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Message-ID: <1527494014.24367.14.camel@mtksdaap41>
Subject: Re: [PATCH v4 9/9] drm/mediatek: Add support for mediatek SOC MT2712
From:   CK Hu <ck.hu@mediatek.com>
To:     Stu Hsieh <stu.hsieh@mediatek.com>
CC:     Philipp Zabel <p.zabel@pengutronix.de>,
        David Airlie <airlied@linux.ie>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        <dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>, <srv_heupstream@mediatek.com>
Date:   Mon, 28 May 2018 15:53:34 +0800
In-Reply-To: <1527489507-24453-10-git-send-email-stu.hsieh@mediatek.com>
References: <1527489507-24453-1-git-send-email-stu.hsieh@mediatek.com>
         <1527489507-24453-10-git-send-email-stu.hsieh@mediatek.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi, Stu:

Two inline comment.

On Mon, 2018-05-28 at 14:38 +0800, Stu Hsieh wrote:
> This patch add support for the Mediatek MT2712 DISP subsystem.
> There are two OVL engine and three disp output in MT2712.
> 
> Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 39 ++++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 38 +++++++++++++++++++++++++++++++++
>  2 files changed, 77 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 8bfc0debd2c2..3b22b48a6022 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -61,6 +61,24 @@
>  #define MT8173_MUTEX_MOD_DISP_PWM1		24
>  #define MT8173_MUTEX_MOD_DISP_OD		25
>  
> +#define MT2712_MUTEX_MOD_DISP_PWM2		10
> +#define MT2712_MUTEX_MOD_DISP_OVL0		11
> +#define MT2712_MUTEX_MOD_DISP_OVL1		12
> +#define MT2712_MUTEX_MOD_DISP_RDMA0		13
> +#define MT2712_MUTEX_MOD_DISP_RDMA1		14
> +#define MT2712_MUTEX_MOD_DISP_RDMA2		15
> +#define MT2712_MUTEX_MOD_DISP_WDMA0		16
> +#define MT2712_MUTEX_MOD_DISP_WDMA1		17
> +#define MT2712_MUTEX_MOD_DISP_COLOR0		18
> +#define MT2712_MUTEX_MOD_DISP_COLOR1		19
> +#define MT2712_MUTEX_MOD_DISP_AAL0		20
> +#define MT2712_MUTEX_MOD_DISP_UFOE		22
> +#define MT2712_MUTEX_MOD_DISP_PWM0		23
> +#define MT2712_MUTEX_MOD_DISP_PWM1		24
> +#define MT2712_MUTEX_MOD_DISP_OD0		25
> +#define MT2712_MUTEX_MOD2_DISP_AAL1		33
> +#define MT2712_MUTEX_MOD2_DISP_OD1		34
> +
>  #define MT2701_MUTEX_MOD_DISP_OVL		3
>  #define MT2701_MUTEX_MOD_DISP_WDMA		6
>  #define MT2701_MUTEX_MOD_DISP_COLOR		7
> @@ -110,6 +128,26 @@ static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>  	[DDP_COMPONENT_WDMA0] = MT2701_MUTEX_MOD_DISP_WDMA,
>  };
>  
> +static const unsigned int mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> +	[DDP_COMPONENT_AAL0] = MT2712_MUTEX_MOD_DISP_AAL0,
> +	[DDP_COMPONENT_AAL1] = MT2712_MUTEX_MOD2_DISP_AAL1,
> +	[DDP_COMPONENT_COLOR0] = MT2712_MUTEX_MOD_DISP_COLOR0,
> +	[DDP_COMPONENT_COLOR1] = MT2712_MUTEX_MOD_DISP_COLOR1,
> +	[DDP_COMPONENT_OD0] = MT2712_MUTEX_MOD_DISP_OD0,
> +	[DDP_COMPONENT_OD1] = MT2712_MUTEX_MOD2_DISP_OD1,
> +	[DDP_COMPONENT_OVL0] = MT2712_MUTEX_MOD_DISP_OVL0,
> +	[DDP_COMPONENT_OVL1] = MT2712_MUTEX_MOD_DISP_OVL1,
> +	[DDP_COMPONENT_PWM0] = MT2712_MUTEX_MOD_DISP_PWM0,
> +	[DDP_COMPONENT_PWM1] = MT2712_MUTEX_MOD_DISP_PWM1,
> +	[DDP_COMPONENT_PWM2] = MT2712_MUTEX_MOD_DISP_PWM2,
> +	[DDP_COMPONENT_RDMA0] = MT2712_MUTEX_MOD_DISP_RDMA0,
> +	[DDP_COMPONENT_RDMA1] = MT2712_MUTEX_MOD_DISP_RDMA1,
> +	[DDP_COMPONENT_RDMA2] = MT2712_MUTEX_MOD_DISP_RDMA2,
> +	[DDP_COMPONENT_UFOE] = MT2712_MUTEX_MOD_DISP_UFOE,
> +	[DDP_COMPONENT_WDMA0] = MT2712_MUTEX_MOD_DISP_WDMA0,
> +	[DDP_COMPONENT_WDMA1] = MT2712_MUTEX_MOD_DISP_WDMA1,
> +};
> +
>  static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>  	[DDP_COMPONENT_AAL0] = MT8173_MUTEX_MOD_DISP_AAL,
>  	[DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0,
> @@ -430,6 +468,7 @@ static int mtk_ddp_remove(struct platform_device *pdev)
>  
>  static const struct of_device_id ddp_driver_dt_match[] = {
>  	{ .compatible = "mediatek,mt2701-disp-mutex", .data = mt2701_mutex_mod},
> +	{ .compatible = "mediatek,mt2712-disp-mutex", .data = mt2712_mutex_mod},
>  	{ .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod},
>  	{},
>  };
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 3d279a299383..3a866e1d6af4 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -146,6 +146,32 @@ static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = {
>  	DDP_COMPONENT_DPI0,
>  };
>  
> +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
> +	DDP_COMPONENT_OVL0,
> +	DDP_COMPONENT_COLOR0,
> +	DDP_COMPONENT_AAL0,
> +	DDP_COMPONENT_OD0,
> +	DDP_COMPONENT_RDMA0,
> +	DDP_COMPONENT_DPI0,
> +	DDP_COMPONENT_PWM0,
> +};
> +
> +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = {
> +	DDP_COMPONENT_OVL1,
> +	DDP_COMPONENT_COLOR1,
> +	DDP_COMPONENT_AAL1,
> +	DDP_COMPONENT_OD1,
> +	DDP_COMPONENT_RDMA1,
> +	DDP_COMPONENT_DPI1,

Where do you define DDP_COMPONENT_DPI1?

> +	DDP_COMPONENT_PWM1,
> +};
> +
> +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_third[] = {
> +	DDP_COMPONENT_RDMA2,
> +	DDP_COMPONENT_DSI2,

Where do you define DDP_COMPONENT_DSI2?

Regards,
CK

> +	DDP_COMPONENT_PWM2,
> +};
> +
>  static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
>  	DDP_COMPONENT_OVL0,
>  	DDP_COMPONENT_COLOR0,
> @@ -173,6 +199,15 @@ static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
>  	.shadow_register = true,
>  };
>  
> +static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> +	.main_path = mt2712_mtk_ddp_main,
> +	.main_len = ARRAY_SIZE(mt2712_mtk_ddp_main),
> +	.ext_path = mt2712_mtk_ddp_ext,
> +	.ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext),
> +	.third_path = mt2712_mtk_ddp_third,
> +	.third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
> +};
> +
>  static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
>  	.main_path = mt8173_mtk_ddp_main,
>  	.main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
> @@ -379,6 +414,7 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
>  	{ .compatible = "mediatek,mt8173-dsi",        .data = (void *)MTK_DSI },
>  	{ .compatible = "mediatek,mt8173-dpi",        .data = (void *)MTK_DPI },
>  	{ .compatible = "mediatek,mt2701-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> +	{ .compatible = "mediatek,mt2712-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
>  	{ .compatible = "mediatek,mt8173-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
>  	{ .compatible = "mediatek,mt2701-disp-pwm",   .data = (void *)MTK_DISP_BLS },
>  	{ .compatible = "mediatek,mt8173-disp-pwm",   .data = (void *)MTK_DISP_PWM },
> @@ -557,6 +593,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
>  static const struct of_device_id mtk_drm_of_ids[] = {
>  	{ .compatible = "mediatek,mt2701-mmsys",
>  	  .data = &mt2701_mmsys_driver_data},
> +	{ .compatible = "mediatek,mt2712-mmsys",
> +	  .data = &mt2712_mmsys_driver_data},
>  	{ .compatible = "mediatek,mt8173-mmsys",
>  	  .data = &mt8173_mmsys_driver_data},
>  	{ }