drm/sun4i: Remove open-coded drm_connector_register_all()

drm_dev_register() will now register all known connectors, so we no
longer have to do so manually.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1466501283-19976-4-git-send-email-chris@chris-wilson.co.uk

drivers/gpu/drm/sun4i/sun4i_drv.c

@@ -24,34 +24,6 @@
 #include "sun4i_layer.h"
 #include "sun4i_tcon.h"
 
-static int sun4i_drv_connector_plug_all(struct drm_device *drm)
-{
-	struct drm_connector *connector, *failed;
-	int ret;
-
-	mutex_lock(&drm->mode_config.mutex);
-	list_for_each_entry(connector, &drm->mode_config.connector_list, head) {
-		ret = drm_connector_register(connector);
-		if (ret) {
-			failed = connector;
-			goto err;
-		}
-	}
-	mutex_unlock(&drm->mode_config.mutex);
-	return 0;
-
-err:
-	list_for_each_entry(connector, &drm->mode_config.connector_list, head) {
-		if (failed == connector)
-			break;
-
-		drm_connector_unregister(connector);
-	}
-	mutex_unlock(&drm->mode_config.mutex);
-
-	return ret;
-}
-
 static int sun4i_drv_enable_vblank(struct drm_device *drm, unsigned int pipe)
 {
 	struct sun4i_drv *drv = drm->dev_private;
@@ -183,14 +155,8 @@ static int sun4i_drv_bind(struct device *dev)
 	if (ret)
 		goto free_drm;
 
-	ret = sun4i_drv_connector_plug_all(drm);
-	if (ret)
-		goto unregister_drm;
-
 	return 0;
 
-unregister_drm:
-	drm_dev_unregister(drm);
 free_drm:
 	drm_dev_unref(drm);
 	return ret;