From: Chris Wilson <chris@chris-wilson.co.uk>
To: Daniel Vetter <daniel@ffwll.ch>, Ben Widawsky <ben@bwidawsk.net>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Fix gem_gtt_cpu_tlb
Date: Sat, 18 Aug 2012 11:33:15 +0100 [thread overview]
Message-ID: <1345285995_118132@CP5-2952> (raw)
In-Reply-To: <20120817081334.GB5410@phenom.ffwll.local>
On Fri, 17 Aug 2012 10:13:34 +0200, Daniel Vetter <daniel@ffwll.ch> wrote:
> On Thu, Aug 16, 2012 at 11:12:57PM -0700, Ben Widawsky wrote:
> > Revert "agp/intel, drm/i915: Use a write-combining map for updating PTEs"
> >
> > This reverts commit 15a80851c8166c05c6f600fede1719b29eb70737.
> >
> > I haven't spent any time looking at the patch but bisection and revert
> > testing proves this fixes the issues. Begone ye ext4 errors!
> >
> > Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
>
> Patched removed from dinq, thanks a lot to you (and Paulo) for digging
> this out.
The regression appears to have been introduced with SNB. Maybe we should
bug the hw engineers about this?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
prev parent reply other threads:[~2012-08-18 10:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-17 6:12 [PATCH] drm/i915: Fix gem_gtt_cpu_tlb Ben Widawsky
2012-08-17 8:13 ` Daniel Vetter
2012-08-18 10:33 ` Chris Wilson [this message]
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