drm/mgag200: Add sysfs support for connectors

Signed-off-by: NEgbert Eich <eich@suse.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/mgag200/mgag200_mode.c

@@ -1600,6 +1600,8 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev)
 
 	drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs);
 
+	drm_sysfs_connector_add(connector);
+
 	mga_connector->i2c = mgag200_i2c_create(dev);
 	if (!mga_connector->i2c)
 		DRM_ERROR("failed to add ddc bus\n");