The code below seems suspicious. Which definition of vblank_end is the right one? This is not intended as a proper patch. I can send a proper patch when I know what to do. julia diff -u -p a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -1192,7 +1192,6 @@ int intelfbhw_mode_to_hw(struct intelfb_ vsync_end = vsync_start + var->vsync_len; vtotal = vsync_end + var->upper_margin; vblank_start = vactive; - vblank_end = vtotal; vblank_end = vsync_end + 1; DBG_MSG("V: act %d, ss %d, se %d, tot %d bs %d, be %d\n", -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html