NAK: [PATCH 0/2][SRU][J][K][OEM-5.14][OEM-5.17] System freeze after resuming from suspend due to PCI ASPM settings

[AceLan Kao]

Tim Gardner <tim.gardner at canonical.com> 於 2022年7月7日 週四 晚上9:06寫道：
>
> On 7/6/22 05:40, AceLan Kao wrote:
> > From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
> >
> > BugLink: https://bugs.launchpad.net/bugs/1980829
> >
> > [Impact]
> > While doing some tests such as suspend/resume or CPU stress tests the system would hang.
> >
> > [Fix]
> > The 2 commits fix the issue, but still not get accepted yet.
> > https://patchwork.ozlabs.org/project/linux-pci/patch/20220705060014.10050-1-vidyas@nvidia.com/
> > https://patchwork.ozlabs.org/project/linux-pci/patch/20220509073639.2048236-1-kai.heng.feng@canonical.com/
> >
> > [Test]
> > Verified on the failed machines and ODM also verified on their side.
> >
> > [Where problems could occur]
> > The 2 patches look pretty safe to me, they try to preserve the ASPM state of devices.
> >
> > Kai-Heng Feng (1):
> >    PCI:ASPM: Remove pcie_aspm_pm_state_change()
> >
> > Vidya Sagar (1):
> >    PCI/ASPM: Save/restore L1SS Capability for suspend/resume
> >
> >   drivers/pci/pci.c       | 10 +++++--
> >   drivers/pci/pci.h       |  6 ++--
> >   drivers/pci/pcie/aspm.c | 63 ++++++++++++++++++++++++++++-------------
> >   3 files changed, 55 insertions(+), 24 deletions(-)
> >
>
> "PCI/ASPM: Save/restore L1SS Capability for suspend/resume" has been
> reverted in linux-next.
The revision I submitted for SRU is v2 which was submitted to upstream
at July 5, 2022
The reverted one is an old patch which just has the same subject as this one.