linux-kernel - Re: [PATCH] drm/i915: disable ppgtt on snb when dmar is enabled

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Message-ID: <1333359434_198686@CP5-2952>
Date:	Mon, 02 Apr 2012 10:36:50 +0100
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Daniel Vetter <daniel.vetter@...ll.ch>,
	Intel Graphics Development <intel-gfx@...ts.freedesktop.org>
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	LKML <linux-kernel@...r.kernel.org>,
	DRI Development <dri-devel@...ts.freedesktop.org>,
	Tony Vroon <tony@...x.net>
Subject: Re: [PATCH] drm/i915: disable ppgtt on snb when dmar is enabled

On Mon,  2 Apr 2012 10:08:35 +0200, Daniel Vetter <daniel.vetter@...ll.ch> wrote:
> Totally unexpected that this regressed. Luckily it sounds like we just
> need to have dmar disable on the igfx, not the entire system. At least
> that's what a few days of testing between Tony Vroon and me indicates.
> 
> Reported-by: Tony Vroon <tony@...x.net>
> Cc: Tony Vroon <tony@...x.net>
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43024
> Signed-Off-by: Daniel Vetter <daniel.vetter@...ll.ch>

Patch itself looks sane,

Acked-by: Chris Wilson <chris@...is-wilson.co.uk>

-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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