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Message-ID: <c5c9fbe979baed91e096059a2ef14f6d5bb25263.camel@mediatek.com>
Date:   Tue, 14 Jun 2022 13:45:16 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Bo-Chen Chen <rex-bc.chen@...iatek.com>, <chunkuang.hu@...nel.org>,
        <p.zabel@...gutronix.de>, <daniel@...ll.ch>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <matthias.bgg@...il.com>,
        <airlied@...ux.ie>
CC:     <msp@...libre.com>, <granquet@...libre.com>,
        <jitao.shi@...iatek.com>, <wenst@...omium.org>,
        <angelogioacchino.delregno@...labora.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v11 09/12] drm/mediatek: dpi: move the csc_enable bit to
 SoC config

Hi, Bo-Chen:

On Mon, 2022-06-13 at 14:48 +0800, Bo-Chen Chen wrote:
> From: Guillaume Ranquet <granquet@...libre.com>
> 
> Add flexibility by moving the csc_enable bit to SoC specific config

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> 
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
> Reviewed-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index b709b7776848..6b8cf648a5b5 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -133,6 +133,7 @@ struct mtk_dpi_conf {
>  	u32 hvsize_mask;
>  	u32 channel_swap_shift;
>  	u32 yuv422_en_bit;
> +	u32 csc_enable_bit;
>  	const struct mtk_dpi_yc_limit *limit;
>  };
>  
> @@ -364,7 +365,8 @@ static void mtk_dpi_config_yuv422_enable(struct
> mtk_dpi *dpi, bool enable)
>  
>  static void mtk_dpi_config_csc_enable(struct mtk_dpi *dpi, bool
> enable)
>  {
> -	mtk_dpi_mask(dpi, DPI_CON, enable ? CSC_ENABLE : 0,
> CSC_ENABLE);
> +	mtk_dpi_mask(dpi, DPI_CON, enable ? dpi->conf->csc_enable_bit :
> 0,
> +		     dpi->conf->csc_enable_bit);
>  }
>  
>  static void mtk_dpi_config_swap_input(struct mtk_dpi *dpi, bool
> enable)
> @@ -828,6 +830,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
>  	.hvsize_mask = HSIZE_MASK,
>  	.channel_swap_shift = CH_SWAP,
>  	.yuv422_en_bit = YUV422_EN,
> +	.csc_enable_bit = CSC_ENABLE,
>  	.limit = &mtk_dpi_limit,
>  };
>  
> @@ -844,6 +847,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
>  	.hvsize_mask = HSIZE_MASK,
>  	.channel_swap_shift = CH_SWAP,
>  	.yuv422_en_bit = YUV422_EN,
> +	.csc_enable_bit = CSC_ENABLE,
>  	.limit = &mtk_dpi_limit,
>  };
>  
> @@ -859,6 +863,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
>  	.hvsize_mask = HSIZE_MASK,
>  	.channel_swap_shift = CH_SWAP,
>  	.yuv422_en_bit = YUV422_EN,
> +	.csc_enable_bit = CSC_ENABLE,
>  	.limit = &mtk_dpi_limit,
>  };
>  
> @@ -874,6 +879,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
>  	.hvsize_mask = HSIZE_MASK,
>  	.channel_swap_shift = CH_SWAP,
>  	.yuv422_en_bit = YUV422_EN,
> +	.csc_enable_bit = CSC_ENABLE,
>  	.limit = &mtk_dpi_limit,
>  };
>  

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