linux-kernel - Re: [PATCH v13 7/8] soc: mediatek: add mtk mutex support for MT8183

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Message-ID: <8452df75-c9ae-ed1f-3f0a-b449f35bd173@gmail.com>
Date:   Wed, 17 Mar 2021 17:31:16 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>, CK Hu <ck.hu@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: Re: [PATCH v13 7/8] soc: mediatek: add mtk mutex support for MT8183



On 29/01/2021 10:22, Hsin-Yi Wang wrote:
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
> 
> Add mtk mutex support for MT8183 SoC.
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> ---
>  drivers/soc/mediatek/mtk-mutex.c | 50 ++++++++++++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
> 

Applied to v5.12-next/soc

Thanks

> diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
> index f531b119da7a9..718a41beb6afb 100644
> --- a/drivers/soc/mediatek/mtk-mutex.c
> +++ b/drivers/soc/mediatek/mtk-mutex.c
> @@ -14,6 +14,8 @@
>  
>  #define MT2701_MUTEX0_MOD0			0x2c
>  #define MT2701_MUTEX0_SOF0			0x30
> +#define MT8183_MUTEX0_MOD0			0x30
> +#define MT8183_MUTEX0_SOF0			0x2c
>  
>  #define DISP_REG_MUTEX_EN(n)			(0x20 + 0x20 * (n))
>  #define DISP_REG_MUTEX(n)			(0x24 + 0x20 * (n))
> @@ -37,6 +39,18 @@
>  #define MT8167_MUTEX_MOD_DISP_DITHER		15
>  #define MT8167_MUTEX_MOD_DISP_UFOE		16
>  
> +#define MT8183_MUTEX_MOD_DISP_RDMA0		0
> +#define MT8183_MUTEX_MOD_DISP_RDMA1		1
> +#define MT8183_MUTEX_MOD_DISP_OVL0		9
> +#define MT8183_MUTEX_MOD_DISP_OVL0_2L		10
> +#define MT8183_MUTEX_MOD_DISP_OVL1_2L		11
> +#define MT8183_MUTEX_MOD_DISP_WDMA0		12
> +#define MT8183_MUTEX_MOD_DISP_COLOR0		13
> +#define MT8183_MUTEX_MOD_DISP_CCORR0		14
> +#define MT8183_MUTEX_MOD_DISP_AAL0		15
> +#define MT8183_MUTEX_MOD_DISP_GAMMA0		16
> +#define MT8183_MUTEX_MOD_DISP_DITHER0		17
> +
>  #define MT8173_MUTEX_MOD_DISP_OVL0		11
>  #define MT8173_MUTEX_MOD_DISP_OVL1		12
>  #define MT8173_MUTEX_MOD_DISP_RDMA0		13
> @@ -87,6 +101,11 @@
>  #define MT2712_MUTEX_SOF_DSI3			6
>  #define MT8167_MUTEX_SOF_DPI0			2
>  #define MT8167_MUTEX_SOF_DPI1			3
> +#define MT8183_MUTEX_SOF_DSI0			1
> +#define MT8183_MUTEX_SOF_DPI0			2
> +
> +#define MT8183_MUTEX_EOF_DSI0			(MT8183_MUTEX_SOF_DSI0 << 6)
> +#define MT8183_MUTEX_EOF_DPI0			(MT8183_MUTEX_SOF_DPI0 << 6)
>  
>  struct mtk_mutex {
>  	int id;
> @@ -181,6 +200,20 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>  	[DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1,
>  };
>  
> +static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> +	[DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0,
> +	[DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0,
> +	[DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0,
> +	[DDP_COMPONENT_DITHER] = MT8183_MUTEX_MOD_DISP_DITHER0,
> +	[DDP_COMPONENT_GAMMA] = MT8183_MUTEX_MOD_DISP_GAMMA0,
> +	[DDP_COMPONENT_OVL0] = MT8183_MUTEX_MOD_DISP_OVL0,
> +	[DDP_COMPONENT_OVL_2L0] = MT8183_MUTEX_MOD_DISP_OVL0_2L,
> +	[DDP_COMPONENT_OVL_2L1] = MT8183_MUTEX_MOD_DISP_OVL1_2L,
> +	[DDP_COMPONENT_RDMA0] = MT8183_MUTEX_MOD_DISP_RDMA0,
> +	[DDP_COMPONENT_RDMA1] = MT8183_MUTEX_MOD_DISP_RDMA1,
> +	[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
> +};
> +
>  static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>  	[MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>  	[MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
> @@ -198,6 +231,13 @@ static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>  	[MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
>  };
>  
> +/* Add EOF setting so overlay hardware can receive frame done irq */
> +static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +	[MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> +	[MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
> +	[MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
> +};
> +
>  static const struct mtk_mutex_data mt2701_mutex_driver_data = {
>  	.mutex_mod = mt2701_mutex_mod,
>  	.mutex_sof = mt2712_mutex_sof,
> @@ -227,6 +267,14 @@ static const struct mtk_mutex_data mt8173_mutex_driver_data = {
>  	.mutex_sof_reg = MT2701_MUTEX0_SOF0,
>  };
>  
> +static const struct mtk_mutex_data mt8183_mutex_driver_data = {
> +	.mutex_mod = mt8183_mutex_mod,
> +	.mutex_sof = mt8183_mutex_sof,
> +	.mutex_mod_reg = MT8183_MUTEX0_MOD0,
> +	.mutex_sof_reg = MT8183_MUTEX0_SOF0,
> +	.no_clk = true,
> +};
> +
>  struct mtk_mutex *mtk_mutex_get(struct device *dev)
>  {
>  	struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
> @@ -457,6 +505,8 @@ static const struct of_device_id mutex_driver_dt_match[] = {
>  	  .data = &mt8167_mutex_driver_data},
>  	{ .compatible = "mediatek,mt8173-disp-mutex",
>  	  .data = &mt8173_mutex_driver_data},
> +	{ .compatible = "mediatek,mt8183-disp-mutex",
> +	  .data = &mt8183_mutex_driver_data},
>  	{},
>  };
>  MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);
>