--- linux-source-2.6.32/drivers/video/vesafb.c.orig	2010-05-03 20:07:47.000000000 +0200
+++ linux-source-2.6.32/drivers/video/vesafb.c	2010-05-03 20:12:33.000000000 +0200
@@ -328,7 +328,19 @@ static int __init vesafb_probe(struct pl
 	info->aperture_base = screen_info.lfb_base;
 	info->aperture_size = size_total;
 
-	info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len);
+	switch (mtrr) {
+	case 1: /* uncachable */
+		info->screen_base = ioremap_nocache(vesafb_fix.smem_start, vesafb_fix.smem_len);
+		break;
+	case 2: /* write-back */
+	case 3: /* write-combining */
+	case 4: /* write-through */
+		info->screen_base = ioremap_wc(vesafb_fix.smem_start, vesafb_fix.smem_len);
+		break;
+	default:
+		info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len);
+		break;
+	}
 	if (!info->screen_base) {
 		printk(KERN_ERR
 		       "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n",