linux-kernel - Re: [PATCH v2,1/2] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186

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Message-ID: <20220819185400.aokd53xln6rmc3xk@notapiano>
Date:   Fri, 19 Aug 2022 14:54:00 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     xinlei.lee@...iatek.com
Cc:     chunkuang.hu@...nel.org, p.zabel@...gutronix.de, airlied@...ux.ie,
        daniel@...ll.ch, matthias.bgg@...il.com,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        Jitao Shi <jitao.shi@...iatek.com>
Subject: Re: [PATCH v2,1/2] soc: mediatek: Add mmsys func to adapt to dpi
 output for MT8186

Hi Xinlei,

On Fri, Aug 05, 2022 at 05:57:40PM +0800, xinlei.lee@...iatek.com wrote:
> From: Xinlei Lee <xinlei.lee@...iatek.com>
> 
> Add mmsys func to manipulate dpi output format config for MT8186.

func -> function
config -> configuration

> 
> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>

Same thing about the co-developed-by.

> Signed-off-by: Xinlei Lee <xinlei.lee@...iatek.com>
> 
> ---
>  drivers/soc/mediatek/mt8186-mmsys.h    | 1 +
>  drivers/soc/mediatek/mtk-mmsys.c       | 8 ++++++++
>  include/linux/soc/mediatek/mtk-mmsys.h | 3 +++
>  3 files changed, 12 insertions(+)
> 
> diff --git a/drivers/soc/mediatek/mt8186-mmsys.h b/drivers/soc/mediatek/mt8186-mmsys.h
> index eb1ad9c37a9c..620c062e4893 100644
> --- a/drivers/soc/mediatek/mt8186-mmsys.h
> +++ b/drivers/soc/mediatek/mt8186-mmsys.h
> @@ -3,6 +3,7 @@
>  #ifndef __SOC_MEDIATEK_MT8186_MMSYS_H
>  #define __SOC_MEDIATEK_MT8186_MMSYS_H
>  
> +#define MT8186_DPI_OUTPUT_FORMAT		0X400

0x400

(lowercase "x")

>  #define MT8186_MMSYS_OVL_CON			0xF04
>  #define MT8186_MMSYS_OVL0_CON_MASK			0x3
>  #define MT8186_MMSYS_OVL0_2L_CON_MASK			0xC
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index 9bbf0103b225..0e71a3296046 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -252,6 +252,14 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
>  }
>  EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
>  
> +void mtk_mmsys_ddp_dpi_confing(struct device *dev, u32 mask, u32 val,

confing -> config

But I'd add something to the name to indicate it handles specifically the
format:

mtk_mmsys_ddp_dpi_fmt_config

Thanks,
Nícolas