From: Daniel Vetter <daniel@ffwll.ch>
To: Ben Widawsky <ben@bwidawsk.net>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 4/4] drm/i915: ILK + VT-d workaround
Date: Tue, 18 Oct 2011 09:35:06 +0200 [thread overview]
Message-ID: <20111018073506.GA2924@phenom.ffwll.local> (raw)
In-Reply-To: <1318891915-29310-5-git-send-email-ben@bwidawsk.net>
On Mon, Oct 17, 2011 at 03:51:55PM -0700, Ben Widawsky wrote:
> 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.
>
> Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
> ---
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2011-10-18 7:34 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
2011-10-18 7:35 ` Daniel Vetter [this message]
-- 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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