linux-kernel - [PATCH V2 1/3] OPP: Extend dev_pm_opp

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Message-ID: <20240227173434.650334-2-quic_sibis@quicinc.com>
Date: Tue, 27 Feb 2024 23:04:32 +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>
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 V2 1/3] OPP: Extend dev_pm_opp_data with turbo support

Let's extend the dev_pm_opp_data with a turbo variable, to allow users to
specify if it's a boost frequency for a dynamically added OPP.

Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
---

v2:
* Document boost flag. [Lukasz]

 drivers/opp/core.c     | 1 +
 include/linux/pm_opp.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index c4e0432ae42a..e233734b7220 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2065,6 +2065,7 @@ int _opp_add_v1(struct opp_table *opp_table, struct device *dev,
 	/* populate the opp table */
 	new_opp->rates[0] = data->freq;
 	new_opp->level = data->level;
+	new_opp->turbo = data->turbo;
 	tol = u_volt * opp_table->voltage_tolerance_v1 / 100;
 	new_opp->supplies[0].u_volt = u_volt;
 	new_opp->supplies[0].u_volt_min = u_volt - tol;
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index f1ac8bde09cb..065a47382302 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -88,12 +88,14 @@ struct dev_pm_opp_config {
 
 /**
  * struct dev_pm_opp_data - The data to use to initialize an OPP.
+ * @turbo: Flag to indicate whether the OPP is to be marked turbo or not.
  * @level: The performance level for the OPP. Set level to OPP_LEVEL_UNSET if
  * level field isn't used.
  * @freq: The clock rate in Hz for the OPP.
  * @u_volt: The voltage in uV for the OPP.
  */
 struct dev_pm_opp_data {
+	bool turbo;
 	unsigned int level;
 	unsigned long freq;
 	unsigned long u_volt;
-- 
2.34.1