linux-kernel - [PATCH v6 4/4] vkms: Pass the vkms connector as opposed to the device on hotplug

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Message-Id: <20260123-hot-plug-passup-v6-4-aaaf61d960bb@collabora.com>
Date: Fri, 23 Jan 2026 20:44:05 +0100
From: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
To: Ville Syrjälä <ville.syrjala@...ux.intel.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Louis Chauvet <louis.chauvet@...tlin.com>, 
 Haneen Mohammed <hamohammed.sa@...il.com>, 
 Melissa Wen <melissa.srw@...il.com>, 
 Daniel Stone <daniel.stone@...labora.com>, 
 Ian Forbes <ian.forbes@...adcom.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 kernel@...labora.com, Nicolas Frattaroli <nicolas.frattaroli@...labora.com>, 
 Marius Vlad <marius.vlad@...labora.com>
Subject: [PATCH v6 4/4] vkms: Pass the vkms connector as opposed to the
 device on hotplug

From: Marius Vlad <marius.vlad@...labora.com>

By passing the connector rather than the device to
vkms_trigger_connector_hotplug, vkms can trigger connector hotplugging
events that contain the connector ID.

Signed-off-by: Marius Vlad <marius.vlad@...labora.com>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
---
 drivers/gpu/drm/vkms/vkms_configfs.c  | 2 +-
 drivers/gpu/drm/vkms/vkms_connector.c | 6 +++---
 drivers/gpu/drm/vkms/vkms_connector.h | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vkms/vkms_configfs.c b/drivers/gpu/drm/vkms/vkms_configfs.c
index d6e203d59b45..63a27f671e6a 100644
--- a/drivers/gpu/drm/vkms/vkms_configfs.c
+++ b/drivers/gpu/drm/vkms/vkms_configfs.c
@@ -554,7 +554,7 @@ static ssize_t connector_status_store(struct config_item *item,
 		vkms_config_connector_set_status(connector->config, status);
 
 		if (connector->dev->enabled && old_status != status)
-			vkms_trigger_connector_hotplug(connector->dev->config->dev);
+			vkms_trigger_connector_hotplug(connector->config->connector);
 	}
 
 	return (ssize_t)count;
diff --git a/drivers/gpu/drm/vkms/vkms_connector.c b/drivers/gpu/drm/vkms/vkms_connector.c
index b0a6b212d3f4..cad64eff72ea 100644
--- a/drivers/gpu/drm/vkms/vkms_connector.c
+++ b/drivers/gpu/drm/vkms/vkms_connector.c
@@ -88,9 +88,9 @@ struct vkms_connector *vkms_connector_init(struct vkms_device *vkmsdev)
 	return connector;
 }
 
-void vkms_trigger_connector_hotplug(struct vkms_device *vkmsdev)
+void vkms_trigger_connector_hotplug(struct vkms_connector *vkms_connector)
 {
-	struct drm_device *dev = &vkmsdev->drm;
+	struct drm_connector *connector = &vkms_connector->base;
 
-	drm_kms_helper_hotplug_event(dev);
+	drm_kms_helper_connector_hotplug_event(connector);
 }
diff --git a/drivers/gpu/drm/vkms/vkms_connector.h b/drivers/gpu/drm/vkms/vkms_connector.h
index ed312f4eff3a..7cd76d01b10b 100644
--- a/drivers/gpu/drm/vkms/vkms_connector.h
+++ b/drivers/gpu/drm/vkms/vkms_connector.h
@@ -28,8 +28,8 @@ struct vkms_connector *vkms_connector_init(struct vkms_device *vkmsdev);
 
 /**
  * vkms_trigger_connector_hotplug() - Update the device's connectors status
- * @vkmsdev: VKMS device to update
+ * @vkms_connector: VKMS connector to update
  */
-void vkms_trigger_connector_hotplug(struct vkms_device *vkmsdev);
+void vkms_trigger_connector_hotplug(struct vkms_connector *vkms_connector);
 
 #endif /* _VKMS_CONNECTOR_H_ */

-- 
2.52.0