drm/bridge: ti-sn65dsi86: Split connector creation to a function

To prepare for making connector creation option, move connector creation
out of ti_sn_bridge_attach to a separate function.

No functional change intended.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210624000304.16281-7-laurent.pinchart+renesas@ideasonboard.com

drivers/gpu/drm/bridge/ti-sn65dsi86.c

@@ -636,6 +636,25 @@ static const struct drm_connector_funcs ti_sn_bridge_connector_funcs = {
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };
 
+static int ti_sn_bridge_connector_init(struct ti_sn65dsi86 *pdata)
+{
+	int ret;
+
+	ret = drm_connector_init(pdata->bridge.dev, &pdata->connector,
+				 &ti_sn_bridge_connector_funcs,
+				 DRM_MODE_CONNECTOR_eDP);
+	if (ret) {
+		DRM_ERROR("Failed to initialize connector with drm\n");
+		return ret;
+	}
+
+	drm_connector_helper_add(&pdata->connector,
+				 &ti_sn_bridge_connector_helper_funcs);
+	drm_connector_attach_encoder(&pdata->connector, pdata->bridge.encoder);
+
+	return 0;
+}
+
 /*------------------------------------------------------------------------------
  * DRM Bridge
  */
@@ -669,17 +688,9 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge,
 		return ret;
 	}
 
-	ret = drm_connector_init(bridge->dev, &pdata->connector,
-				 &ti_sn_bridge_connector_funcs,
-				 DRM_MODE_CONNECTOR_eDP);
-	if (ret) {
-		DRM_ERROR("Failed to initialize connector with drm\n");
+	ret = ti_sn_bridge_connector_init(pdata);
+	if (ret < 0)
 		goto err_conn_init;
-	}
-
-	drm_connector_helper_add(&pdata->connector,
-				 &ti_sn_bridge_connector_helper_funcs);
-	drm_connector_attach_encoder(&pdata->connector, bridge->encoder);
 
 	/*
 	 * TODO: ideally finding host resource and dsi dev registration needs