[PATCH 08/10] drm: Drop mode_config.mutex from connector_register_all

Daniel Vetter daniel.vetter at ffwll.ch
Tue Jun 21 09:10:33 UTC 2016


With the reworked connector_list locking we don't need this
any more. Also, we can remove the FIXME comment from the unregister
function, too, by using drm_for_each_connector.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_crtc.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index dc22c0bfbe99..d104717cab6b 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1107,20 +1107,15 @@ int drm_connector_register_all(struct drm_device *dev)
 	struct drm_connector_iter iter;
 	int ret;
 
-	mutex_lock(&dev->mode_config.mutex);
-
 	drm_for_each_connector(connector, dev, iter) {
 		ret = drm_connector_register(connector);
 		if (ret)
 			goto err;
 	}
 
-	mutex_unlock(&dev->mode_config.mutex);
-
 	return 0;
 
 err:
-	mutex_unlock(&dev->mode_config.mutex);
 	drm_connector_unregister_all(dev);
 	return ret;
 }
@@ -1139,9 +1134,9 @@ EXPORT_SYMBOL(drm_connector_register_all);
 void drm_connector_unregister_all(struct drm_device *dev)
 {
 	struct drm_connector *connector;
+	struct drm_connector_iter iter;
 
-	/* FIXME: taking the mode config mutex ends up in a clash with sysfs */
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+	drm_for_each_connector(connector, dev, iter)
 		drm_connector_unregister(connector);
 }
 EXPORT_SYMBOL(drm_connector_unregister_all);
-- 
2.8.1



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