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Message-ID: <20240307222545.GA655965@bhelgaas>
Date: Thu, 7 Mar 2024 16:25:45 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: linux-pci@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
"David E . Box" <david.e.box@...ux.intel.com>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
"Rafael J . Wysocki" <rafael@...nel.org>,
Tasev Nikola <tasev.stefanoska@...net.be>,
Mark Enriquez <enriquezmark36@...il.com>,
Thomas Witt <kernel@...t.link>,
Werner Sembach <wse@...edocomputers.com>,
Vidya Sagar <vidyas@...dia.com>,
Kai-Heng Feng <kai.heng.feng@...onical.com>,
Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>,
Ricky Wu <ricky_wu@...ltek.com>,
Mario Limonciello <mario.limonciello@....com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Koba Ko <koba.ko@...onical.com>
Subject: Re: [PATCH v7 0/5] PCI/ASPM: Save/restore L1 PM Substates for
suspend/resume
[+cc Koba Ko]
On Tue, Mar 05, 2024 at 03:46:56PM -0600, Bjorn Helgaas wrote:
> On Fri, Feb 23, 2024 at 02:58:46PM -0600, Bjorn Helgaas wrote:
> > From: Bjorn Helgaas <bhelgaas@...gle.com>
> >
> > This is some rework of David's series to preserve ASPM L1 substate
> > configuration across suspend/resume.
> > ...
> > David E. Box (5):
> > PCI/ASPM: Move pci_configure_ltr() to aspm.c
> > PCI/ASPM: Always build aspm.c
> > PCI/ASPM: Move pci_save_ltr_state() to aspm.c
> > PCI/ASPM: Save L1 PM Substates Capability for suspend/resume
> > PCI/ASPM: Call pci_save_ltr_state() from pci_save_pcie_state()
> >
> > drivers/pci/pci.c | 89 ++++------------
> > drivers/pci/pci.h | 13 ++-
> > drivers/pci/pcie/Makefile | 2 +-
> > drivers/pci/pcie/aspm.c | 215 ++++++++++++++++++++++++++++++++++++++
> > drivers/pci/probe.c | 62 +----------
> > include/linux/pci.h | 2 +-
> > 6 files changed, 252 insertions(+), 131 deletions(-)
>
> I applied these as pci/aspm for v6.9, replacing the original unlabeled
> v6 that has been in -next.
Would anybody be able to test this, particularly to make sure it works
for the bugs we're claiming to fix with this series?
https://bugzilla.kernel.org/show_bug.cgi?id=217321
https://bugzilla.kernel.org/show_bug.cgi?id=216782
https://bugzilla.kernel.org/show_bug.cgi?id=216877
This series is headed for v6.9, and I hope we can finally claim
victory over these issues.
This is in -next as of the Mar 7 tree. Or if you want just the ASPM
changes, based on v6.8-rc1, you can use the branch at
https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git/log/?h=aspm
Bjorn
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