github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/client: Add client-hotplug helper

Browse Source 
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>
This commit is contained in:
Thomas Zimmermann 2024-12-12 18:08:43 +01:00 committed by Maarten Lankhorst
parent d0a83b2e21
commit 603cc828aa
1 changed files with 19 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/gpu/drm/drm_client_event.c
View File

@ -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);