linux-kernel - Re: [PATCH v2 0/2] PCI: Add missing link delays

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Date:   Tue, 8 Oct 2019 12:05:40 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Matthias Andree <matthias.andree@....de>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, Lukas Wunner <lukas@...ner.de>,
        Keith Busch <keith.busch@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Alexandru Gagniuc <mr.nuke.me@...il.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] PCI: Add missing link delays

On Mon, Oct 07, 2019 at 05:15:24PM +0200, Matthias Andree wrote:
> Am 07.10.19 um 11:32 schrieb Mika Westerberg:
> > On Sat, Oct 05, 2019 at 09:34:41AM +0200, Matthias Andree wrote:
> >> Am 04.10.19 um 15:06 schrieb Mika Westerberg:
> >>> On Fri, Oct 04, 2019 at 02:57:21PM +0200, Matthias Andree wrote:
> >>>> Am 04.10.19 um 14:39 schrieb Mika Westerberg:
> >>>>> @Matthias, @Paul and @Nicholas, I appreciate if you could check that this
> >>>>> does not cause any issues for your systems.
> >>>> Just to be sure: is this intended to be applied against the 5.4-rc*
> >>>> master branch?
> >>> Yes, it applies on top of v5.4-rc1.
> >> I am sorry to say that I cannot currently test - my computer has a
> >> GeForce 1060-6GB an no onboard/on-chip graphics.
> >> The nvidia module 435.21 does not compile against 5.4-rc* for me (5.3.1
> >> was fine).
> > I think the two patches should apply cleanly on 5.3.x as well.
> 
> Mika, that worked.
> 
> With your two patches on top of Linux 5.3.4, two Suspend-to-RAM cycles
> (ACPI S3), one Suspend-to-disk cycle (ACPI S4),
> no regressions observed => success?

Yes, if it did not hang during resume (because of the PME loop) I think
it should be declared as success :)

Thanks a lot for testing!