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| author | Jani Nikula <jani.nikula@intel.com> | 2021-12-09 15:58:34 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-12-09 15:58:34 +0200 |
| commit | 01dd1fa26b85167cd19b04b10e015aba3e243d08 (patch) | |
| tree | 3c6f9d8531e9ff60f56c7d978c1f8493599d3c88 /drivers/gpu/drm/drm_sysfs.c | |
| parent | fd2b94a5cb0ff4bb163cdc4afaede6527eec5f7e (diff) | |
| parent | c8a04cbeedbc9f71c475141baa656f14f4879792 (diff) | |
Merge drm/drm-next into drm-intel-next
Get the dependencies for merging drm-privacy-screen support.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_sysfs.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 76ff6ec3421b..430e00b16eec 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -410,6 +410,31 @@ void drm_sysfs_hotplug_event(struct drm_device *dev) EXPORT_SYMBOL(drm_sysfs_hotplug_event); /** + * drm_sysfs_connector_hotplug_event - generate a DRM uevent for any connector + * change + * @connector: connector which has changed + * + * Send a uevent for the DRM connector specified by @connector. This will send + * a uevent with the properties HOTPLUG=1 and CONNECTOR. + */ +void drm_sysfs_connector_hotplug_event(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + char hotplug_str[] = "HOTPLUG=1", conn_id[21]; + char *envp[] = { hotplug_str, conn_id, NULL }; + + snprintf(conn_id, sizeof(conn_id), + "CONNECTOR=%u", connector->base.id); + + drm_dbg_kms(connector->dev, + "[CONNECTOR:%d:%s] generating connector hotplug event\n", + connector->base.id, connector->name); + + kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE, envp); +} +EXPORT_SYMBOL(drm_sysfs_connector_hotplug_event); + +/** * drm_sysfs_connector_status_event - generate a DRM uevent for connector * property status change * @connector: connector on which property status changed |