[v8] drm/mediatek: Add mt8195 DisplayPort driver

[PATCH v8 09/19] drm/mediatek: dpi: move dimension_mask to board config

Posted by Guillaume Ranquet 2 years, 7 months ago

Add flexibility by moving the dimension mask to board config

Signed-off-by: Guillaume Ranquet <granquet@baylibre.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 8ca3455ed64ee..0d3acd08ea358 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -129,6 +129,8 @@ struct mtk_dpi_conf {
 	bool swap_input_support;
 	// Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH (no shift)
 	u32 dimension_mask;
+	// Mask used for HSIZE and VSIZE (no shift)
+	u32 hvsize_mask;
 	const struct mtk_dpi_yc_limit *limit;
 };
 
@@ -243,8 +245,10 @@ 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)
@@ -816,6 +820,7 @@ 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,
 	.limit = &mtk_dpi_limit,
 };
 
@@ -829,6 +834,7 @@ 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,
 	.limit = &mtk_dpi_limit,
 };
 
@@ -841,6 +847,7 @@ 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,
 	.limit = &mtk_dpi_limit,
 };
 
@@ -853,6 +860,7 @@ 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,
 	.limit = &mtk_dpi_limit,
 };
 
-- 
2.34.1

Re: [PATCH v8 09/19] drm/mediatek: dpi: move dimension_mask to board config

Posted by AngeloGioacchino Del Regno 2 years, 7 months ago

Il 18/02/22 15:54, Guillaume Ranquet ha scritto:
> Add flexibility by moving the dimension mask to board config
> 

You should really fix both title and description for this commit,
as this is moving hvsize_mask, not dimension_mask.
Also, s/board/SoC/g.

> Signed-off-by: Guillaume Ranquet <granquet@baylibre.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 8ca3455ed64ee..0d3acd08ea358 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -129,6 +129,8 @@ struct mtk_dpi_conf {
>   	bool swap_input_support;
>   	// Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH (no shift)
>   	u32 dimension_mask;
> +	// Mask used for HSIZE and VSIZE (no shift)

C-style comments please

> +	u32 hvsize_mask;
>   	const struct mtk_dpi_yc_limit *limit;
>   };
>

Re: [PATCH v8 09/19] drm/mediatek: dpi: move dimension_mask to board config

Posted by Chun-Kuang Hu 2 years, 7 months ago

Hi, Guillaume:

Guillaume Ranquet <granquet@baylibre.com> 於 2022年2月18日 週五 下午10:56寫道：
>
> Add flexibility by moving the dimension mask to board config

Replace 'board' with 'SoC'.

>
> Signed-off-by: Guillaume Ranquet <granquet@baylibre.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 8ca3455ed64ee..0d3acd08ea358 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -129,6 +129,8 @@ struct mtk_dpi_conf {
>         bool swap_input_support;
>         // Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH (no shift)
>         u32 dimension_mask;
> +       // Mask used for HSIZE and VSIZE (no shift)

/* ... */

Regards,
Chun-Kuang.

> +       u32 hvsize_mask;
>         const struct mtk_dpi_yc_limit *limit;
>  };
>
> @@ -243,8 +245,10 @@ 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)
> @@ -816,6 +820,7 @@ 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,
>         .limit = &mtk_dpi_limit,
>  };
>
> @@ -829,6 +834,7 @@ 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,
>         .limit = &mtk_dpi_limit,
>  };
>
> @@ -841,6 +847,7 @@ 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,
>         .limit = &mtk_dpi_limit,
>  };
>
> @@ -853,6 +860,7 @@ 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,
>         .limit = &mtk_dpi_limit,
>  };
>
> --
> 2.34.1
>