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-rw-r--r--include/drm/ttm/ttm_bo_api.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 3e273e0b941..267a86c74e2 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -362,6 +362,23 @@ extern int ttm_bo_validate(struct ttm_buffer_object *bo,
extern void ttm_bo_unref(struct ttm_buffer_object **bo);
/**
+ * ttm_bo_lock_delayed_workqueue
+ *
+ * Prevent the delayed workqueue from running.
+ * Returns
+ * True if the workqueue was queued at the time
+ */
+extern int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
+
+/**
+ * ttm_bo_unlock_delayed_workqueue
+ *
+ * Allows the delayed workqueue to run.
+ */
+extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev,
+ int resched);
+
+/**
* ttm_bo_synccpu_write_grab
*
* @bo: The buffer object: