https://bugs.freedesktop.org/show_bug.cgi?id=98333
--- Comment #1 from Alex Deucher alexdeucher@gmail.com --- Is the issue that a 60 hz mode is not available or that a 60 hz mode does not work? Please attach your xorg log, dmesg output and xrandr output. You may need this drm patch: https://lists.freedesktop.org/archives/dri-devel/2016-May/107463.html