drm/mgag200: use helpers

Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/mgag200/mgag200_mode.c

@@ -1562,19 +1562,9 @@ static struct drm_encoder *mga_connector_best_encoder(struct drm_connector
 						  *connector)
 {
 	int enc_id = connector->encoder_ids[0];
-	struct drm_mode_object *obj;
-	struct drm_encoder *encoder;
-
 	/* pick the encoder ids */
-	if (enc_id) {
-		obj =
-		    drm_mode_object_find(connector->dev, enc_id,
-					 DRM_MODE_OBJECT_ENCODER);
-		if (!obj)
-			return NULL;
-		encoder = obj_to_encoder(obj);
-		return encoder;
-	}
+	if (enc_id)
+		return drm_encoder_find(connector->dev, enc_id);
 	return NULL;
 }