diff options
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 41 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 18 |
2 files changed, 41 insertions, 18 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 6b8c5cd690a..ae06e421cf9 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -319,6 +319,26 @@ struct ttm_bo_driver { struct page *dummy_read_page); /** + * ttm_tt_populate + * + * @ttm: The struct ttm_tt to contain the backing pages. + * + * Allocate all backing pages + * Returns: + * -ENOMEM: Out of memory. + */ + int (*ttm_tt_populate)(struct ttm_tt *ttm); + + /** + * ttm_tt_unpopulate + * + * @ttm: The struct ttm_tt to contain the backing pages. + * + * Free all backing page + */ + void (*ttm_tt_unpopulate)(struct ttm_tt *ttm); + + /** * struct ttm_bo_driver member invalidate_caches * * @bdev: the buffer object device. @@ -585,15 +605,6 @@ extern int ttm_tt_init(struct ttm_tt *ttm, struct ttm_bo_device *bdev, extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem); /** - * ttm_tt_populate: - * - * @ttm: The struct ttm_tt to contain the backing pages. - * - * Add backing pages to all of @ttm - */ -extern int ttm_tt_populate(struct ttm_tt *ttm); - -/** * ttm_ttm_destroy: * * @ttm: The struct ttm_tt. @@ -612,19 +623,13 @@ extern void ttm_tt_destroy(struct ttm_tt *ttm); extern void ttm_tt_unbind(struct ttm_tt *ttm); /** - * ttm_ttm_destroy: + * ttm_tt_swapin: * * @ttm: The struct ttm_tt. - * @index: Index of the desired page. * - * Return a pointer to the struct page backing @ttm at page - * index @index. If the page is unpopulated, one will be allocated to - * populate that index. - * - * Returns: - * NULL on OOM. + * Swap in a previously swap out ttm_tt. */ -extern struct page *ttm_tt_get_page(struct ttm_tt *ttm, int index); +extern int ttm_tt_swapin(struct ttm_tt *ttm); /** * ttm_tt_cache_flush: diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index fe61c8d8568..18deeee2349 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -68,6 +68,24 @@ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages); void ttm_page_alloc_fini(void); /** + * ttm_pool_populate: + * + * @ttm: The struct ttm_tt to contain the backing pages. + * + * Add backing pages to all of @ttm + */ +extern int ttm_pool_populate(struct ttm_tt *ttm); + +/** + * ttm_pool_unpopulate: + * + * @ttm: The struct ttm_tt which to free backing pages. + * + * Free all pages of @ttm + */ +extern void ttm_pool_unpopulate(struct ttm_tt *ttm); + +/** * Output the state of pools to debugfs file */ extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data); |