diff options
| author | Douglas Anderson <dianders@chromium.org> | 2022-01-05 16:13:40 -0800 |
|---|---|---|
| committer | Douglas Anderson <dianders@chromium.org> | 2022-01-05 16:13:40 -0800 |
| commit | ef1270e99460055ee7d66a4a22dd74bf61c17aa5 (patch) | |
| tree | 9cde5969ac70f1cdf84a4bbcc8adc2deacf4bb47 /drivers/gpu/drm/drm_sysfs.c | |
| parent | 1a4af2e40c98b62c8aaf7cb692cd9600291d339b (diff) | |
| parent | cb6846fbb83b574c85c2a80211b402a6347b60b1 (diff) | |
Merge remote-tracking branch 'drm/drm-next' into drm-tip
# Conflicts:
# drivers/gpu/drm/nouveau/nouveau_fence.c
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 |