Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

From	Joerg Roedel <jroedel@suse.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs
Date	2017-06-15 16:10 +0200
Message-ID	<tSDDb-3sa-1@gated-at.bofh.it> (permalink)
References	<ttDdo-8mD-27@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi Bjorn,

On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
> 
> ATS is broken on this hardware and causes IOMMU stalls and
> system failure. Disable ATS on these devices to make them
> usable again with IOMMU enabled.
> 
> Note that the commit in the Fixes-tag is not buggy, it
> just uncovers the problem in the hardware by increasing
> the ATS-flush rate.
> 
> Fixes: b1516a14657a ('iommu/amd: Implement flush queue')
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
> ---
>  drivers/pci/quirks.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)

Any more objections on this patch? Please let me know if you want to
have something changed.


Regards,

	Joerg

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Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs Joerg Roedel <jroedel@suse.de> - 2017-06-15 16:10 +0200
  Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs Samuel Sieb <samuel@sieb.net> - 2017-06-15 19:10 +0200
    RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs "Deucher, Alexander" <Alexander.Deucher@amd.com> - 2017-06-15 20:20 +0200
  Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs Bjorn Helgaas <helgaas@kernel.org> - 2017-06-15 21:20 +0200
    Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs Joerg Roedel <jroedel@suse.de> - 2017-06-16 18:30 +0200

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