[PATCH v4 02/12] drm/connector: unregister CEC data

[Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>]

In order to make sure that CEC adapters or notifiers are unregistered
and CEC-related data is properly destroyed make drm_connector_cleanup()
call CEC's unregister() callback.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 drivers/gpu/drm/drm_connector.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 9890b00e8f9be856f67cc2835733a056ddb98efb..fffb718b09eaaac200e6abc7524bbfe98c4741f4 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -699,6 +699,16 @@ static void drm_mode_remove(struct drm_connector *connector,
 	drm_mode_destroy(connector->dev, mode);
 }
 
+static void drm_connector_cec_unregister(struct drm_connector *connector)
+{
+	mutex_lock(&connector->cec.mutex);
+
+	if (connector->cec.funcs->unregister)
+		connector->cec.funcs->unregister(connector);
+
+	mutex_unlock(&connector->cec.mutex);
+}
+
 /**
  * drm_connector_cleanup - cleans up an initialised connector
  * @connector: connector to cleanup
@@ -719,6 +729,8 @@ void drm_connector_cleanup(struct drm_connector *connector)
 
 	platform_device_unregister(connector->hdmi_audio.codec_pdev);
 
+	drm_connector_cec_unregister(connector);
+
 	if (connector->privacy_screen) {
 		drm_privacy_screen_put(connector->privacy_screen);
 		connector->privacy_screen = NULL;

-- 
2.39.5