linux-kernel - Re: [PATCH V4 1/2] firmware: arm_scmi: Add support for marking certain frequencies as turbo

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Date: Tue, 12 Mar 2024 17:39:53 +0530
From: Dhruva Gole <d-gole@...com>
To: Sibi Sankar <quic_sibis@...cinc.com>
CC: <sudeep.holla@....com>, <cristian.marussi@....com>, <rafael@...nel.org>,
        <viresh.kumar@...aro.org>, <morten.rasmussen@....com>,
        <dietmar.eggemann@....com>, <lukasz.luba@....com>, <sboyd@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_mdtipton@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <nm@...com>
Subject: Re: [PATCH V4 1/2] firmware: arm_scmi: Add support for marking
 certain frequencies as turbo

On Mar 12, 2024 at 15:17:25 +0530, Sibi Sankar wrote:
> All opps above the sustained frequency are treated as turbo, so mark them
> accordingly.
> 
> Suggested-by: Sudeep Holla <sudeep.holla@....com>
> Reviewed-by: Sudeep Holla <sudeep.holla@....com>
> Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
> ---
> 
> v4:
> * Pickup Rbs
> * Use turbo and simplify setting turbo. [Dhruva/Viresh]
> 
>  drivers/firmware/arm_scmi/perf.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
> index 8e832d1ad825..345fff167b52 100644
> --- a/drivers/firmware/arm_scmi/perf.c
> +++ b/drivers/firmware/arm_scmi/perf.c
> @@ -871,6 +871,9 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph,
>  		else
>  			freq = dom->opp[idx].indicative_freq * dom->mult_factor;
>  
> +		/* All OPPs above the sustained frequency are treated as turbo */
> +		data.turbo = freq > dom->sustained_freq_khz * 1000;
> +

Reviewed-by: Dhruva Gole <d-gole@...com>

>  		data.level = dom->opp[idx].perf;
>  		data.freq = freq;
>  
> -- 
> 2.34.1
> 

-- 
Best regards,
Dhruva Gole <d-gole@...com>