[PATCH v1 4/5] drm/mediatek: mtk_dpi: Allow additional output formats on MT8195/88

[CK Hu (胡俊光)]

Hi, Angelo:

On Wed, 2025-04-09 at 15:13 +0200, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> Allow additional output formats in both DPI and DP_INTF blocks of
> the MT8195 and MT8188 SoCs (as the latter is fully compatible with,
> hence reuses, the former's platform data for both blocks) by adding:
> 
> 1. New formats to the `mt8195_output_fmts` array for dp_intf,
>    lacking YUV422 12-bits support, and adding RGB888 2X12_LE/BE
>    (8-bits), BGR888 (8-bits) RGB101010 1x30 (10-bits), and YUV
>    formats, including YUV422 8/10 bits, and YUV444 8/10 bits; and
> 2. A new `mt8195_dpi_output_fmts` array for DPI only, with all of
>    for formats added to dp_intf and with the addition of the
>    YUYV12_1X24 (YUV422 12-bits) output format.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 24 ++++++++++++++++++++++--
>  1 file changed, 22 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index a9e8113a1618..9de537a77493 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -1093,9 +1093,29 @@ static const u32 mt8183_output_fmts[] = {
>         MEDIA_BUS_FMT_RGB888_2X12_BE,
>  };
> 
> +static const u32 mt8195_dpi_output_fmts[] = {
> +       MEDIA_BUS_FMT_RGB888_1X24,
> +       MEDIA_BUS_FMT_RGB888_2X12_LE,
> +       MEDIA_BUS_FMT_RGB888_2X12_BE,
> +       MEDIA_BUS_FMT_RGB101010_1X30,
> +       MEDIA_BUS_FMT_YUYV8_1X16,
> +       MEDIA_BUS_FMT_YUYV10_1X20,
> +       MEDIA_BUS_FMT_YUYV12_1X24,
> +       MEDIA_BUS_FMT_BGR888_1X24,

What's the order you follow?
I would like RGB together and YUV together.

Regards,
CK

> +       MEDIA_BUS_FMT_YUV8_1X24,
> +       MEDIA_BUS_FMT_YUV10_1X30,
> +};
> +
>  static const u32 mt8195_output_fmts[] = {
>         MEDIA_BUS_FMT_RGB888_1X24,
> +       MEDIA_BUS_FMT_RGB888_2X12_LE,
> +       MEDIA_BUS_FMT_RGB888_2X12_BE,
> +       MEDIA_BUS_FMT_RGB101010_1X30,
>         MEDIA_BUS_FMT_YUYV8_1X16,
> +       MEDIA_BUS_FMT_YUYV10_1X20,
> +       MEDIA_BUS_FMT_BGR888_1X24,
> +       MEDIA_BUS_FMT_YUV8_1X24,
> +       MEDIA_BUS_FMT_YUV10_1X30,
>  };
> 
>  static const struct mtk_dpi_factor dpi_factor_mt2701[] = {
> @@ -1208,8 +1228,8 @@ static const struct mtk_dpi_conf mt8192_conf = {
> 
>  static const struct mtk_dpi_conf mt8195_conf = {
>         .max_clock_khz = 594000,
> -       .output_fmts = mt8183_output_fmts,
> -       .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
> +       .output_fmts = mt8195_dpi_output_fmts,
> +       .num_output_fmts = ARRAY_SIZE(mt8195_dpi_output_fmts),
>         .pixels_per_iter = 1,
>         .is_ck_de_pol = true,
>         .swap_input_support = true,
> --
> 2.49.0
> 

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