https://bugs.freedesktop.org/show_bug.cgi?id=48880
--- Comment #2 from Tvrtko Ursulin tvrtko.ursulin@onelan.co.uk 2012-04-18 08:08:39 PDT --- I've tried setting a handful of other resolutions via the xrandr tool and in all cases monitors reported clock matches the above list. Only 1920x1080 seems broken.