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Subject: Re: [RFC 05/19] devfreq: imx8m-ddrc: Change governor to powersave
To:     Abel Vesa <abel.vesa@nxp.com>, Rob Herring <robh@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <kernel@pengutronix.de>,
        Lucas Stach <l.stach@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        Chanwoo Choi <cw00.choi@samsung.com>,
        Georgi Djakov <djakov@kernel.org>,
        Dong Aisheng <aisheng.dong@nxp.com>,
        Peng Fan <peng.fan@nxp.com>,
        Martin Kepplinger <martink@posteo.de>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-clk@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc:     NXP Linux Team <linux-imx@nxp.com>
References: <1613750416-11901-1-git-send-email-abel.vesa@nxp.com>
 <1613750416-11901-6-git-send-email-abel.vesa@nxp.com>
From:   Chanwoo Choi <cwchoi00@gmail.com>
Message-ID: <28f71f5f-9fad-38ed-340a-6086b002f5c3@gmail.com>
Date:   Fri, 26 Feb 2021 23:47:24 +0900
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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@nxp.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@samsung.com>

Thanks,
Chanwoo Choi