drm/connector: use drm_sysfs_connector_hotplug_event

In drm_connector_register, use drm_sysfs_connector_hotplug_event
instead of drm_sysfs_hotplug_event, because the hotplug event
only updates a single connector.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211018084707.32253-4-contact@emersion.fr

drivers/gpu/drm/drm_connector.c

@@ -547,7 +547,7 @@ int drm_connector_register(struct drm_connector *connector)
 	connector->registration_state = DRM_CONNECTOR_REGISTERED;
 
 	/* Let userspace know we have a new connector */
-	drm_sysfs_hotplug_event(connector->dev);
+	drm_sysfs_connector_hotplug_event(connector);
 
 	if (connector->privacy_screen)
 		drm_privacy_screen_register_notifier(connector->privacy_screen,