From: Bjorn Helgaas <helgaas@kernel.org>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Karol Herbst <kherbst@redhat.com>,
Patrick Volkerding <volkerdi@gmail.com>,
Lyude Paul <lyude@redhat.com>,
Linux PCI <linux-pci@vger.kernel.org>,
Ben Skeggs <bskeggs@redhat.com>,
Bjorn Helgaas <bhelgaas@google.com>,
nouveau <nouveau@lists.freedesktop.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
LKML <linux-kernel@vger.kernel.org>,
Kai-Heng Feng <kai.heng.feng@canonical.com>,
Sasha Levin <sashal@kernel.org>
Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"
Date: Fri, 24 Jul 2020 09:35:49 -0500 [thread overview]
Message-ID: <20200724143549.GA1516749@bjorn-Precision-5520> (raw)
In-Reply-To: <20200724095751.GU1375436@lahna.fi.intel.com>
On Fri, Jul 24, 2020 at 12:57:51PM +0300, Mika Westerberg wrote:
> On Thu, Jul 23, 2020 at 10:30:58PM +0200, Karol Herbst wrote:
> > On Wed, Jul 22, 2020 at 11:25 AM Mika Westerberg
> > <mika.westerberg@linux.intel.com> wrote:
> > >
> > > On Tue, Jul 21, 2020 at 01:37:12PM -0500, Patrick Volkerding wrote:
> > > > On 7/21/20 10:27 AM, Mika Westerberg wrote:
> > > > > On Tue, Jul 21, 2020 at 11:01:55AM -0400, Lyude Paul wrote:
> > > > >> Sure thing. Also, feel free to let me know if you'd like access to one of the
> > > > >> systems we saw breaking with this patch - I'm fairly sure I've got one of them
> > > > >> locally at my apartment and don't mind setting up AMT/KVM/SSH
> > > > > Probably no need for remote access (thanks for the offer, though). I
> > > > > attached a test patch to the bug report:
> > > > >
> > > > > https://bugzilla.kernel.org/show_bug.cgi?id=208597
> > > > >
> > > > > that tries to work it around (based on the ->pm_cap == 0). I wonder if
> > > > > anyone would have time to try it out.
> > > >
> > > >
> > > > Hi Mika,
> > > >
> > > > I can confirm that this patch applied to 5.4.52 fixes the issue with
> > > > hybrid graphics on the Thinkpad X1 Extreme gen2.
> > >
> > > Great, thanks for testing!
> >
> > yeah, works on the P1G2 as well.
>
> Thanks for testing!
>
> Since we have the revert queued for this release cycle, I think I will
> send an updated version of "PCI/PM: Assume ports without DLL Link Active
> train links in 100 ms" after v5.9-rc1 is released that has this
> workaround in place.
>
> (I'm continuing my vacation so will be offline next week).
Sounds fine, sorry for interrupting your vacation!
next prev parent reply other threads:[~2020-07-24 14:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-07 19:30 nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" Karol Herbst
2020-07-16 22:10 ` Karol Herbst
2020-07-16 23:54 ` Bjorn Helgaas
2020-07-17 0:43 ` Karol Herbst
2020-07-17 11:32 ` Karol Herbst
2020-07-21 12:22 ` Mika Westerberg
2020-07-21 15:01 ` Lyude Paul
2020-07-21 15:27 ` Mika Westerberg
2020-07-21 16:00 ` Lyude Paul
2020-07-21 18:24 ` Lyude Paul
2020-07-22 9:23 ` Mika Westerberg
2020-07-21 18:37 ` Patrick Volkerding
2020-07-22 9:25 ` Mika Westerberg
2020-07-23 20:30 ` Karol Herbst
2020-07-24 9:57 ` Mika Westerberg
2020-07-24 14:35 ` Bjorn Helgaas [this message]
2020-07-17 14:43 ` Sasha Levin
2020-07-17 22:59 ` Bjorn Helgaas
2020-07-17 19:04 ` Lyude Paul
2020-07-17 19:52 ` Lukas Wunner
2020-07-21 13:08 ` Mika Westerberg
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