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

Timo Aaltonen tjaalton at ubuntu.com
Fri Jan 10 06:08:11 UTC 2020


On 10.1.2020 7.44, 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.
> 
> Sasha Neftin (1):
>   e1000e: Add support for S0ix
> 
>  drivers/net/ethernet/intel/e1000e/netdev.c | 182 +++++++++++++++++++++
>  drivers/net/ethernet/intel/e1000e/regs.h   |   4 +
>  2 files changed, 186 insertions(+)

applied to osp1 oem-next, thanks


-- 
t



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