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authorChristian König <christian.koenig@amd.com>2016-04-06 11:12:07 +0200
committerAlex Deucher <alexander.deucher@amd.com>2016-05-04 20:21:38 -0400
commit98c2872ae99bb7c9e8e4369cf48154f41dd6a109 (patch)
treefdbcd77633df61e070604aa07dcb002cefe0dfd8 /include/drm/ttm
parentdrm/ttm: add optional LRU removal callback v2 (diff)
downloadwireguard-linux-98c2872ae99bb7c9e8e4369cf48154f41dd6a109.tar.xz
wireguard-linux-98c2872ae99bb7c9e8e4369cf48154f41dd6a109.zip
drm/ttm: implement LRU add callbacks v2
This allows fine grained control for the driver where to add a BO into the LRU. v2: fix typo in comment Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm/ttm')
-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 542f9212727c..513f7f96b80a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -440,6 +440,12 @@ struct ttm_bo_driver {
* Called with LRU lock held immediately before the removal.
*/
void (*lru_removal)(struct ttm_buffer_object *bo);
+
+ /**
+ * Return the list_head after which a BO should be inserted in the LRU.
+ */
+ struct list_head *(*lru_tail)(struct ttm_buffer_object *bo);
+ struct list_head *(*swap_lru_tail)(struct ttm_buffer_object *bo);
};
/**
@@ -757,6 +763,9 @@ extern void ttm_mem_io_unlock(struct ttm_mem_type_manager *man);
extern void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
+struct list_head *ttm_bo_default_lru_tail(struct ttm_buffer_object *bo);
+struct list_head *ttm_bo_default_swap_lru_tail(struct ttm_buffer_object *bo);
+
/**
* __ttm_bo_reserve:
*