diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c
index 4f57e53797968e845175bb6b0689aa73e9d2bc29..d81a99bb2ac319cbfad9ea72edf60618dd421f3b 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
@@ -306,7 +306,7 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
 			asyh->set.or = head->func->or != NULL;
 		}
 
-		if (asyh->state.mode_changed)
+		if (asyh->state.mode_changed || asyh->state.connectors_changed)
 			nv50_head_atomic_check_mode(head, asyh);
 
 		if (asyh->state.color_mgmt_changed ||