drm/client: Add client-hotplug helper

Move client hotplug calls to drm_client_hotplug(). We'll need this
helper to send hotplug events after resuming.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241212170913.185939-3-tzimmermann@suse.de
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>

diff --git a/drivers/gpu/drm/drm_client_event.c b/drivers/gpu/drm/drm_client_event.c
index e303de564485d6ad11234777d83fa33e3625ba32..8514df4a2e65a7698a561ba790be2a58ec15e6d7 100644 (file)
--- a/drivers/gpu/drm/drm_client_event.c
+++ b/drivers/gpu/drm/drm_client_event.c
@@ -49,6 +49,23 @@ void drm_client_dev_unregister(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_client_dev_unregister);
 
+static void drm_client_hotplug(struct drm_client_dev *client)
+{
+       struct drm_device *dev = client->dev;
+       int ret;
+
+       if (!client->funcs || !client->funcs->hotplug)
+               return;
+
+       if (client->hotplug_failed)
+               return;
+
+       ret = client->funcs->hotplug(client);
+       drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret);
+       if (ret)
+               client->hotplug_failed = true;
+}
+
 /**
  * drm_client_dev_hotplug - Send hotplug event to clients
  * @dev: DRM device
@@ -61,7 +78,6 @@ EXPORT_SYMBOL(drm_client_dev_unregister);
 void drm_client_dev_hotplug(struct drm_device *dev)
 {
        struct drm_client_dev *client;
-       int ret;
 
        if (!drm_core_check_feature(dev, DRIVER_MODESET))
                return;
@@ -72,18 +88,8 @@ void drm_client_dev_hotplug(struct drm_device *dev)
        }
 
        mutex_lock(&dev->clientlist_mutex);
-       list_for_each_entry(client, &dev->clientlist, list) {
-               if (!client->funcs || !client->funcs->hotplug)
-                       continue;
-
-               if (client->hotplug_failed)
-                       continue;
-
-               ret = client->funcs->hotplug(client);
-               drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret);
-               if (ret)
-                       client->hotplug_failed = true;
-       }
+       list_for_each_entry(client, &dev->clientlist, list)
+               drm_client_hotplug(client);
        mutex_unlock(&dev->clientlist_mutex);
 }
 EXPORT_SYMBOL(drm_client_dev_hotplug);