On Thu, 9 Aug 2012 01:16:33 +0300, Mihai Donțu <mihai.dontu at gmail.com> wrote: > I suppose that this particular GPU does not support dynamic clocking. :| It does. I just gave the wrong file. Try cat /sys/kernel/debug/dri/0/i915_cur_delayinfo instead. -Chris -- Chris Wilson, Intel Open Source Technology Centre