linux-kernel - [RFC 04/19] devfreq: imx8m-ddrc: Change governor to powersave

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Message-Id: <1631554694-9599-5-git-send-email-abel.vesa@nxp.com>
Date:   Mon, 13 Sep 2021 20:37:59 +0300
From:   Abel Vesa <abel.vesa@....com>
To:     Rob Herring <robh@...nel.org>, Dong Aisheng <aisheng.dong@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Georgi Djakov <djakov@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        linux-serial@...r.kernel.org, NXP Linux Team <linux-imx@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Abel Vesa <abel.vesa@....com>
Subject: [RFC 04/19] devfreq: imx8m-ddrc: Change governor to powersave

By switching to powersave governor, we allow the imx8m-ddrc to always
run at minimum rate needed by all the running masters.

Signed-off-by: Abel Vesa <abel.vesa@....com>
---
 drivers/devfreq/imx8m-ddrc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
index 16636973eb10..583123bf2100 100644
--- a/drivers/devfreq/imx8m-ddrc.c
+++ b/drivers/devfreq/imx8m-ddrc.c
@@ -367,7 +367,7 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct imx8m_ddrc *priv;
-	const char *gov = DEVFREQ_GOV_USERSPACE;
+	const char *gov = DEVFREQ_GOV_POWERSAVE;
 	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-- 
2.31.1