From: Ben Widawsky <ben@bwidawsk.net>
To: Paul Menzel <paulepanter@users.sourceforge.net>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 4/4] drm/i915: ILK + VT-d workaround
Date: Tue, 18 Oct 2011 08:06:50 -0700 [thread overview]
Message-ID: <20111018080650.770802cf@bwidawsk.net> (raw)
In-Reply-To: <1318922681.3538.2.camel@mattotaupa>
On Tue, 18 Oct 2011 09:24:41 +0200
Paul Menzel <paulepanter@users.sourceforge.net> wrote:
> Am Montag, den 17.10.2011, 15:51 -0700 schrieb Ben Widawsky:
> > Idle the GPU before doing any unmaps. We know if VT-d is in use through
> > an exported variable from iommu code.
> >
> > This should avoid a known HW issue.
>
> Please describe the issue more in detail or provide a link to more
> information.
>
> > Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
> > ---
> > drivers/char/agp/intel-gtt.c | 28 ++++++++++++++++++++++++++++
> > drivers/gpu/drm/i915/i915_gem_gtt.c | 30 ++++++++++++++++++++++++++++++
> > include/drm/intel-gtt.h | 2 ++
> > 3 files changed, 60 insertions(+), 0 deletions(-)
>
> […]
>
>
> Thanks,
>
> Paul
Please see patch 1 and 2 in the series for the description.
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next prev parent reply other threads:[~2011-10-18 15:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-17 22:51 [PATCH 0/4] v5: ILK vt-d fix, more like v3 now Ben Widawsky
2011-10-17 22:51 ` [PATCH 1/4] intel-iommu: Workaround IOTLB hang on Ironlake GPU Ben Widawsky
2011-10-17 22:51 ` [PATCH 2/4] intel-iommu: Export a flag indicating that the IOMMU is used for iGFX Ben Widawsky
2011-10-17 22:51 ` [PATCH 3/4] drm/i915: Remove early exit on i915_gpu_idle Ben Widawsky
2011-10-17 22:51 ` [PATCH 4/4] drm/i915: ILK + VT-d workaround Ben Widawsky
2011-10-18 7:24 ` Paul Menzel
2011-10-18 15:06 ` Ben Widawsky [this message]
2011-10-18 7:35 ` Daniel Vetter
-- strict thread matches above, loose matches on Subject: below --
2011-10-15 20:47 [PATCH v4 0/4] ILK VT-d fix Ben Widawsky
2011-10-15 20:47 ` [PATCH 4/4] drm/i915: ILK + VT-d workaround Ben Widawsky
2011-10-15 21:15 ` Daniel Vetter
2011-10-15 22:09 ` Chris Wilson
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