201 			struct i915_vma *vma)  in fence_update()  argument
210 	if (vma) {  in fence_update()
211 		GEM_BUG_ON(!i915_gem_object_get_stride(vma->obj) ||  in fence_update()
212 			   !i915_gem_object_get_tiling(vma->obj));  in fence_update()
214 		if (!i915_vma_is_map_and_fenceable(vma))  in fence_update()
219 			ret = i915_vma_sync(vma);  in fence_update()
224 		GEM_BUG_ON(vma->fence_size > i915_vma_size(vma));  in fence_update()
225 		fence->start = i915_ggtt_offset(vma);  in fence_update()
226 		fence->size = vma->fence_size;  in fence_update()
227 		fence->stride = i915_gem_object_get_stride(vma->obj);  in fence_update()
228 		fence->tiling = i915_gem_object_get_tiling(vma->obj);  in fence_update()
232 	old = xchg(&fence->vma, NULL);  in fence_update()
237 			fence->vma = old;  in fence_update()
247 		if (old != vma) {  in fence_update()
268 		GEM_BUG_ON(vma);  in fence_update()
272 	WRITE_ONCE(fence->vma, vma);  in fence_update()
275 	if (vma) {  in fence_update()
276 		vma->fence = fence;  in fence_update()
291 void i915_vma_revoke_fence(struct i915_vma *vma)  in i915_vma_revoke_fence()  argument
293 	struct i915_fence_reg *fence = vma->fence;  in i915_vma_revoke_fence()
296 	lockdep_assert_held(&vma->vm->mutex);  in i915_vma_revoke_fence()
300 	GEM_BUG_ON(fence->vma != vma);  in i915_vma_revoke_fence()
306 	WRITE_ONCE(fence->vma, NULL);  in i915_vma_revoke_fence()
307 	vma->fence = NULL;  in i915_vma_revoke_fence()
326 	return fence->vma && i915_vma_is_active(fence->vma);  in fence_is_active()
335 		GEM_BUG_ON(fence->vma && fence->vma->fence != fence);  in fence_find()
362 int __i915_vma_pin_fence(struct i915_vma *vma)  in __i915_vma_pin_fence()  argument
364 	struct i915_ggtt *ggtt = i915_vm_to_ggtt(vma->vm);  in __i915_vma_pin_fence()
366 	struct i915_vma *set = i915_gem_object_is_tiled(vma->obj) ? vma : NULL;  in __i915_vma_pin_fence()
369 	lockdep_assert_held(&vma->vm->mutex);  in __i915_vma_pin_fence()
372 	if (vma->fence) {  in __i915_vma_pin_fence()
373 		fence = vma->fence;  in __i915_vma_pin_fence()
374 		GEM_BUG_ON(fence->vma != vma);  in __i915_vma_pin_fence()
395 	GEM_BUG_ON(fence->vma != set);  in __i915_vma_pin_fence()
396 	GEM_BUG_ON(vma->fence != (set ? fence : NULL));  in __i915_vma_pin_fence()
424 int i915_vma_pin_fence(struct i915_vma *vma)  in i915_vma_pin_fence()  argument
428 	if (!vma->fence && !i915_gem_object_is_tiled(vma->obj))  in i915_vma_pin_fence()
435 	assert_rpm_wakelock_held(vma->vm->gt->uncore->rpm);  in i915_vma_pin_fence()
436 	GEM_BUG_ON(!i915_vma_is_ggtt(vma));  in i915_vma_pin_fence()
438 	err = mutex_lock_interruptible(&vma->vm->mutex);  in i915_vma_pin_fence()
442 	err = __i915_vma_pin_fence(vma);  in i915_vma_pin_fence()
443 	mutex_unlock(&vma->vm->mutex);  in i915_vma_pin_fence()
474 	if (fence->vma) {  in i915_reserve_fence()