35  * radeon_sync_create - zero init sync object
37  * @sync: sync object to initialize
39  * Just clear the sync object for now.
41 void radeon_sync_create(struct radeon_sync *sync)  in radeon_sync_create()  argument
46 		sync->semaphores[i] = NULL;  in radeon_sync_create()
49 		sync->sync_to[i] = NULL;  in radeon_sync_create()
51 	sync->last_vm_update = NULL;  in radeon_sync_create()
55  * radeon_sync_fence - use the semaphore to sync to a fence
57  * @sync: sync object to add fence to
58  * @fence: fence to sync to
60  * Sync to the fence using the semaphore objects
62 void radeon_sync_fence(struct radeon_sync *sync,  in radeon_sync_fence()  argument
70 	other = sync->sync_to[fence->ring];  in radeon_sync_fence()
71 	sync->sync_to[fence->ring] = radeon_fence_later(fence, other);  in radeon_sync_fence()
74 		other = sync->last_vm_update;  in radeon_sync_fence()
75 		sync->last_vm_update = radeon_fence_later(fence, other);  in radeon_sync_fence()
80  * radeon_sync_resv - use the semaphores to sync to a reservation object
83  * @sync: sync object to add fences from reservation object to
85  * @shared: true if we should only sync to the exclusive fence
87  * Sync to the fence using the semaphore objects
90 		     struct radeon_sync *sync,  in radeon_sync_resv()  argument
102 			radeon_sync_fence(sync, fence);  in radeon_sync_resv()
112  * radeon_sync_rings - sync ring to all registered fences
115  * @sync: sync object to use
116  * @ring: ring that needs sync
122 		      struct radeon_sync *sync,  in radeon_sync_rings()  argument
129 		struct radeon_fence *fence = sync->sync_to[i];  in radeon_sync_rings()
132 		/* check if we really need to sync */  in radeon_sync_rings()
153 		sync->semaphores[count++] = semaphore;  in radeon_sync_rings()
155 		/* allocate enough space for sync command */  in radeon_sync_rings()
188  * radeon_sync_free - free the sync object
191  * @sync: sync object to use
194  * Free the sync object by freeing all semaphores in it.
197 		      struct radeon_sync *sync,  in radeon_sync_free()  argument
203 		radeon_semaphore_free(rdev, &sync->semaphores[i], fence);  in radeon_sync_free()