drm: bridge: adv7511: Split connector creation to a separate function

To prepare for making the connector creation optional, move the related
code out of adv7511_bridge_attach() to a separate function.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200526011505.31884-3-laurent.pinchart+renesas@ideasonboard.com

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 58d02e9..f0992b6 100644 (file)
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -783,7 +783,10 @@ static void adv7511_mode_set(struct adv7511 *adv7511,
        adv7511->f_tmds = mode->clock;
 }
 
-/* Connector funcs */
+/* -----------------------------------------------------------------------------
+ * DRM Connector Operations
+ */
+
 static struct adv7511 *connector_to_adv7511(struct drm_connector *connector)
 {
        return container_of(connector, struct adv7511, connector);
@@ -827,7 +830,40 @@ static const struct drm_connector_funcs adv7511_connector_funcs = {
        .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };
 
-/* Bridge funcs */
+static int adv7511_connector_init(struct adv7511 *adv)
+{
+       struct drm_bridge *bridge = &adv->bridge;
+       int ret;
+
+       if (!bridge->encoder) {
+               DRM_ERROR("Parent encoder object not found");
+               return -ENODEV;
+       }
+
+       if (adv->i2c_main->irq)
+               adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
+       else
+               adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
+                               DRM_CONNECTOR_POLL_DISCONNECT;
+
+       ret = drm_connector_init(bridge->dev, &adv->connector,
+                                &adv7511_connector_funcs,
+                                DRM_MODE_CONNECTOR_HDMIA);
+       if (ret < 0) {
+               DRM_ERROR("Failed to initialize connector with drm\n");
+               return ret;
+       }
+       drm_connector_helper_add(&adv->connector,
+                                &adv7511_connector_helper_funcs);
+       drm_connector_attach_encoder(&adv->connector, bridge->encoder);
+
+       return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * DRM Bridge Operations
+ */
+
 static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge)
 {
        return container_of(bridge, struct adv7511, bridge);
@@ -867,27 +903,9 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge,
                return -EINVAL;
        }
 
-       if (!bridge->encoder) {
-               DRM_ERROR("Parent encoder object not found");
-               return -ENODEV;
-       }
-
-       if (adv->i2c_main->irq)
-               adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
-       else
-               adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
-                               DRM_CONNECTOR_POLL_DISCONNECT;
-
-       ret = drm_connector_init(bridge->dev, &adv->connector,
-                                &adv7511_connector_funcs,
-                                DRM_MODE_CONNECTOR_HDMIA);
-       if (ret) {
-               DRM_ERROR("Failed to initialize connector with drm\n");
+       ret = adv7511_connector_init(adv);
+       if (ret < 0)
                return ret;
-       }
-       drm_connector_helper_add(&adv->connector,
-                                &adv7511_connector_helper_funcs);
-       drm_connector_attach_encoder(&adv->connector, bridge->encoder);
 
        if (adv->type == ADV7533 || adv->type == ADV7535)
                ret = adv7533_attach_dsi(adv);