drm/ttm/ttm_pool.c

26 /* Pooling of allocated pages is necessary because changing the caching
139 /* Reset the caching and pages of size 1 << order */
140 static void ttm_pool_free_page(struct ttm_pool *pool, enum ttm_caching caching,
151 	if (caching != ttm_cached && !PageHighMem(p))
232 static void ttm_pool_free_page(struct ttm_pool *pool, enum ttm_caching caching,
241 	if (caching != ttm_cached && !PageHighMem(p))
254 /* Apply a new caching to an array of pages */
256 				  enum ttm_caching caching)
264 	switch (caching) {
388 			       enum ttm_caching caching, unsigned int order)
391 	pt->caching = caching;
413 		ttm_pool_free_page(pt->pool, pt->caching, pt->order, p);
422 /* Return the pool_type to use for the given caching and order */
424 						  enum ttm_caching caching,
428 		return &pool->caching[caching].orders[order];
431 	switch (caching) {
434 			return &pool->caching[caching].orders[order];
442 			return &pool->caching[caching].orders[order];
470 		ttm_pool_free_page(pt->pool, pt->caching, pt->order, p);
524  * @caching: The page caching mode used by the range.
534 				enum ttm_caching caching,
549 		pt = ttm_pool_select_type(pool, caching, order);
553 			ttm_pool_free_page(pool, caching, order, *pages);
574 	struct vm_page **caching = tt->pages;
605 		page_caching = tt->caching;
606 		pt = ttm_pool_select_type(pool, tt->caching, order);
609 			r = ttm_pool_apply_caching(caching, pages,
610 						   tt->caching);
614 			caching = pages;
623 				caching = pages;
636 				r = ttm_pool_apply_caching(caching, pages,
637 							   tt->caching);
640 				caching = pages;
647 				caching = pages;
660 	r = ttm_pool_apply_caching(caching, pages, tt->caching);
671 	caching_divide = caching - tt->pages;
672 	ttm_pool_free_range(pool, tt, tt->caching, 0, caching_divide);
689 	ttm_pool_free_range(pool, tt, tt->caching, 0, tt->num_pages);
725 			if (pt != &pool->caching[i].orders[j])
751 			if (pt != &pool->caching[i].orders[j])
894 		ttm_pool_debugfs_orders(pool->caching[i].orders, m);