diff options
Diffstat (limited to 'drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 43 |
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: |