APPLIED[Unstable]: [SRU] [F/G/Unstable/OEM-5.6] [PATCH 0/2] Remove NVMe suspend-to-idle workaround

Seth Forshee seth.forshee at canonical.com
Fri Oct 2 01:01:06 UTC 2020


On Fri, Sep 25, 2020 at 03:41:22PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1897227
> 
> [Impact]
> We already have correct NVMe suspend-to-idle implementation, we can
> remove workaround we carried in Ubuntu kernel.
> 
> [Fix]
> Revert unnecessary no D3 quirks we used as workaround.
> 
> [Test]
> After the revert, both NVMe still use native power saving mechanism as
> intended.
> 
> [Regression Potential]
> Though unlikely, if there is any platform that uses legacy S3 and needs
> to keep the NVMe device in D0 instead of D3, this might have impact on
> that scenario.

Applied to unstable/master, thanks!



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