APPLIED[F]: [SRU] [E/F/OEM-OSP1-B] [PATCH 0/1] Reduce s2idle power consumption when ethernet cable is connected on e1000e

Seth Forshee seth.forshee at canonical.com
Tue Jan 21 23:13:30 UTC 2020


On Fri, Jan 10, 2020 at 01:44:01PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1859126
> 
> [Impact]
> When ethernet cable is connected, power consumption is quite high under
> suspend-to-idle.
> 
> [Fix]
> Enable s0ix support for e1000e.
> 
> [Test]
> When ethernet cable is connected, the power consumption is ~2.5w.
> After applying the patch, it can be lowered to ~1.8w.
> 
> [Regression Potential]
> Low. This fix is limited to fairly recent I219 hardwares.

Applied to focal/master-next, thanks!



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