linux-kernel - Re: [PATCH v6,3/3] drm: mediatek: Add mt8186 dpi compatible to mtk

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Date:   Wed, 21 Sep 2022 09:42:15 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     <xinlei.lee@...iatek.com>, <matthias.bgg@...il.com>,
        <jason-jh.lin@...iatek.com>, <rex-bc.chen@...iatek.com>,
        <angelogioacchino.delregno@...labora.com>,
        <p.zabel@...gutronix.de>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <jitao.shi@...iatek.com>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v6,3/3] drm: mediatek: Add mt8186 dpi compatible to
 mtk_dpi.c

Hi, Xinlei:

On Wed, 2022-09-14 at 21:21 +0800, xinlei.lee@...iatek.com wrote:
> From: Xinlei Lee <xinlei.lee@...iatek.com>
> 
> Add the compatible because use edge_cfg_in_mmsys in mt8186.
> 
> Signed-off-by: Xinlei Lee <xinlei.lee@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c     | 21 +++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c |  2 ++
>  2 files changed, 23 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 6e02f02f163c..52bcc4114afd 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -942,6 +942,24 @@ static const struct mtk_dpi_conf mt8183_conf = {
>  	.csc_enable_bit = CSC_ENABLE,
>  };
>  
> +static const struct mtk_dpi_conf mt8186_conf = {
> +	.cal_factor = mt8183_calculate_factor,
> +	.reg_h_fre_con = 0xe0,
> +	.max_clock_khz = 150000,
> +	.output_fmts = mt8183_output_fmts,
> +	.num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
> +	.edge_cfg_in_mmsys = true,

According to the previous review, edge_cfg_in_mmsys is not necessary,
so mt8186_conf is identical to mt8192_conf.

Regards,
CK

> +	.pixels_per_iter = 1,
> +	.is_ck_de_pol = true,
> +	.swap_input_support = true,
> +	.support_direct_pin = true,
> +	.dimension_mask = HPW_MASK,
> +	.hvsize_mask = HSIZE_MASK,
> +	.channel_swap_shift = CH_SWAP,
> +	.yuv422_en_bit = YUV422_EN,
> +	.csc_enable_bit = CSC_ENABLE,
> +};
> +
>  static const struct mtk_dpi_conf mt8192_conf = {
>  	.cal_factor = mt8183_calculate_factor,
>  	.reg_h_fre_con = 0xe0,
> @@ -1092,6 +1110,9 @@ static const struct of_device_id
> mtk_dpi_of_ids[] = {
>  	{ .compatible = "mediatek,mt8183-dpi",
>  	  .data = &mt8183_conf,
>  	},
> +	{ .compatible = "mediatek,mt8186-dpi",
> +	  .data = &mt8186_conf,
> +	},
>  	{ .compatible = "mediatek,mt8192-dpi",
>  	  .data = &mt8192_conf,
>  	},
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 546b79412815..3d32fbc66ac1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -646,6 +646,8 @@ static const struct of_device_id
> mtk_ddp_comp_dt_ids[] = {
>  	  .data = (void *)MTK_DPI },
>  	{ .compatible = "mediatek,mt8183-dpi",
>  	  .data = (void *)MTK_DPI },
> +	{ .compatible = "mediatek,mt8186-dpi",
> +	  .data = (void *)MTK_DPI },
>  	{ .compatible = "mediatek,mt8192-dpi",
>  	  .data = (void *)MTK_DPI },
>  	{ .compatible = "mediatek,mt8195-dp-intf",