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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