APPLIED [OEM-5.14] Re: [SRU] [Unstable/OEM-5.13/OEM-5.14] [PATCH 0/1] Fix sluggish r8169 by disaling ASPM L1.2

[Timo Aaltonen]

On 7.9.2021 7.15, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1942830
> 
> [Impact]
> Realtek r8169 has abysmal network speed.
> 
> [Fix]
> Disable ASPM L1.2 because the device takes a long time to exit from
> L1.2.
> 
> [Test]
> Use `iperf` to test network speed.
> When ASPM L1.2 gets disabled, TX and RX and reach ~700Mbps and ~900Mbps
> respectively.
> 
> [Where problems could occur]
> Disabling ASPM L1.2 can slightly increase power consumption. The CPU
> package C-State seems to be unaffected so the increase is rather minor.
> 
> Kai-Heng Feng (1):
>    UBUNTU: SAUCE: r8169: Disable ASPM L1.2
> 
>   drivers/net/ethernet/realtek/r8169_main.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

applied to oem-5.14, thanks

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