Re: [PATCH v7 06/43] drm/mediatek: mtk_dpi: Move the input_2p_en bit to platform data

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Hi, Angelo:

AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> 於
2025年2月17日 週一 下午11:49寫道:
>
> In preparation for adding support for MT8195's HDMI reserved DPI
> instance, move the input_2p_en bit for DP_INTF to platform data.
>
> While at it, remove the input_2pixel member from platform data as
> having this bit implies that the 2pixel feature must be enabled.

Remember to run check patch, after fix check patch error, applied to
mediatek-drm-next [1], thanks.

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

Regards,
Chun-Kuang.

>
> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index bb1a17f1384b..9a6c0f75f764 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -135,14 +135,14 @@ struct mtk_dpi_factor {
>   * @is_ck_de_pol: Support CK/DE polarity.
>   * @swap_input_support: Support input swap function.
>   * @support_direct_pin: IP supports direct connection to dpi panels.
> - * @input_2pixel: Input pixel of dp_intf is 2 pixel per round, so enable this
> - *               config to enable this feature.
>   * @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.
>   * @yuv422_en_bit: Enable bit of yuv422.
>   * @csc_enable_bit: Enable bit of CSC.
> + * @input_2p_en_bit: Enable bit for input two pixel per round feature.
> +                     If present, implies that the feature must be enabled.
>   * @pixels_per_iter: Quantity of transferred pixels per iteration.
>   * @edge_cfg_in_mmsys: If the edge configuration for DPI's output needs to be set in MMSYS.
>   */
> @@ -157,12 +157,12 @@ struct mtk_dpi_conf {
>         bool is_ck_de_pol;
>         bool swap_input_support;
>         bool support_direct_pin;
> -       bool input_2pixel;
>         u32 dimension_mask;
>         u32 hvsize_mask;
>         u32 channel_swap_shift;
>         u32 yuv422_en_bit;
>         u32 csc_enable_bit;
> +       u32 input_2p_en_bit;
>         u32 pixels_per_iter;
>         bool edge_cfg_in_mmsys;
>  };
> @@ -651,9 +651,9 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
>                 mtk_dpi_dual_edge(dpi);
>                 mtk_dpi_config_disable_edge(dpi);
>         }
> -       if (dpi->conf->input_2pixel) {
> -               mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN,
> -                            DPINTF_INPUT_2P_EN);
> +       if (dpi->conf->input_2p_en_bit) {
> +               mtk_dpi_mask(dpi, DPI_CON, dpi->conf->input_2p_en_bit,
> +                            dpi->conf->input_2p_en_bit);
>         }
>         mtk_dpi_sw_reset(dpi, false);
>
> @@ -1121,12 +1121,12 @@ static const struct mtk_dpi_conf mt8195_dpintf_conf = {
>         .output_fmts = mt8195_output_fmts,
>         .num_output_fmts = ARRAY_SIZE(mt8195_output_fmts),
>         .pixels_per_iter = 4,
> -       .input_2pixel = true,
>         .dimension_mask = DPINTF_HPW_MASK,
>         .hvsize_mask = DPINTF_HSIZE_MASK,
>         .channel_swap_shift = DPINTF_CH_SWAP,
>         .yuv422_en_bit = DPINTF_YUV422_EN,
>         .csc_enable_bit = DPINTF_CSC_ENABLE,
> +       .input_2p_en_bit = DPINTF_INPUT_2P_EN,
>  };
>
>  static int mtk_dpi_probe(struct platform_device *pdev)
> --
> 2.48.1
>




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