drm: apple: iomfb: Improve hotplug related logging

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

drivers/gpu/drm/apple/iomfb.c

@@ -236,7 +236,8 @@ void dcp_hotplug(struct work_struct *work)
 	dev = connector->base.dev;
 
 	dcp = platform_get_drvdata(connector->dcp);
-	dev_info(dcp->dev, "%s: connected: %d", __func__, connector->connected);
+	dev_info(dcp->dev, "%s() connected:%d valid_mode:%d\n", __func__,
+		 connector->connected, dcp->valid_mode);
 
 	/*
 	 * DCP defers link training until we set a display mode. But we set

drivers/gpu/drm/apple/iomfb_template.c

@@ -1014,6 +1014,9 @@ static void dcpep_cb_hotplug(struct apple_dcp *dcp, u64 *connected)
 	if (dcp->main_display)
 		return;
 
+	dev_info(dcp->dev, "cb_hotplug() connected:%llu, valid_mode:%d\n",
+		 *connected, dcp->valid_mode);
+
 	/* Hotplug invalidates mode. DRM doesn't always handle this. */
 	if (!(*connected)) {
 		dcp->valid_mode = false;