linux-kernel - Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"

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Date:   Tue, 21 Jul 2020 15:22:47 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Karol Herbst <kherbst@...hat.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Linux PCI <linux-pci@...r.kernel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lyude Paul <lyude@...hat.com>,
        nouveau <nouveau@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Patrick Volkerding <volkerdi@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports
 without DLL Link Active train links in 100 ms"

Hi,

[Sorry for the delay, I was on vacation]

On Fri, Jul 17, 2020 at 01:32:10PM +0200, Karol Herbst wrote:
> Filed at https://bugzilla.kernel.org/show_bug.cgi?id=208597

Thanks for reporting.

I'll check your logs and try to figure if there is something we can do
to make both nouveau and TBT working at the same time.

> oddly enough I wasn't able to reproduce it on my XPS 9560, will ping
> once something breaks.