conn_state->crtc);
 
                crtc_state->connector_mask &=
-                       ~(1 << drm_connector_index(conn_state->connector));
+                       ~drm_connector_mask(conn_state->connector);
 
                drm_connector_put(conn_state->connector);
                conn_state->crtc = NULL;
                        return PTR_ERR(crtc_state);
 
                crtc_state->connector_mask |=
-                       1 << drm_connector_index(conn_state->connector);
+                       drm_connector_mask(conn_state->connector);
 
                drm_connector_get(conn_state->connector);
                conn_state->crtc = crtc;
         */
        drm_connector_list_iter_begin(state->dev, &conn_iter);
        drm_for_each_connector_iter(connector, &conn_iter) {
-               if (!(crtc_state->connector_mask & (1 << drm_connector_index(connector))))
+               if (!(crtc_state->connector_mask & drm_connector_mask(connector)))
                        continue;
 
                conn_state = drm_atomic_get_connector_state(state, connector);
 
                                      struct drm_encoder *encoder);
 
 void drm_connector_cleanup(struct drm_connector *connector);
-static inline unsigned drm_connector_index(struct drm_connector *connector)
+
+static inline unsigned int drm_connector_index(const struct drm_connector *connector)
 {
        return connector->index;
 }
 
+static inline u32 drm_connector_mask(const struct drm_connector *connector)
+{
+       return 1 << connector->index;
+}
+
 /**
  * drm_connector_lookup - lookup connector object
  * @dev: DRM device