linux-kernel - Re: [PATCH v15 09/16] drm/mediatek: dpi: move hvsize

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Date:   Tue, 5 Jul 2022 11:53:00 +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>,
        <xinlei.lee@...iatek.com>, <liangxu.xu@...iatek.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 v15 09/16] drm/mediatek: dpi: move hvsize_mask to SoC
 config

Hi, Bo-Chen:

On Fri, 2022-07-01 at 11:58 +0800, Bo-Chen Chen wrote:
> From: Guillaume Ranquet <granquet@...libre.com>
> 
> Add flexibility by moving the hvsize mask to SoC specific config.

Applied to mediatek-drm-next [1], thanks.

[1] 
https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
CK

> 
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
> Reviewed-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 586527458064..11724432e2f2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -124,6 +124,7 @@ struct mtk_dpi_yc_limit {
>   * @swap_input_support: Support input swap function.
>   * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and
> VSYNC_PORCH
>   *		    (no shift).
> + * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift).
>   */
>  struct mtk_dpi_conf {
>  	unsigned int (*cal_factor)(int clock);
> @@ -135,6 +136,7 @@ struct mtk_dpi_conf {
>  	bool is_ck_de_pol;
>  	bool swap_input_support;
>  	u32 dimension_mask;
> +	u32 hvsize_mask;
>  };
>  
>  static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val,
> u32 mask)
> @@ -248,8 +250,10 @@ static void mtk_dpi_config_interface(struct
> mtk_dpi *dpi, bool inter)
>  
>  static void mtk_dpi_config_fb_size(struct mtk_dpi *dpi, u32 width,
> u32 height)
>  {
> -	mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE, HSIZE_MASK);
> -	mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE, VSIZE_MASK);
> +	mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE,
> +		     dpi->conf->hvsize_mask << HSIZE);
> +	mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE,
> +		     dpi->conf->hvsize_mask << VSIZE);
>  }
>  
>  static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi)
> @@ -812,6 +816,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
> +	.hvsize_mask = HSIZE_MASK,
>  };
>  
>  static const struct mtk_dpi_conf mt2701_conf = {
> @@ -824,6 +829,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
> +	.hvsize_mask = HSIZE_MASK,
>  };
>  
>  static const struct mtk_dpi_conf mt8183_conf = {
> @@ -835,6 +841,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
> +	.hvsize_mask = HSIZE_MASK,
>  };
>  
>  static const struct mtk_dpi_conf mt8192_conf = {
> @@ -846,6 +853,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
> +	.hvsize_mask = HSIZE_MASK,
>  };
>  
>  static int mtk_dpi_probe(struct platform_device *pdev)