Commit 603cc828 authored by Thomas Zimmermann's avatar Thomas Zimmermann Committed by Maarten Lankhorst
Browse files

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: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241212170913.185939-3-tzimmermann@suse.de


Signed-off-by: default avatarMaarten Lankhorst <dev@lankhorst.se>
parent d0a83b2e

drivers/gpu/drm/drm_client_event.c

+19 −13
Original line number Diff line number Diff line
@@ -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);