Re: [PATCH v1 5/5] cpufreq: CPPC: Enable dvfs_possible_from_any_cpu

[Viresh Kumar]

On 11-05-22, 15:45, Pierre Gondois wrote:
> From: Pierre Gondois <Pierre.Gondois@xxxxxxx>
> 
> The communication mean of the _CPC desired performance can be
> PCC, System Memory, System IO, or Functional Fixed Hardware (FFH).
> 
> PCC, SystemMemory and SystemIo address spaces are available from any
> CPU. Thus, dvfs_possible_from_any_cpu should be enabled in such case.
> For FFH, let the FFH implementation do smp_call_function_*() calls.
> 
> Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx>
> ---
>  drivers/cpufreq/cppc_cpufreq.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
> index 000a0c610c30..ad1535fbf389 100644
> --- a/drivers/cpufreq/cppc_cpufreq.c
> +++ b/drivers/cpufreq/cppc_cpufreq.c
> @@ -558,6 +558,7 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
>  	}
>  
>  	policy->fast_switch_possible = cppc_allow_fast_switch();
> +	policy->dvfs_possible_from_any_cpu = true;
>  
>  	/*
>  	 * If 'highest_perf' is greater than 'nominal_perf', we assume CPU Boost

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

-- 
viresh