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Date:   Wed, 28 Apr 2021 16:15:18 -0500
From:   Bjorn Helgaas <helgaas@kernel.org>
To:     Ian Kumlien <ian.kumlien@gmail.com>
Cc:     Kai-Heng Feng <kai.heng.feng@canonical.com>,
        linux-pci <linux-pci@vger.kernel.org>,
        Alexander Duyck <alexander.duyck@gmail.com>,
        "Saheed O. Bolarinwa" <refactormyself@gmail.com>,
        Puranjay Mohan <puranjay12@gmail.com>
Subject: Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check
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On Mon, Apr 26, 2021 at 04:36:24PM +0200, Ian Kumlien wrote:
> On Thu, Feb 25, 2021 at 11:03 PM Bjorn Helgaas <helgaas@kernel.org> wrote:
> >
> > On Wed, Feb 24, 2021 at 11:19:55PM +0100, Ian Kumlien wrote:
> 
> [... 8<...]
> 
> > I think the most useful information would be the ASPM configuration of
> > the tree rooted at 00:01.2 under Windows, since there the NIC should
> > be supported and have good performance.
> 
> So the AMD bios patches to fix USB issues seems to have fixed this
> issue as well!

Really?  That's amazing!  I assume they did this by changing the exit
or acceptable latency values?

It would be really interesting to see the "lspci -vv" output after the
BIOS update.

Thanks a lot for following up on this!

Bjorn