218 	struct etnaviv_vram_mapping *mapping;  in etnaviv_gem_get_vram_mapping()  local
220 	list_for_each_entry(mapping, &obj->vram_list, obj_node) {  in etnaviv_gem_get_vram_mapping()
221 		if (mapping->context == context)  in etnaviv_gem_get_vram_mapping()
222 			return mapping;  in etnaviv_gem_get_vram_mapping()
228 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping)  in etnaviv_gem_mapping_unreference()  argument
230 	struct etnaviv_gem_object *etnaviv_obj = mapping->object;  in etnaviv_gem_mapping_unreference()
233 	WARN_ON(mapping->use == 0);  in etnaviv_gem_mapping_unreference()
234 	mapping->use -= 1;  in etnaviv_gem_mapping_unreference()
245 	struct etnaviv_vram_mapping *mapping;  in etnaviv_gem_mapping_get()  local
250 	mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, mmu_context);  in etnaviv_gem_mapping_get()
251 	if (mapping) {  in etnaviv_gem_mapping_get()
258 		if (mapping->use == 0) {  in etnaviv_gem_mapping_get()
260 			if (mapping->context == mmu_context)  in etnaviv_gem_mapping_get()
261 				if (va && mapping->iova != va) {  in etnaviv_gem_mapping_get()
262 					etnaviv_iommu_reap_mapping(mapping);  in etnaviv_gem_mapping_get()
263 					mapping = NULL;  in etnaviv_gem_mapping_get()
265 					mapping->use += 1;  in etnaviv_gem_mapping_get()
268 				mapping = NULL;  in etnaviv_gem_mapping_get()
270 			if (mapping)  in etnaviv_gem_mapping_get()
273 			mapping->use += 1;  in etnaviv_gem_mapping_get()
288 	mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, NULL);  in etnaviv_gem_mapping_get()
289 	if (!mapping) {  in etnaviv_gem_mapping_get()
290 		mapping = kzalloc(sizeof(*mapping), GFP_KERNEL);  in etnaviv_gem_mapping_get()
291 		if (!mapping) {  in etnaviv_gem_mapping_get()
296 		INIT_LIST_HEAD(&mapping->scan_node);  in etnaviv_gem_mapping_get()
297 		mapping->object = etnaviv_obj;  in etnaviv_gem_mapping_get()
299 		list_del(&mapping->obj_node);  in etnaviv_gem_mapping_get()
302 	mapping->use = 1;  in etnaviv_gem_mapping_get()
306 				    mapping, va);  in etnaviv_gem_mapping_get()
308 		kfree(mapping);  in etnaviv_gem_mapping_get()
310 		list_add_tail(&mapping->obj_node, &etnaviv_obj->vram_list);  in etnaviv_gem_mapping_get()
320 	return mapping;  in etnaviv_gem_mapping_get()
492 	struct etnaviv_vram_mapping *mapping, *tmp;  in etnaviv_gem_free_object()  local
501 	list_for_each_entry_safe(mapping, tmp, &etnaviv_obj->vram_list,  in etnaviv_gem_free_object()
503 		struct etnaviv_iommu_context *context = mapping->context;  in etnaviv_gem_free_object()
505 		WARN_ON(mapping->use);  in etnaviv_gem_free_object()
508 			etnaviv_iommu_unmap_gem(context, mapping);  in etnaviv_gem_free_object()
510 		list_del(&mapping->obj_node);  in etnaviv_gem_free_object()
511 		kfree(mapping);  in etnaviv_gem_free_object()