45  * amdgpu_sync_create - zero init sync object
47  * @sync: sync object to initialize
49  * Just clear the sync object for now.
51 void amdgpu_sync_create(struct amdgpu_sync *sync)  in amdgpu_sync_create()  argument
53 	hash_init(sync->fences);  in amdgpu_sync_create()
54 	sync->last_vm_update = NULL;  in amdgpu_sync_create()
127  * @sync: sync object to add the fence to
133 static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f)  in amdgpu_sync_add_later()  argument
137 	hash_for_each_possible(sync->fences, e, node, f->context) {  in amdgpu_sync_add_later()
148  * amdgpu_sync_fence - remember to sync to this fence
150  * @sync: sync object to add fence to
151  * @f: fence to sync to
153  * Add the fence to the sync object.
155 int amdgpu_sync_fence(struct amdgpu_sync *sync, struct dma_fence *f)  in amdgpu_sync_fence()  argument
162 	if (amdgpu_sync_add_later(sync, f))  in amdgpu_sync_fence()
169 	hash_add(sync->fences, &e->node, f->context);  in amdgpu_sync_fence()
175  * amdgpu_sync_vm_fence - remember to sync to this VM fence
177  * @sync: sync object to add fence to
180  * Add the fence to the sync object and remember it as VM update.
182 int amdgpu_sync_vm_fence(struct amdgpu_sync *sync, struct dma_fence *fence)  in amdgpu_sync_vm_fence()  argument
187 	amdgpu_sync_keep_later(&sync->last_vm_update, fence);  in amdgpu_sync_vm_fence()
188 	return amdgpu_sync_fence(sync, fence);  in amdgpu_sync_vm_fence()
191 /* Determine based on the owner and mode if we should sync to a fence or not */
198 	/* Always sync to moves, no matter what */  in amdgpu_sync_test_fence()
209 	/* Never sync to VM updates either. */  in amdgpu_sync_test_fence()
214 	/* Ignore fences depending on the sync mode */  in amdgpu_sync_test_fence()
236 	     "Adding eviction fence to sync obj");  in amdgpu_sync_test_fence()
241  * amdgpu_sync_resv - sync to a reservation object
244  * @sync: sync object to add fences from reservation object to
246  * @mode: how owner affects which fences we sync to
249  * Sync to the fence
251 int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,  in amdgpu_sync_resv()  argument
263 	/* always sync to the exclusive fence */  in amdgpu_sync_resv()
270 			r = amdgpu_sync_fence(sync, f);  in amdgpu_sync_resv()
287 			r = amdgpu_sync_fence(sync, f);  in amdgpu_sync_resv()
298  * @sync: the sync object
301  * Returns the next fence not signaled yet without removing it from the sync
304 struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,  in amdgpu_sync_peek_fence()  argument
311 	hash_for_each_safe(sync->fences, i, tmp, e, node) {  in amdgpu_sync_peek_fence()
340  * amdgpu_sync_get_fence - get the next fence from the sync object
342  * @sync: sync object to use
344  * Get and removes the next fence from the sync object not signaled yet.
346 struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync)  in amdgpu_sync_get_fence()  argument
352 	hash_for_each_safe(sync->fences, i, tmp, e, node) {  in amdgpu_sync_get_fence()
368  * amdgpu_sync_clone - clone a sync object
370  * @source: sync object to clone
371  * @clone: pointer to destination sync object
402 int amdgpu_sync_wait(struct amdgpu_sync *sync, bool intr)  in amdgpu_sync_wait()  argument
408 	hash_for_each_safe(sync->fences, i, tmp, e, node) {  in amdgpu_sync_wait()
422  * amdgpu_sync_free - free the sync object
424  * @sync: sync object to use
426  * Free the sync object.
428 void amdgpu_sync_free(struct amdgpu_sync *sync)  in amdgpu_sync_free()  argument
434 	hash_for_each_safe(sync->fences, i, tmp, e, node) {  in amdgpu_sync_free()
440 	dma_fence_put(sync->last_vm_update);  in amdgpu_sync_free()
444  * amdgpu_sync_init - init sync object subsystem
460  * amdgpu_sync_fini - fini sync object subsystem