[SRU][Q][PATCH 0/2] Enable RTL ASPM for new Dell platforms

Aaron Ma aaron.ma at canonical.com
Fri Dec 26 06:53:36 UTC 2025


Fix for specific laptop models with proper tests,
and looks safe for older ones.

Acked-by: Aaron Ma <aaron.ma at canonical.com>

On Fri, Dec 26, 2025 at 11:26 AM AceLan Kao <acelan.kao at canonical.com> wrote:
>
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/2121200
>
> [Impact]
> To pass the energy star cert, the ASPM feature on RTL NIC should be enabled.
>
> [Fix]
> Enable the ASPM feature on all new Dell platforms, the family names are used on the new Dell platforms.
>    Alienware
>    Dell Laptops
>    Dell Pro Laptops
>    Dell Pro Max Laptops
>    Dell Desktops
>    Dell Pro Desktops
>    Dell Pro Max Desktops
>    Dell Pro Rugged Laptops
>    Dell Pro Precision
>    Dell Pro Essential
>    Dell Pro Education
>    XPS
>
> [Test]
> 1. check the value of /sys/power/suspend_stats/total_hw_sleep
> 2. suspend and resume the system
> 3. the value of /sys/power/suspend_stats/total_hw_sleep increases
>
> [Where problems could occur]
> The listed family names are used in the new Dell platforms, so should not
> impact the existing platforms. And Dell will push Realtek to fix the ASPM
> issue found on RTL NIC.
>
> Chia-Lin Kao (AceLan) (2):
>   UBUNTU: SAUCE: r8169: enable ASPM on all new Dell platforms
>   UBUNTU: SAUCE: r8169: Add more Dell platforms to enable ASPM
>
>  drivers/net/ethernet/realtek/r8169_main.c | 34 +++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
>
> --
> 2.43.0
>
>
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