228 	struct etnaviv_vram_mapping *mapping;  in etnaviv_gem_get_vram_mapping()  local
230 	list_for_each_entry(mapping, &obj->vram_list, obj_node) {  in etnaviv_gem_get_vram_mapping()
231 		if (mapping->context == context)  in etnaviv_gem_get_vram_mapping()
232 			return mapping;  in etnaviv_gem_get_vram_mapping()
238 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping)  in etnaviv_gem_mapping_unreference()  argument
240 	struct etnaviv_gem_object *etnaviv_obj = mapping->object;  in etnaviv_gem_mapping_unreference()
243 	WARN_ON(mapping->use == 0);  in etnaviv_gem_mapping_unreference()
244 	mapping->use -= 1;  in etnaviv_gem_mapping_unreference()
255 	struct etnaviv_vram_mapping *mapping;  in etnaviv_gem_mapping_get()  local
260 	mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, mmu_context);  in etnaviv_gem_mapping_get()
261 	if (mapping) {  in etnaviv_gem_mapping_get()
268 		if (mapping->use == 0) {  in etnaviv_gem_mapping_get()
270 			if (mapping->context == mmu_context)  in etnaviv_gem_mapping_get()
271 				mapping->use += 1;  in etnaviv_gem_mapping_get()
273 				mapping = NULL;  in etnaviv_gem_mapping_get()
275 			if (mapping)  in etnaviv_gem_mapping_get()
278 			mapping->use += 1;  in etnaviv_gem_mapping_get()
293 	mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, NULL);  in etnaviv_gem_mapping_get()
294 	if (!mapping) {  in etnaviv_gem_mapping_get()
295 		mapping = kzalloc(sizeof(*mapping), GFP_KERNEL);  in etnaviv_gem_mapping_get()
296 		if (!mapping) {  in etnaviv_gem_mapping_get()
301 		INIT_LIST_HEAD(&mapping->scan_node);  in etnaviv_gem_mapping_get()
302 		mapping->object = etnaviv_obj;  in etnaviv_gem_mapping_get()
304 		list_del(&mapping->obj_node);  in etnaviv_gem_mapping_get()
308 	mapping->context = mmu_context;  in etnaviv_gem_mapping_get()
309 	mapping->use = 1;  in etnaviv_gem_mapping_get()
313 				    mapping, va);  in etnaviv_gem_mapping_get()
316 		kfree(mapping);  in etnaviv_gem_mapping_get()
318 		list_add_tail(&mapping->obj_node, &etnaviv_obj->vram_list);  in etnaviv_gem_mapping_get()
329 	return mapping;  in etnaviv_gem_mapping_get()
522 	struct etnaviv_vram_mapping *mapping, *tmp;  in etnaviv_gem_free_object()  local
531 	list_for_each_entry_safe(mapping, tmp, &etnaviv_obj->vram_list,  in etnaviv_gem_free_object()
533 		struct etnaviv_iommu_context *context = mapping->context;  in etnaviv_gem_free_object()
535 		WARN_ON(mapping->use);  in etnaviv_gem_free_object()
538 			etnaviv_iommu_unmap_gem(context, mapping);  in etnaviv_gem_free_object()
542 		list_del(&mapping->obj_node);  in etnaviv_gem_free_object()
543 		kfree(mapping);  in etnaviv_gem_free_object()