Re: [PATCH v15 10/16] drm/mediatek: dpi: move swap_shift to SoC config

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Hi, Bo-Chen:

On Fri, 2022-07-01 at 11:58 +0800, Bo-Chen Chen wrote:
> From: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
> 
> Add flexibility by moving the swap shift value 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@xxxxxxxxxxxx>
> Signed-off-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx>
> Reviewed-by: Rex-BC Chen <rex-bc.chen@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@xxxxxxxxxxxxx>
> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 11724432e2f2..70a83a3c0570 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -125,6 +125,7 @@ struct mtk_dpi_yc_limit {
>   * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and
> VSYNC_PORCH
>   *		    (no shift).
>   * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift).
> + * @channel_swap_shift: Shift value of channel swap.
>   */
>  struct mtk_dpi_conf {
>  	unsigned int (*cal_factor)(int clock);
> @@ -137,6 +138,7 @@ struct mtk_dpi_conf {
>  	bool swap_input_support;
>  	u32 dimension_mask;
>  	u32 hvsize_mask;
> +	u32 channel_swap_shift;
>  };
>  
>  static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val,
> u32 mask)
> @@ -367,7 +369,9 @@ static void mtk_dpi_config_channel_swap(struct
> mtk_dpi *dpi,
>  		break;
>  	}
>  
> -	mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << CH_SWAP,
> CH_SWAP_MASK);
> +	mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING,
> +		     val << dpi->conf->channel_swap_shift,
> +		     CH_SWAP_MASK << dpi->conf->channel_swap_shift);
>  }
>  
>  static void mtk_dpi_config_yuv422_enable(struct mtk_dpi *dpi, bool
> enable)
> @@ -817,6 +821,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
>  	.hvsize_mask = HSIZE_MASK,
> +	.channel_swap_shift = CH_SWAP,
>  };
>  
>  static const struct mtk_dpi_conf mt2701_conf = {
> @@ -830,6 +835,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
>  	.hvsize_mask = HSIZE_MASK,
> +	.channel_swap_shift = CH_SWAP,
>  };
>  
>  static const struct mtk_dpi_conf mt8183_conf = {
> @@ -842,6 +848,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
>  	.hvsize_mask = HSIZE_MASK,
> +	.channel_swap_shift = CH_SWAP,
>  };
>  
>  static const struct mtk_dpi_conf mt8192_conf = {
> @@ -854,6 +861,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
>  	.swap_input_support = true,
>  	.dimension_mask = HPW_MASK,
>  	.hvsize_mask = HSIZE_MASK,
> +	.channel_swap_shift = CH_SWAP,
>  };
>  
>  static int mtk_dpi_probe(struct platform_device *pdev)




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