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

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Date: Tue, 12 Mar 2024 15:17:25 +0530
From: Sibi Sankar <quic_sibis@...cinc.com>
To: <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>,
        <d-gole@...com>
CC: <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>,
        Sibi Sankar
	<quic_sibis@...cinc.com>
Subject: [PATCH V4 1/2] firmware: arm_scmi: Add support for marking certain frequencies as turbo

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