CMT: Re: [PATCH 1/1][SRU][J/OEM-5.14] UBUNTU: SAUCE: Revert "drm/amd/pm: enable ASPM by default"

Koba Ko koba.ko at canonical.com
Thu Apr 14 14:02:22 UTC 2022


On Thu, Apr 14, 2022 at 7:37 PM Paolo Pisati <paolo.pisati at canonical.com> wrote:
>
> On Tue, Mar 29, 2022 at 12:38:42PM +0800, Kai-Heng Feng wrote:
> > >> Is the "real fix" already in upstream or still under discussion?
> > >
> > >
> > > Discussing with AMD.
> >
> > Thanks. Have you tried to disable ASPM on suspend path, and re-enable
> > it on resume?
> > There were many attempts to do that on PCI mailing list, maybe this is
> > another case to persuade PCI maintainer to accept it.
>
> What's the status of this? Has the real fix already landed somewhere we
> can cherry-pick it?
AMD guys sent another patch to disable ASPM on ADL platform
but it's still under discussing.
https://lore.kernel.org/dri-devel/20220408190502.4103670-1-richard.gong@amd.com/
> --
> bye,
> p.



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