drm/ttm: add optional LRU removal callback v2
Useful for driver specific LRU handling.
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>
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index d4a568e..542f921 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -434,6 +434,12 @@
*/
int (*io_mem_reserve)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
void (*io_mem_free)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
+
+ /**
+ * Optional driver callback for when BO is removed from the LRU.
+ * Called with LRU lock held immediately before the removal.
+ */
+ void (*lru_removal)(struct ttm_buffer_object *bo);
};
/**