From: Lukasz Luba <lukasz.luba@arm.com>
To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
vireshk@kernel.org, robh+dt@kernel.org
Cc: sboyd@kernel.org, nm@ti.com, rafael@kernel.org,
sudeep.holla@arm.com, daniel.lezcano@linaro.org,
Dietmar.Eggemann@arm.com, lukasz.luba@arm.com
Subject: [PATCH 4/4] firmware: arm_scmi/perf: Mark sustainable OPP
Date: Wed, 28 Oct 2020 14:08:47 +0000 [thread overview]
Message-ID: <20201028140847.1018-5-lukasz.luba@arm.com> (raw)
In-Reply-To: <20201028140847.1018-1-lukasz.luba@arm.com>
Mark sustainable OPP frequency based on previously received value from
the firmware.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
---
drivers/firmware/arm_scmi/perf.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index 82fb3babff72..a8f3fa1d7f1e 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -669,6 +669,16 @@ static int scmi_dvfs_device_opps_add(const struct scmi_handle *handle,
return ret;
}
}
+
+ if (dom->sustained_freq_khz) {
+ /* The sustained frequency is always in kHz */
+ freq = dom->sustained_freq_khz * 1000;
+ ret = dev_pm_opp_set_sustainable_opp_freq(dev, freq);
+ if (ret)
+ dev_warn(dev, "failed to add sustainable freq=%lu %d\n",
+ freq, ret);
+ }
+
return 0;
}
--
2.17.1
next prev parent reply other threads:[~2020-10-28 22:27 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-28 14:08 [PATCH 0/4] Add sustainable OPP concept Lukasz Luba
2020-10-28 14:08 ` [PATCH 1/4] dt-bindings: opp: Introduce opp-sustainable bindings Lukasz Luba
2020-10-28 21:47 ` Nishanth Menon
2020-10-29 10:04 ` Lukasz Luba
2020-10-29 12:59 ` Nishanth Menon
2020-10-29 13:33 ` Lukasz Luba
2020-10-29 13:49 ` Nishanth Menon
2020-10-29 14:20 ` Lukasz Luba
2020-10-30 19:34 ` Rob Herring
2020-11-02 8:40 ` Lukasz Luba
2020-10-28 14:08 ` [PATCH 2/4] OPP: Add support for parsing the 'opp-sustainable' property Lukasz Luba
2020-10-30 11:47 ` Quentin Perret
2020-10-30 12:53 ` Lukasz Luba
2020-10-28 14:08 ` [PATCH 3/4] OPP: Add dev_pm_opp_set_sustainable_opp_freq() Lukasz Luba
2020-10-28 14:08 ` Lukasz Luba [this message]
2020-10-29 7:40 ` [PATCH 0/4] Add sustainable OPP concept Viresh Kumar
2020-10-29 7:53 ` Viresh Kumar
2020-10-29 9:56 ` Lukasz Luba
2020-10-30 8:29 ` Viresh Kumar
2020-10-30 9:19 ` Lukasz Luba
2020-10-30 9:52 ` Viresh Kumar
2020-10-30 10:56 ` Lukasz Luba
2020-10-30 11:17 ` Viresh Kumar
2020-10-30 12:40 ` Lukasz Luba
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