[PATCH] drm: fix missing doc

[Chunming Zhou]

flags is new param for drm_syncob_find_fence, so need update doc, reproduce: make htmldocs

reported:
htmldocs: drivers/gpu/drm/drm_syncobj.c:230: warning: Function parameter or member 'flags' not described in 'drm_syncobj_find_fence'

Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
---
 drivers/gpu/drm/drm_syncobj.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index aed492570d85..b978de24f33a 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -434,10 +434,11 @@ EXPORT_SYMBOL(drm_syncobj_search_fence);
  * @file_private: drm file private pointer
  * @handle: sync object handle to lookup.
  * @point: timeline point
+ * @flags: DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT or not
  * @fence: out parameter for the fence
  *
  * This is just a convenience function that combines drm_syncobj_find() and
- * drm_syncobj_lookup_fence().
+ * drm_syncobj_search_fence().
  *
  * Returns 0 on success or a negative error value on failure. On success @fence
  * contains a reference to the fence, which must be released by calling
-- 
2.17.1