diff -up linux-2.6.30.noarch/drivers/gpu/drm/drm_crtc_helper.c.jx linux-2.6.30.noarch/drivers/gpu/drm/drm_crtc_helper.c

--- linux-2.6.30.noarch/drivers/gpu/drm/drm_crtc_helper.c.jx	2009-09-09 08:57:39.000000000 -0400

+++ linux-2.6.30.noarch/drivers/gpu/drm/drm_crtc_helper.c	2009-09-09 09:35:24.000000000 -0400

@@ -92,6 +92,18 @@ int drm_helper_probe_single_connector_mo

 	connector->status = connector->funcs->detect(connector);

+	/* fast path if the driver tracks disconnection */

+	if (connector->status == connector_status_cached) {

+		DRM_DEBUG_KMS("%s still connected\n",

+			      drm_get_connector_name(connector));

+		list_for_each_entry_safe(mode, t, &connector->modes, head) {

+			count++;

+			mode->status = MODE_OK;

+		}

+		connector->status = connector_status_connected;

+		return count;

+	}

+

 	if (connector->status == connector_status_disconnected) {

 		DRM_DEBUG_KMS("%s is disconnected\n",

 			  drm_get_connector_name(connector));

diff -up linux-2.6.30.noarch/drivers/gpu/drm/i915/intel_lvds.c.jx linux-2.6.30.noarch/drivers/gpu/drm/i915/intel_lvds.c

--- linux-2.6.30.noarch/drivers/gpu/drm/i915/intel_lvds.c.jx	2009-09-09 08:57:39.000000000 -0400

+++ linux-2.6.30.noarch/drivers/gpu/drm/i915/intel_lvds.c	2009-09-09 09:56:18.000000000 -0400

@@ -593,7 +593,14 @@ static void intel_lvds_mode_set(struct d

  */

 static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)

 {

-	return connector_status_connected;

+	static int done;

+

+	if (!done) {

+		done = 1;

+		return connector_status_connected;

+	} else {

+		return connector_status_cached;

+	}

 }

 /**

diff -up linux-2.6.30.noarch/include/drm/drm_crtc.h.jx linux-2.6.30.noarch/include/drm/drm_crtc.h

--- linux-2.6.30.noarch/include/drm/drm_crtc.h.jx	2009-09-09 08:57:39.000000000 -0400

+++ linux-2.6.30.noarch/include/drm/drm_crtc.h	2009-09-09 09:35:24.000000000 -0400

@@ -172,6 +172,7 @@ enum drm_connector_status {

 	connector_status_connected = 1,

 	connector_status_disconnected = 2,

 	connector_status_unknown = 3,

+	connector_status_cached = 4,

 };

 enum subpixel_order {

diff -up linux-2.6.30.x86_64/drivers/gpu/drm/drm_crtc.c.jx linux-2.6.30.x86_64/drivers/gpu/drm/drm_crtc.c

--- linux-2.6.30.x86_64/drivers/gpu/drm/drm_crtc.c.jx	2009-09-09 10:10:44.000000000 -0400

+++ linux-2.6.30.x86_64/drivers/gpu/drm/drm_crtc.c	2009-09-09 11:23:14.000000000 -0400

@@ -185,7 +185,8 @@ EXPORT_SYMBOL(drm_get_connector_name);

 char *drm_get_connector_status_name(enum drm_connector_status status)

 {

-	if (status == connector_status_connected)

+	if (status == connector_status_connected ||

+	    status == connector_status_cached)

 		return "connected";

 	else if (status == connector_status_disconnected)

 		return "disconnected";