, !sync->syncobj))
167 			sync->chain_fence = dma_fence_chain_alloc();
168 			if (!sync->chain_fence)
171 			sync->fence = drm_syncobj_fence_get(sync->syncobj);
172 			if (XE_IOCTL_DBG(xe, !sync->fence))
175 			err = dma_fence_chain_find_seqno(&sync->fence,
193 			sync->addr = sync_in.addr;
195 			sync->ufence = user_fence_create(xe, sync_in.addr,
197 			if (XE_IOCTL_DBG(xe, IS_ERR(sync->ufence)))
198 				return PTR_ERR(sync->ufence);
207 	sync->type = sync_in.type;
208 	sync->flags = sync_in.flags;
209 	sync->timeline_value = sync_in.timeline_value;
215 int xe_sync_entry_add_deps(struct xe_sync_entry *sync, struct xe_sched_job *job)
217 	if (sync->fence)
219 						     dma_fence_get(sync->fence));
224 void xe_sync_entry_signal(struct xe_sync_entry *sync, struct dma_fence *fence)
226 	if (!(sync->flags & DRM_XE_SYNC_FLAG_SIGNAL))
229 	if (sync->chain_fence) {
230 		drm_syncobj_add_point(sync->syncobj, sync->chain_fence,
231 				      fence, sync->timeline_value);
236 		sync->chain_fence = NULL;
237 	} else if (sync->syncobj) {
238 		drm_syncobj_replace_fence(sync->syncobj, fence);
239 	} else if (sync->ufence) {
243 		user_fence_get(sync->ufence);
244 		err = dma_fence_add_callback(fence, &sync->ufence->cb,
247 			kick_ufence(sync->ufence, fence);
250 			user_fence_put(sync->ufence);
256 void xe_sync_entry_cleanup(struct xe_sync_entry *sync)
258 	if (sync->syncobj)
259 		drm_syncobj_put(sync->syncobj);
260 	dma_fence_put(sync->fence);
261 	dma_fence_chain_free(sync->chain_fence);
262 	if (sync->ufence)
263 		user_fence_put(sync->ufence);
268  * @sync: input syncs
281 xe_sync_in_fence_get(struct xe_sync_entry *sync, int num_sync,
293 		if (sync[i].fence) {
295 			fence = sync[i].fence;
310 		if (sync[i].fence) {
311 			dma_fence_get(sync[i].fence);
312 			fences[current_fence++] = sync[i].fence;
352  * xe_sync_ufence_get() - Get user fence from sync
353  * @sync: input sync
355  * Get a user fence reference from sync.
359 struct xe_user_fence *xe_sync_ufence_get(struct xe_sync_entry *sync)
361 	user_fence_get(sync->ufence);
363 	return sync->ufence;