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path: root/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c')
-rw-r--r--drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index c9faaa848cc6..68de8838da3c 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -98,6 +98,40 @@ static int compare_of(struct device *dev, void *data)
return dev->of_node == data;
}
+static int kirin_drm_connectors_register(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+ struct drm_connector *failed_connector;
+ struct drm_connector_list_iter conn_iter;
+ int ret;
+
+ mutex_lock(&dev->mode_config.mutex);
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ ret = drm_connector_register(connector);
+ if (ret) {
+ failed_connector = connector;
+ goto err;
+ }
+ }
+ drm_connector_list_iter_end(&conn_iter);
+ mutex_unlock(&dev->mode_config.mutex);
+
+ return 0;
+
+err:
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ if (failed_connector == connector)
+ break;
+ drm_connector_unregister(connector);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+ mutex_unlock(&dev->mode_config.mutex);
+
+ return ret;
+}
+
static int kirin_drm_bind(struct device *dev)
{
struct drm_device *drm_dev;
@@ -117,8 +151,17 @@ static int kirin_drm_bind(struct device *dev)
drm_fbdev_generic_setup(drm_dev, 32);
+ /* connectors should be registered after drm device register */
+ if (driver_data->register_connects) {
+ ret = kirin_drm_connectors_register(drm_dev);
+ if (ret)
+ goto err_drm_dev_unregister;
+ }
+
return 0;
+err_drm_dev_unregister:
+ drm_dev_unregister(drm_dev);
err_kms_cleanup:
kirin_drm_kms_cleanup(drm_dev);
err_drm_dev_put: