APPLIED: [SRU][N:linux][PATCH v2 0/2] intel_idle: add Granite Rapids Xeon (D) support

Mehmet Basaran mehmet.basaran at canonical.com
Thu Apr 10 18:54:22 UTC 2025


Applied to noble:linux master-next branch. Thanks.

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Thibault Ferrante <thibault.ferrante at canonical.com> writes:

> BugLink: https://bugs.launchpad.net/bugs/2106638
>
> [ Impact ]
>
>  * Improve management of C-states in Granite Rapids Xeon (D) hardware.
>
> [ Fix ]
>
>  * Cherry-pick from upstream:
>  370406bf5738 intel_idle: add Granite Rapids Xeon support
>  f557e0d1c2e6 intel_idle: add Granite Rapids Xeon D support
>
>  * Small backporting has to be done due to missing `intel_idle: Switch to new Intel CPU model defines`
>  and `intel_idle: fix ACPI _CST matching for newer Xeon platforms` which included some fixes which were
>  dropped.
>
> [ Test Plan ]
>
>  * Built and boot tested
>
> [ Where problems could occur ]
>
>  * Regression in performance in Granite Rapids Xeon.
>
> v2: Added buglink to the coverletter
>
> Artem Bityutskiy (2):
>   intel_idle: add Granite Rapids Xeon support
>   intel_idle: add Granite Rapids Xeon D support
>
>  drivers/idle/intel_idle.c | 96 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 96 insertions(+)
>
> -- 
> 2.48.1
>
>
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
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