diff options
Diffstat (limited to 'include/drm/ttm/ttm_tt.h')
| -rw-r--r-- | include/drm/ttm/ttm_tt.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index 3102059db726..818680c6a8ed 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -170,6 +170,19 @@ int ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_oper */ void ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm); +/** + * ttm_tt_mark_for_clear - Mark pages for clearing on populate. + * + * @ttm: Pointer to the ttm_tt structure + * + * Marks pages for clearing so that the next time the page vector is + * populated, the pages will be cleared. + */ +static inline void ttm_tt_mark_for_clear(struct ttm_tt *ttm) +{ + ttm->page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC; +} + void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages); struct ttm_kmap_iter *ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, |