diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_ttm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c index 4200bc1a..4c1b3274 100644 --- a/linux-core/drm_ttm.c +++ b/linux-core/drm_ttm.c @@ -239,6 +239,22 @@ struct page *drm_ttm_get_page(struct drm_ttm *ttm, int index) } EXPORT_SYMBOL(drm_ttm_get_page); +/** + * drm_ttm_set_user: + * + * @ttm: the ttm to map pages to. This must always be + * a freshly created ttm. + * + * @tsk: a pointer to the address space from which to map + * pages. + * + * @write: a boolean indicating that write access is desired + * + * start: the starting address + * + * Map a range of user addresses to a new ttm object. This + * provides access to user memory from the graphics device. + */ int drm_ttm_set_user(struct drm_ttm *ttm, struct task_struct *tsk, int write, |