--- linux-3.5/drivers/gpu/drm/radeon/radeon_i2c.c.orig	2012-06-07 12:41:09.000000000 +0100
+++ linux-3.5/drivers/gpu/drm/radeon/radeon_i2c.c	2012-08-11 23:00:00.000000000 +0100
@@ -245,7 +245,7 @@
 	case CHIP_R300:
 	case CHIP_R350:
 	case CHIP_RV350:
-		i2c_clock = 60;
+		i2c_clock = 100;
 		nm = (sclk * 10) / (i2c_clock * 4);
 		for (loop = 1; loop < 255; loop++) {
 			if ((nm / loop) < loop)