--- linux-2.6.39-rc1-git5/drivers/gpu/drm/i915/intel_lvds.c	2011-04-14 21:01:22.000000000 +0200
+++ linux-2.6.39-rc1-git4/drivers/gpu/drm/i915/intel_lvds.c	2011-04-17 15:02:07.000000000 +0200
@@ -473,13 +473,19 @@
 intel_lvds_detect(struct drm_connector *connector, bool force)
 {
 	struct drm_device *dev = connector->dev;
-	enum drm_connector_status status;
+	enum drm_connector_status status = connector_status_connected;
 
 	status = intel_panel_detect(dev);
 	if (status != connector_status_unknown)
 		return status;
 
-	return connector_status_connected;
+	/* ACPI lid methods were generally unreliable in this generation, so
+	 * don't even bother.
+	 */
+	if (IS_GEN2(dev) || IS_GEN3(dev))
+		return connector_status_connected;
+
+	return status;
 }
 
 /**