[PATCH] Revert "drm/i915: enable rc6 on ilk again"

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On Sat, Nov 10, 2012 at 10:00:06AM +0000, Chris Wilson wrote:
> Even with the cumulative set of ilk w/a, rc6 is demonstrably still
> failing and causing GPU hangs as found by Peter Wu. So we need to disable
> it again until it is stable.
> 
> This reverts
> 
> commit 456470eb583f063ee84c6818251e638598be0fb8
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Wed Aug 8 23:35:40 2012 +0200
> 
>     drm/i915: enable rc6 on ilk again
> 
> and the follow-on
> 
> commit cd7988eea561a70a4f98e431c1395f913672d626
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Sun Aug 26 20:33:18 2012 +0200
> 
>     drm/i915: disable rc6 on ilk when vt-d is enabled
> 
> Reported-by: Peter Wu <lekensteyn at gmail.com>
> References: https://bugs.freedesktop.org/show_bug.cgi?id=55984
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Picked up for -fixes (with the bit of commit bikeshedding as discussed on
irc applied), thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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