linux-kernel - Re: [PATCH v2] soc: mediatek: mmsys: Add mt8183 mmsys routing table

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Date:   Tue, 30 Mar 2021 12:55:18 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>, linux-kernel@...r.kernel.org
Cc:     drinkcat@...omium.org, weiyi.lu@...iatek.com, ck.hu@...iatek.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, enric.balletbo@...labora.com
Subject: Re: [PATCH v2] soc: mediatek: mmsys: Add mt8183 mmsys routing table



On 30/03/2021 12:44, Hsin-Yi Wang wrote:
> mt8183 has different routing registers than mt8173.
> 
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> ---
> v1->v2:
> Move mt8183 routing table to mt8183-mmsys.h
> 
> This patch is based on https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git v5.12-next/soc
> ---
>  drivers/soc/mediatek/mt8183-mmsys.h | 56 +++++++++++++++++++++++++++++
>  drivers/soc/mediatek/mtk-mmsys.c    |  3 ++
>  2 files changed, 59 insertions(+)
>  create mode 100644 drivers/soc/mediatek/mt8183-mmsys.h
> 
> diff --git a/drivers/soc/mediatek/mt8183-mmsys.h b/drivers/soc/mediatek/mt8183-mmsys.h
> new file mode 100644
> index 000000000000..38e9f683e5bd
> --- /dev/null
> +++ b/drivers/soc/mediatek/mt8183-mmsys.h
> @@ -0,0 +1,56 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +
> +#ifndef __SOC_MEDIATEK_MT8183_MMSYS_H
> +#define __SOC_MEDIATEK_MT8183_MMSYS_H
> +
> +#include "mtk-mmsys.h"

We can drop this, see below.

> +
> +#define MT8183_DISP_OVL0_MOUT_EN		0xf00
> +#define MT8183_DISP_OVL0_2L_MOUT_EN		0xf04
> +#define MT8183_DISP_OVL1_2L_MOUT_EN		0xf08
> +#define MT8183_DISP_DITHER0_MOUT_EN		0xf0c
> +#define MT8183_DISP_PATH0_SEL_IN		0xf24
> +#define MT8183_DISP_DSI0_SEL_IN			0xf2c
> +#define MT8183_DISP_DPI0_SEL_IN			0xf30
> +#define MT8183_DISP_RDMA0_SOUT_SEL_IN		0xf50
> +#define MT8183_DISP_RDMA1_SOUT_SEL_IN		0xf54
> +
> +#define MT8183_OVL0_MOUT_EN_OVL0_2L		BIT(4)
> +#define MT8183_OVL0_2L_MOUT_EN_DISP_PATH0	BIT(0)
> +#define MT8183_OVL1_2L_MOUT_EN_RDMA1		BIT(4)
> +#define MT8183_DITHER0_MOUT_IN_DSI0		BIT(0)
> +#define MT8183_DISP_PATH0_SEL_IN_OVL0_2L	0x1
> +#define MT8183_DSI0_SEL_IN_RDMA0		0x1
> +#define MT8183_DSI0_SEL_IN_RDMA1		0x3
> +#define MT8183_DPI0_SEL_IN_RDMA0		0x1
> +#define MT8183_DPI0_SEL_IN_RDMA1		0x2
> +#define MT8183_RDMA0_SOUT_COLOR0		0x1
> +#define MT8183_RDMA1_SOUT_DSI0			0x1
> +
> +static const struct mtk_mmsys_routes mmsys_mt8183_routing_table[] = {
> +	{
> +		DDP_COMPONENT_OVL0, DDP_COMPONENT_OVL_2L0,
> +		MT8183_DISP_OVL0_MOUT_EN, MT8183_OVL0_MOUT_EN_OVL0_2L
> +	}, {
> +		DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
> +		MT8183_DISP_OVL0_2L_MOUT_EN, MT8183_OVL0_2L_MOUT_EN_DISP_PATH0
> +	}, {
> +		DDP_COMPONENT_OVL_2L1, DDP_COMPONENT_RDMA1,
> +		MT8183_DISP_OVL1_2L_MOUT_EN, MT8183_OVL1_2L_MOUT_EN_RDMA1
> +	}, {
> +		DDP_COMPONENT_DITHER, DDP_COMPONENT_DSI0,
> +		MT8183_DISP_DITHER0_MOUT_EN, MT8183_DITHER0_MOUT_IN_DSI0
> +	}, {
> +		DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
> +		MT8183_DISP_PATH0_SEL_IN, MT8183_DISP_PATH0_SEL_IN_OVL0_2L
> +	}, {
> +		DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0,
> +		MT8183_DISP_DPI0_SEL_IN, MT8183_DPI0_SEL_IN_RDMA1
> +	}, {
> +		DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0,
> +		MT8183_DISP_RDMA0_SOUT_SEL_IN, MT8183_RDMA0_SOUT_COLOR0
> +	}
> +};
> +
> +#endif /* __SOC_MEDIATEK_MT8183_MMSYS_H */
> +
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index c46d8ab8b0c2..ac68a989854e 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -10,6 +10,7 @@
>  #include <linux/platform_device.h>
>  #include <linux/soc/mediatek/mtk-mmsys.h>
>  
> +#include "mt8183-mmsys.h"

Just add the SoC specific header after mtk-mmsys.h include.

Other then that patch looks good.

Matthias


>  #include "mtk-mmsys.h"
>  
>  static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
> @@ -40,6 +41,8 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
>  
>  static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
>  	.clk_driver = "clk-mt8183-mm",
> +	.routes = mmsys_mt8183_routing_table,
> +	.num_routes = ARRAY_SIZE(mmsys_mt8183_routing_table),
>  };
>  
>  struct mtk_mmsys {
>