linux-kernel - Re: [RFC 05/19] devfreq: imx8m-ddrc: Change governor to powersave

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Message-ID: <28f71f5f-9fad-38ed-340a-6086b002f5c3@gmail.com>
Date:   Fri, 26 Feb 2021 23:47:24 +0900
From:   Chanwoo Choi <cwchoi00@...il.com>
To:     Abel Vesa <abel.vesa@....com>, Rob Herring <robh@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Georgi Djakov <djakov@...nel.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Peng Fan <peng.fan@....com>,
        Martin Kepplinger <martink@...teo.de>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     NXP Linux Team <linux-imx@....com>
Subject: Re: [RFC 05/19] devfreq: imx8m-ddrc: Change governor to powersave



On 21. 2. 20. 오전 1:00, Abel Vesa wrote:
> 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 bc82d3653bff..3a6c04ba4f2e 100644
> --- a/drivers/devfreq/imx8m-ddrc.c
> +++ b/drivers/devfreq/imx8m-ddrc.c
> @@ -379,7 +379,7 @@ 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);
> 

Acked-by: Chanwoo Choi <cw00.choi@...sung.com>

Thanks,
Chanwoo Choi