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authorThomas Hellstrom <thellstrom@vmware.com>2014-01-03 11:47:23 +0100
committerThomas Hellstrom <thellstrom@vmware.com>2014-01-08 10:08:28 +0100
commit58aa6622d32af7d2c08d45085f44c54554a16ed7 (patch)
treeb24e02d873a323a79cc86b27a9c21fe80f2cc54f /include/drm
parent667a50db0477d47fdff01c666f5ee1ce26b5264c (diff)
downloadlinux-linaro-stable-58aa6622d32af7d2c08d45085f44c54554a16ed7.tar.gz
drm/ttm: Correctly set page mapping and -index members
Needed for some vm operations; most notably unmap_mapping_range() with even_cows = 0. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 8639c85d61c4..32d34ebf0706 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -681,6 +681,15 @@ extern int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
extern int ttm_tt_swapout(struct ttm_tt *ttm,
struct file *persistent_swap_storage);
+/**
+ * ttm_tt_unpopulate - free pages from a ttm
+ *
+ * @ttm: Pointer to the ttm_tt structure
+ *
+ * Calls the driver method to free all pages from a ttm
+ */
+extern void ttm_tt_unpopulate(struct ttm_tt *ttm);
+
/*
* ttm_bo.c
*/