ACK: [SRU][N][PATCH 0/2] power: intel_pstate: HWP interrupt support for maximum ratio changed

Magali Lemes magali.lemes at canonical.com
Tue Dec 17 13:25:20 UTC 2024


On 02/12/2024 13:28, Thibault Ferrante wrote:
> [ Impact ]
> 
>   * Performance improvement for intel hardware with dynamic HWP (Hardware P-States)
> 
> [ Fix ]
> 
> Upstream commits support dynamic HWP:
>    7ea81936b853 x86/cpufeatures: Add HWP highest perf change feature flag
>    d845cd901b28 cpufreq: intel_pstate: Support highest performance change interrupt
> 
> [ Test Plan ]
> 
>   * check on supported hardware that the correct max cpu freq is detected
> 
> [ Where problems could occur ]
> 
>   * Regression on intel CPU frequency
> 
> 
> Srinivas Pandruvada (2):
>    x86/cpufeatures: Add HWP highest perf change feature flag
>    cpufreq: intel_pstate: Support highest performance change interrupt
> 
>   arch/x86/include/asm/cpufeatures.h |  1 +
>   drivers/cpufreq/intel_pstate.c     | 23 +++++++++++++++++++----
>   2 files changed, 20 insertions(+), 4 deletions(-)
> 

Acked-by: Magali Lemes <magali.lemes at canonical.com>



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