--- linux/drivers/gpu/drm/mach64/mach64_drv.c.orig	2013-10-13 12:19:41.000000000 +0300
+++ linux/drivers/gpu/drm/mach64/mach64_drv.c	2013-10-13 14:27:25.684247911 +0300
@@ -46,13 +46,12 @@ static const struct file_operations mach
 	.unlocked_ioctl = drm_ioctl,
 	.mmap = drm_mmap,
 	.poll = drm_poll,
-	.fasync = drm_fasync,
 	.llseek = noop_llseek,
 };
 
 static struct drm_driver driver = {
 	.driver_features =
-	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_HAVE_DMA
+	    DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_HAVE_DMA
 	    | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
 	.lastclose = mach64_driver_lastclose,
 	.get_vblank_counter = mach64_get_vblank_counter,