diff --git a/drivers/gpu/drm/radeon/radeon_ib.c b/drivers/gpu/drm/radeon/radeon_ib.c
index 9fd55e9c616b0af7001457ca4dedb78330fcdaa9..c1fca2ba443c91015347286acfbfaf3ecd0e93c2 100644
--- a/drivers/gpu/drm/radeon/radeon_ib.c
+++ b/drivers/gpu/drm/radeon/radeon_ib.c
@@ -48,6 +48,7 @@ static int radeon_debugfs_sa_init(struct radeon_device *rdev);
  *
  * @rdev: radeon_device pointer
  * @ring: ring index the IB is associated with
+ * @vm: requested vm
  * @ib: IB object returned
  * @size: requested IB size
  *