[Bug 88012] [bisected BYT] complete freeze after: drm/i915/vlv: WA for Turbo and RC6 to work together

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88012

--- Comment #125 from John <jbmacbrodie at yahoo.com> ---
My apologies Mr. Frühberger , I see that I've once again re-discovered an
already existing work around.  In the first post for this bug, you revealed the
cstate workaround, almost a year ago.

I've tried your patch on my freeze prone 4.2.6.  It did last longer (25 minutes
vs. 5 vs.)  The patch looks valid all the way back to 3.18, the oldest project
directory I have.  I suspect on my 4.2.5 kernel, the patch would appear to be
freeze-less.

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