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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


  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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