linux-kernel - Re: [PATCH v7 7/8] PCI: Enable NO_BUS

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Message-ID: <762dd911-2899-f4e7-da38-860316febbf0@nvidia.com>
Date:   Thu, 10 Jun 2021 18:43:26 -0500
From:   Shanker R Donthineni <sdonthineni@...dia.com>
To:     Bjorn Helgaas <helgaas@...nel.org>,
        Amey Narkhede <ameynarkhede03@...il.com>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>, <alex.williamson@...hat.com>,
        Raphael Norwitz <raphael.norwitz@...anix.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kw@...ux.com>, Sinan Kaya <okaya@...nel.org>,
        Len Brown <lenb@...nel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>
Subject: Re: [PATCH v7 7/8] PCI: Enable NO_BUS_RESET quirk for Nvidia GPUs

Hi Bjorn,

On 6/10/21 6:16 PM, Bjorn Helgaas wrote:
>> From: Shanker Donthineni <sdonthineni@...dia.com>
>>
>> On select platforms, some Nvidia GPU devices do not work with SBR.
> Interesting that you say "on select platforms."  Apparently SBR does
> work for some of these GPUs, but not on all platforms?  If you have
> any clarification here, I can still update the commit log.
>
Yes, SBR works for some GPUs but GPUs which are listed in this quirk will
not work and these GPUs are available only on selected server platforms.
I believe commit text reflects the issue but please update if needed. 

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