ACK/Cmt: [SRU][N][PATCH 0/1] Enable OOB P-state control for Intel Sierra Forest/Granite Rapids

Thibault Ferrante thibault.ferrante at canonical.com
Mon Apr 7 15:28:36 UTC 2025



On 07/04/2025 16:11, Vinicius Peixoto wrote:
> BugLink: https://bugs.launchpad.net/bugs/2106275
> 
> [Impact]
> 
> The intel_pstate module should not be loaded when OOB mode for P-state control is enabled, but currently the Noble kernel is only able to detect OOB mode up to Emerald Rapids CPUs. This patch enables detection for Granite Rapids/Sierra Forest CPUs.
> 
> [Fix]
> 
> Cherry pick 3ca2a3d1e727 ("cpufreq: intel_pstate: Support Granite Rapids and Sierra Forest OOB mode") into the Noble tree.
> 
> [Test plan]
> 
> Build tested only.
> 
> [Where problems could occur]
> 
> Risk of regression seems very low, but problems here could manifest as the intel_pstate driver misbehaving on Sierra Forest/Granite Rapids systems.
As described https://documentation.ubuntu.com/sru/en/latest/reference/bug-template/ : "This must never be "None" or "Low", or entirely an argument as to why your upload is low risk." So the first part of your sentence can be skipped there.> 
> Srinivas Pandruvada (1):
>    cpufreq: intel_pstate: Support Granite Rapids and Sierra Forest OOB
>      mode
> 
>   drivers/cpufreq/intel_pstate.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 

Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>





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