Re: [PATCH v15 08/16] drm/mediatek: dpi: move dimension mask 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 dimension mask to the SoC 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: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@xxxxxxxxxxxxx>
> Reviewed-by: Rex-BC Chen <rex-bc.chen@xxxxxxxxxxxx>
> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 27 +++++++++++++++++----------
>  1 file changed, 17 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index ba871c347d15..586527458064 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -122,6 +122,8 @@ struct mtk_dpi_yc_limit {
>   * @num_output_fmts: Quantity of supported output formats.
>   * @is_ck_de_pol: Support CK/DE polarity.
>   * @swap_input_support: Support input swap function.
> + * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and
> VSYNC_PORCH
> + *		    (no shift).
>   */
>  struct mtk_dpi_conf {
>  	unsigned int (*cal_factor)(int clock);
> @@ -132,6 +134,7 @@ struct mtk_dpi_conf {
>  	u32 num_output_fmts;
>  	bool is_ck_de_pol;
>  	bool swap_input_support;
> +	u32 dimension_mask;
>  };
>  
>  static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val,
> u32 mask)
> @@ -160,30 +163,30 @@ static void mtk_dpi_disable(struct mtk_dpi
> *dpi)
>  static void mtk_dpi_config_hsync(struct mtk_dpi *dpi,
>  				 struct mtk_dpi_sync_param *sync)
>  {
> -	mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH,
> -		     sync->sync_width << HPW, HPW_MASK);
> -	mtk_dpi_mask(dpi, DPI_TGEN_HPORCH,
> -		     sync->back_porch << HBP, HBP_MASK);
> +	mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH, sync->sync_width << HPW,
> +		     dpi->conf->dimension_mask << HPW);
> +	mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->back_porch << HBP,
> +		     dpi->conf->dimension_mask << HBP);
>  	mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->front_porch << HFP,
> -		     HFP_MASK);
> +		     dpi->conf->dimension_mask << HFP);
>  }
>  
>  static void mtk_dpi_config_vsync(struct mtk_dpi *dpi,
>  				 struct mtk_dpi_sync_param *sync,
>  				 u32 width_addr, u32 porch_addr)
>  {
> -	mtk_dpi_mask(dpi, width_addr,
> -		     sync->sync_width << VSYNC_WIDTH_SHIFT,
> -		     VSYNC_WIDTH_MASK);
>  	mtk_dpi_mask(dpi, width_addr,
>  		     sync->shift_half_line << VSYNC_HALF_LINE_SHIFT,
>  		     VSYNC_HALF_LINE_MASK);
> +	mtk_dpi_mask(dpi, width_addr,
> +		     sync->sync_width << VSYNC_WIDTH_SHIFT,
> +		     dpi->conf->dimension_mask << VSYNC_WIDTH_SHIFT);
>  	mtk_dpi_mask(dpi, porch_addr,
>  		     sync->back_porch << VSYNC_BACK_PORCH_SHIFT,
> -		     VSYNC_BACK_PORCH_MASK);
> +		     dpi->conf->dimension_mask <<
> VSYNC_BACK_PORCH_SHIFT);
>  	mtk_dpi_mask(dpi, porch_addr,
>  		     sync->front_porch << VSYNC_FRONT_PORCH_SHIFT,
> -		     VSYNC_FRONT_PORCH_MASK);
> +		     dpi->conf->dimension_mask <<
> VSYNC_FRONT_PORCH_SHIFT);
>  }
>  
>  static void mtk_dpi_config_vsync_lodd(struct mtk_dpi *dpi,
> @@ -808,6 +811,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
>  	.num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
> +	.dimension_mask = HPW_MASK,
>  };
>  
>  static const struct mtk_dpi_conf mt2701_conf = {
> @@ -819,6 +823,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
>  	.num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
> +	.dimension_mask = HPW_MASK,
>  };
>  
>  static const struct mtk_dpi_conf mt8183_conf = {
> @@ -829,6 +834,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
>  	.num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
> +	.dimension_mask = HPW_MASK,
>  };
>  
>  static const struct mtk_dpi_conf mt8192_conf = {
> @@ -839,6 +845,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
>  	.num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
>  	.is_ck_de_pol = true,
>  	.swap_input_support = true,
> +	.dimension_mask = HPW_MASK,
>  };
>  
>  static int mtk_dpi_probe(struct platform_device *pdev)




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