[PATCH v11 21/22] drm/mediatek: add mediatek-drm of vdosys1 support for MT8195

[CK Hu]

Hi, Nancy:

On Mon, 2022-01-10 at 16:46 +0800, Nancy.Lin wrote:
> Add driver data of mt8195 vdosys1 to mediatek-drm.
> 
> Signed-off-by: Nancy.Lin <nancy.lin at mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 36430f956b4f..e851c56f00b1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -190,6 +190,14 @@ static const enum mtk_ddp_comp_id
> mt8195_mtk_ddp_main[] = {
>  	DDP_COMPONENT_DP_INTF0,
>  };
>  
> +static const enum mtk_ddp_comp_id mt8195_mtk_ddp_ext[] = {
> +	DDP_COMPONENT_OVL_ADAPTOR,
> +	DDP_COMPONENT_MERGE5,
> +	DDP_COMPONENT_DP_INTF1,
> +};
> +
> +static const int mt8195_vdosys1_mtk_cmdq_mbox[] = {-1, 0, -1};

What does this array mean? These number looks so magic.

Regards,
CK

> +
>  static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data =
> {
>  	.main_path = mt2701_mtk_ddp_main,
>  	.main_len = ARRAY_SIZE(mt2701_mtk_ddp_main),
> @@ -254,6 +262,14 @@ static const struct mtk_mmsys_driver_data
> mt8195_vdosys0_driver_data = {
>  	.mmsys_dev_num = 2,
>  };
>  
> +static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data
> = {
> +	.ext_path = mt8195_mtk_ddp_ext,
> +	.ext_len = ARRAY_SIZE(mt8195_mtk_ddp_ext),
> +	.mmsys_id = 1,
> +	.mmsys_dev_num = 2,
> +	.mbox_index = mt8195_vdosys1_mtk_cmdq_mbox,
> +};
> +
>  static const struct of_device_id mtk_drm_of_ids[] = {
>  	{ .compatible = "mediatek,mt2701-mmsys",
>  	  .data = &mt2701_mmsys_driver_data},
> @@ -271,6 +287,8 @@ static const struct of_device_id mtk_drm_of_ids[]
> = {
>  	  .data = &mt8192_mmsys_driver_data},
>  	{ .compatible = "mediatek,mt8195-vdosys0",
>  	  .data = &mt8195_vdosys0_driver_data},
> +	{ .compatible = "mediatek,mt8195-vdosys1",
> +	  .data = &mt8195_vdosys1_driver_data},
>  	{ }
>  };
>  MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);