From: Dong Aisheng <dongas86@gmail.com>
To: Abel Vesa <abel.vesa@nxp.com>
Cc: 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 <devicetree@vger.kernel.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>,
linux-clk <linux-clk@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
NXP Linux Team <linux-imx@nxp.com>
Subject: Re: [RFC 05/19] devfreq: imx8m-ddrc: Change governor to powersave
Date: Tue, 9 Mar 2021 21:40:17 +0800 [thread overview]
Message-ID: <CAA+hA=TE+=uiVi1QGijO9icYwHOwwXYSXTrs=NYKfBjyCq4cTw@mail.gmail.com> (raw)
In-Reply-To: <1613750416-11901-6-git-send-email-abel.vesa@nxp.com>
On Sat, Feb 20, 2021 at 12:03 AM Abel Vesa <abel.vesa@nxp.com> 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>
Would you please help clarify a bit more why need use powersave by default?
Regards
Aisheng
> ---
> 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);
> --
> 2.29.2
>
next prev parent reply other threads:[~2021-03-09 13:41 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-19 15:59 [RFC 00/19] Rework support for i.MX8MQ interconnect with devfreq Abel Vesa
2021-02-19 15:59 ` [RFC 01/19] clk: imx8mq: Replace critical with ignore_unused flag for dram_apb clock Abel Vesa
2021-02-19 15:59 ` [RFC 02/19] dt-bindings: interconnect: imx8mq: Add missing pl301 and SAI ids Abel Vesa
2021-03-05 23:10 ` Rob Herring
2021-02-19 16:00 ` [RFC 03/19] devfreq: imx-bus: Switch governor to powersave Abel Vesa
2021-02-26 14:46 ` Chanwoo Choi
2021-02-19 16:00 ` [RFC 04/19] devfreq: imx-bus: Decouple imx-bus from icc made Abel Vesa
2021-02-26 16:52 ` Chanwoo Choi
2021-02-19 16:00 ` [RFC 05/19] devfreq: imx8m-ddrc: Change governor to powersave Abel Vesa
2021-02-26 14:47 ` Chanwoo Choi
2021-03-09 13:40 ` Dong Aisheng [this message]
2021-02-19 16:00 ` [RFC 06/19] devfreq: imx8m-ddrc: Use the opps acquired from EL3 Abel Vesa
2021-02-26 15:12 ` Chanwoo Choi
2021-02-19 16:00 ` [RFC 07/19] devfreq: imx8m-ddrc: Add late system sleep PM ops Abel Vesa
2021-02-26 15:23 ` Chanwoo Choi
2021-02-19 16:00 ` [RFC 08/19] interconnect: imx: Switch from imx_icc_node_adj_desc to fsl,icc-id node assignment Abel Vesa
2021-02-19 16:00 ` [RFC 09/19] interconnect: imx8: Remove the imx_icc_node_adj_desc Abel Vesa
2021-02-19 16:00 ` [RFC 10/19] interconnect: imx8mq: Add the pl301_per_m and pl301_wakeup nodes and subnodes Abel Vesa
2021-02-19 16:00 ` [RFC 11/19] interconnect: imx8mq: Add of_match_table Abel Vesa
2021-02-19 16:00 ` [RFC 12/19] interconnect: imx: Add imx_icc_get_bw and imx_icc_aggregate functions Abel Vesa
2021-02-19 16:00 ` [RFC 13/19] arm64: dts: imx8mq: Add fsl,icc-id property to ddrc node Abel Vesa
2021-02-19 16:00 ` [RFC 14/19] arm64: dts: imx8mq: Add fsl,icc-id to noc node Abel Vesa
2021-02-19 16:29 ` Abel Vesa
2021-02-19 16:00 ` [RFC 15/19] arm64: dts: imx8mq: Add all pl301 nodes Abel Vesa
2021-02-21 15:47 ` Krzysztof Kozlowski
2021-02-19 16:00 ` [RFC 16/19] arm64: dts: imx8mq: Add the interconnect node Abel Vesa
2021-02-19 16:00 ` [RFC 17/19] arm64: dts: imx8mq: Add interconnect properties to icc consumer nodes Abel Vesa
2021-02-19 16:00 ` [RFC 18/19] net: ethernet: fec_main: Add interconnect support Abel Vesa
2021-02-19 16:00 ` [RFC 19/19] mmc: sdhci-esdhc-imx: " Abel Vesa
2021-02-22 16:03 ` [RFC 00/19] Rework support for i.MX8MQ interconnect with devfreq Martin Kepplinger
2021-02-23 17:20 ` Abel Vesa
2021-02-25 12:13 ` Martin Kepplinger
2021-03-09 11:43 ` Abel Vesa
2021-03-24 8:03 ` Martin Kepplinger
2021-02-26 23:04 ` Chanwoo Choi
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