Re: [PATCH v2] nvme: Favor D3cold for suspend if NVMe device supports it

[Kai-Heng Feng]

On Mon, Apr 19, 2021 at 2:50 PM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Fri, Apr 16, 2021 at 05:13:44PM +0800, Kai-Heng Feng wrote:
> > On AMD platforms that use s2idle, NVMe timeouts on s2idle resume,
> > because their SMU FW may cut off NVMe power during sleep.
>
> We're already have a discussion on a proper quirk for thse broken
> platforms on the linux-nvme list, please take part in that discussion.

Thanks. I didn't notice v5 was sent the to mailing list.
As of now, AMD folks are also reviewing this, and I believe this
approach is less quirky.

Kai-Heng