Re: [PATCH] base: arch_topology: Use policy->max to calculate freq_factor

[Lukasz Luba]

On 11/15/21 8:10 PM, Thara Gopinath wrote:
> cpuinfo.max_freq can reflect boost frequency if enabled during boot.  Since
> we don't consider boost frequencies while calculating cpu capacities, use
> policy->max to populate the freq_factor during boot up.
>
> Signed-off-by: Thara Gopinath <thara.gopinath@xxxxxxxxxx>
> ---
>   drivers/base/arch_topology.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
> index 43407665918f..df818b439bc3 100644
> --- a/drivers/base/arch_topology.c
> +++ b/drivers/base/arch_topology.c
> @@ -334,7 +334,7 @@ init_cpu_capacity_callback(struct notifier_block *nb,
>   	cpumask_andnot(cpus_to_visit, cpus_to_visit, policy->related_cpus);
>   
>   	for_each_cpu(cpu, policy->related_cpus)
> -		per_cpu(freq_factor, cpu) = policy->cpuinfo.max_freq / 1000;
> +		per_cpu(freq_factor, cpu) = policy->max / 1000;
>   
>   	if (cpumask_empty(cpus_to_visit)) {
>   		topology_normalize_cpu_scale();

LGTM

Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxxx>