diff -up libdrm-20080722/linux-core/radeon_drv.c~ libdrm-20080722/linux-core/radeon_drv.c
--- libdrm-20080722/linux-core/radeon_drv.c~	2008-07-22 01:06:52.000000000 +0300
+++ libdrm-20080722/linux-core/radeon_drv.c	2008-07-22 11:01:32.000000000 +0300
@@ -52,6 +52,18 @@ static int dri_library_name(struct drm_d
 		"r300"));
 }
 
+static int radeon_driver_suspend(struct drm_device *dev, pm_message_t state)
+{
+	radeon_disable_vblank(dev, 0);
+	return 0;
+}
+
+static int radeon_driver_resume(struct drm_device *dev)
+{
+	radeon_enable_vblank(dev, 0);
+	return 0;
+}
+
 static struct pci_device_id pciidlist[] = {
 	radeon_PCI_IDS
 };
@@ -69,6 +81,8 @@ static struct drm_driver driver = {
 	.postclose = radeon_driver_postclose,
 	.lastclose = radeon_driver_lastclose,
 	.unload = radeon_driver_unload,
+	.suspend = radeon_driver_suspend,
+	.resume = radeon_driver_resume,
 	.get_vblank_counter = radeon_get_vblank_counter,
 	.enable_vblank = radeon_enable_vblank,
 	.disable_vblank = radeon_disable_vblank,