linux-kernel - Re: [PATCH v11 1/8] cpufreq: amd-pstate: Document *_limit_* fields in struct amd

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Message-ID: <ZieMAr//Ofu1ZE0G@amd.com>
Date: Tue, 23 Apr 2024 18:22:58 +0800
From: Huang Rui <ray.huang@....com>
To: "Yuan, Perry" <Perry.Yuan@....com>
Cc: "rafael.j.wysocki@...el.com" <rafael.j.wysocki@...el.com>,
	"Limonciello, Mario" <Mario.Limonciello@....com>,
	"viresh.kumar@...aro.org" <viresh.kumar@...aro.org>,
	"Shenoy, Gautham Ranjal" <gautham.shenoy@....com>,
	"Petkov, Borislav" <Borislav.Petkov@....com>,
	"Deucher, Alexander" <Alexander.Deucher@....com>,
	"Huang, Shimmer" <Shimmer.Huang@....com>,
	"oleksandr@...alenko.name" <oleksandr@...alenko.name>,
	"Du, Xiaojian" <Xiaojian.Du@....com>,
	"Meng, Li (Jassmine)" <Li.Meng@....com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v11 1/8] cpufreq: amd-pstate: Document *_limit_* fields
 in struct amd_cpudata

On Tue, Apr 23, 2024 at 03:58:17PM +0800, Yuan, Perry wrote:
> From: "Gautham R. Shenoy" <gautham.shenoy@....com>
> 
> The four fields of struct cpudata namely min_limit_perf,
> max_limit_perf, min_limit_freq, max_limit_freq introduced in the
> commit febab20caeba("cpufreq/amd-pstate: Fix scaling_min_freq and
> scaling_max_freq update") are currently undocumented
> 
> Add comments describing these fields
> 
> Acked-by: Huang Rui <ray.huang@....com>
> Fixes: febab20caeba("cpufreq/amd-pstate: Fix scaling_min_freq and scaling_max_freq update")
> Reviewed-by: Li Meng <li.meng@....com>
> Tested-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>
> Signed-off-by: Gautham R. Shenoy <gautham.shenoy@....com>
> Signed-off-by: Perry Yuan <perry.yuan@....com>
> ---
>  include/linux/amd-pstate.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h
> index d21838835abd..212f377d615b 100644
> --- a/include/linux/amd-pstate.h
> +++ b/include/linux/amd-pstate.h
> @@ -49,6 +49,10 @@ struct amd_aperf_mperf {
>   * @lowest_perf: the absolute lowest performance level of the processor
>   * @prefcore_ranking: the preferred core ranking, the higher value indicates a higher
>   * 		  priority.
> + * @min_limit_perf: Cached value of the perf corresponding to policy->min
> + * @max_limit_perf: Cached value of the perf corresponding to policy->max

Perry, you didn't address the comment in the latest version.

https://lore.kernel.org/lkml/ZhyEwE3Hr8Waf620@amd.com/

Thanks,
Ray

> + * @min_limit_freq: Cached value of policy->min
> + * @max_limit_freq: Cached value of policy->max
>   * @max_freq: the frequency that mapped to highest_perf
>   * @min_freq: the frequency that mapped to lowest_perf
>   * @nominal_freq: the frequency that mapped to nominal_perf
> -- 
> 2.34.1
>