--- drivers/gpu/drm/i915/intel_dp.c.old	2011-12-24 10:43:20.186694062 +0100
+++ drivers/gpu/drm/i915/intel_dp.c	2011-12-24 10:44:13.373363064 +0100
@@ -219,7 +219,7 @@
 	else if (intel_crtc)
 		bpp = intel_crtc->bpp;
 
-	return (pixel_clock * bpp + 9) / 10;
+	return (pixel_clock * bpp + 7) / 8;
 }
 
 static int