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Date:   Thu, 21 May 2020 12:52:37 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     yongqiang.niu@...iatek.com, CK Hu <ck.hu@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>
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
Subject: Re: [PATCH v5, 32/32] drm/mediatek: add support for mediatek SOC
 MT8183



On 29/08/2019 16:50, yongqiang.niu@...iatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
> 
> This patch add support for mediatek SOC MT8183
> 1.ovl_2l share driver with ovl
> 2.rdma1 share drive with rdma0, but fifo size is different
> 3.add mt8183 mutex private data, and mmsys private data
> 4.add mt8183 main and external path module for crtc create
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>

After a long time the mmsys problem is fixed [1], so pelase rebase your series
on linux-next and resend.

Thanks a lot!

[1]
https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=for-next&id=1f9adbc72824ff07bbffd776d8b51f91f5a82c18

> ---
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c  | 18 +++++++++
>  drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 27 ++++++++++++-
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c   | 69 ++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.h   |  1 +
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c   | 47 ++++++++++++++++++++++
>  5 files changed, 161 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 53f3883..94c80c2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -373,11 +373,29 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
>  	.fmt_rgb565_is_0 = true,
>  };
>  
> +static const struct mtk_disp_ovl_data mt8183_ovl_driver_data = {
> +	.addr = DISP_REG_OVL_ADDR_MT8173,
> +	.gmc_bits = 10,
> +	.layer_nr = 4,
> +	.fmt_rgb565_is_0 = true,
> +};
> +
> +static const struct mtk_disp_ovl_data mt8183_ovl_2l_driver_data = {
> +	.addr = DISP_REG_OVL_ADDR_MT8173,
> +	.gmc_bits = 10,
> +	.layer_nr = 2,
> +	.fmt_rgb565_is_0 = true,
> +};
> +
>  static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
>  	{ .compatible = "mediatek,mt2701-disp-ovl",
>  	  .data = &mt2701_ovl_driver_data},
>  	{ .compatible = "mediatek,mt8173-disp-ovl",
>  	  .data = &mt8173_ovl_driver_data},
> +	{ .compatible = "mediatek,mt8183-disp-ovl",
> +	  .data = &mt8183_ovl_driver_data},
> +	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
> +	  .data = &mt8183_ovl_2l_driver_data},
>  	{},
>  };
>  MODULE_DEVICE_TABLE(of, mtk_disp_ovl_driver_dt_match);
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> index 9a6f0a2..24945fe 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> @@ -62,6 +62,7 @@ struct mtk_disp_rdma {
>  	struct mtk_ddp_comp		ddp_comp;
>  	struct drm_crtc			*crtc;
>  	const struct mtk_disp_rdma_data	*data;
> +	u32				fifo_size;
>  };
>  
>  static inline struct mtk_disp_rdma *comp_to_rdma(struct mtk_ddp_comp *comp)
> @@ -130,10 +131,16 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
>  	unsigned int threshold;
>  	unsigned int reg;
>  	struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
> +	u32 rdma_fifo_size;
>  
>  	rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff, width);
>  	rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff, height);
>  
> +	if (rdma->fifo_size)
> +		rdma_fifo_size = rdma->fifo_size;
> +	else
> +		rdma_fifo_size = RDMA_FIFO_SIZE(rdma);
> +
>  	/*
>  	 * Enable FIFO underflow since DSI and DPI can't be blocked.
>  	 * Keep the FIFO pseudo size reset default of 8 KiB. Set the
> @@ -142,7 +149,7 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
>  	 */
>  	threshold = width * height * vrefresh * 4 * 7 / 1000000;
>  	reg = RDMA_FIFO_UNDERFLOW_EN |
> -	      RDMA_FIFO_PSEUDO_SIZE(RDMA_FIFO_SIZE(rdma)) |
> +	      RDMA_FIFO_PSEUDO_SIZE(rdma_fifo_size) |
>  	      RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold);
>  	writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON);
>  }
> @@ -284,6 +291,18 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
>  		return comp_id;
>  	}
>  
> +	if (of_find_property(dev->of_node, "mediatek,rdma_fifo_size", &ret)) {
> +		ret = of_property_read_u32(dev->of_node,
> +					   "mediatek,rdma_fifo_size",
> +					   &priv->fifo_size);
> +		if (ret) {
> +			dev_err(dev, "Failed to get rdma fifo size\n");
> +			return ret;
> +		}
> +
> +		priv->fifo_size *= SZ_1K;
> +	}
> +
>  	ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
>  				&mtk_disp_rdma_funcs);
>  	if (ret) {
> @@ -328,11 +347,17 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev)
>  	.fifo_size = SZ_8K,
>  };
>  
> +static const struct mtk_disp_rdma_data mt8183_rdma_driver_data = {
> +	.fifo_size = 5 * SZ_1K,
> +};
> +
>  static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
>  	{ .compatible = "mediatek,mt2701-disp-rdma",
>  	  .data = &mt2701_rdma_driver_data},
>  	{ .compatible = "mediatek,mt8173-disp-rdma",
>  	  .data = &mt8173_rdma_driver_data},
> +	{ .compatible = "mediatek,mt8183-disp-rdma",
> +	  .data = &mt8183_rdma_driver_data},
>  	{},
>  };
>  MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match);
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 6a7cb15..9be6eae 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -33,19 +33,31 @@
>  #define DISP_REG_CONFIG_DSI_SEL			0x050
>  #define DISP_REG_CONFIG_DPI_SEL			0x064
>  
> +#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 OVL0_2L_MOUT_EN_DISP_PATH0			BIT(0)
>  #define OVL1_2L_MOUT_EN_RDMA1				BIT(4)
>  #define DITHER0_MOUT_IN_DSI0				BIT(0)
>  #define DISP_PATH0_SEL_IN_OVL0_2L			0x1
>  #define 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
>  
>  #define MT2701_DISP_MUTEX0_MOD0			0x2c
>  #define MT2701_DISP_MUTEX0_SOF0			0x30
> +#define MT8183_DISP_MUTEX0_MOD0			0x30
> +#define MT8183_DISP_MUTEX0_SOF0			0x2c
>  
>  #define DISP_REG_MUTEX_EN(n)			(0x20 + 0x20 * (n))
>  #define DISP_REG_MUTEX(n)			(0x24 + 0x20 * (n))
> @@ -56,6 +68,18 @@
>  
>  #define INT_MUTEX				BIT(1)
>  
> +#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
> @@ -105,6 +129,10 @@
>  #define MUTEX_SOF_DSI2			5
>  #define MUTEX_SOF_DSI3			6
>  
> +#define MT8183_MUTEX_SOF_DPI0			2
> +#define MT8183_MUTEX_EOF_DSI0			(MUTEX_SOF_DSI0 << 6)
> +#define MT8183_MUTEX_EOF_DPI0			(MT8183_MUTEX_SOF_DPI0 << 6)
> +
>  #define OVL0_MOUT_EN_COLOR0		0x1
>  #define OD_MOUT_EN_RDMA0		0x1
>  #define OD1_MOUT_EN_RDMA1		BIT(16)
> @@ -240,6 +268,20 @@ struct mtk_mmsys_reg_data {
>  	[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[DDP_MUTEX_SOF_DSI3 + 1] = {
>  	[DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>  	[DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
> @@ -250,6 +292,12 @@ struct mtk_mmsys_reg_data {
>  	[DDP_MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
>  };
>  
> +static const unsigned int mt8183_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
> +	[DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> +	[DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
> +	[DDP_MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
> +};
> +
>  static const struct mtk_ddp_data mt2701_ddp_driver_data = {
>  	.mutex_mod = mt2701_mutex_mod,
>  	.mutex_sof = mt2712_mutex_sof,
> @@ -271,6 +319,13 @@ struct mtk_mmsys_reg_data {
>  	.mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
>  };
>  
> +static const struct mtk_ddp_data mt8183_ddp_driver_data = {
> +	.mutex_mod = mt8183_mutex_mod,
> +	.mutex_sof = mt8183_mutex_sof,
> +	.mutex_mod_reg = MT8183_DISP_MUTEX0_MOD0,
> +	.mutex_sof_reg = MT8183_DISP_MUTEX0_SOF0,
> +};
> +
>  const struct mtk_mmsys_reg_data mt2701_mmsys_reg_data = {
>  	.ovl0_mout_en = DISP_REG_CONFIG_DISP_OVL_MOUT_EN,
>  	.dsi0_sel_in = DISP_REG_CONFIG_DSI_SEL,
> @@ -287,6 +342,18 @@ struct mtk_mmsys_reg_data {
>  	.dsi0_sel_in_rdma1 = DSI0_SEL_IN_RDMA1,
>  };
>  
> +const struct mtk_mmsys_reg_data mt8183_mmsys_reg_data = {
> +	.ovl0_mout_en = MT8183_DISP_OVL0_MOUT_EN,
> +	.rdma0_sout_sel_in = MT8183_DISP_RDMA0_SOUT_SEL_IN,
> +	.rdma0_sout_color0 = MT8183_RDMA0_SOUT_COLOR0,
> +	.rdma1_sout_sel_in = MT8183_DISP_RDMA1_SOUT_SEL_IN,
> +	.rdma1_sout_dsi0 = MT8183_RDMA1_SOUT_DSI0,
> +	.dpi0_sel_in = MT8183_DISP_DPI0_SEL_IN,
> +	.dpi0_sel_in_rdma1 = MT8183_DPI0_SEL_IN_RDMA1,
> +	.dsi0_sel_in = MT8183_DISP_DSI0_SEL_IN,
> +	.dsi0_sel_in_rdma1 = MT8183_DSI0_SEL_IN_RDMA1,
> +};
> +
>  static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data,
>  				    enum mtk_ddp_comp_id cur,
>  				    enum mtk_ddp_comp_id next,
> @@ -734,6 +801,8 @@ static int mtk_ddp_remove(struct platform_device *pdev)
>  	  .data = &mt2712_ddp_driver_data},
>  	{ .compatible = "mediatek,mt8173-disp-mutex",
>  	  .data = &mt8173_ddp_driver_data},
> +	{ .compatible = "mediatek,mt8183-disp-mutex",
> +	  .data = &mt8183_ddp_driver_data},
>  	{},
>  };
>  MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> index c55cc63..b74d8b9 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> @@ -15,6 +15,7 @@
>  
>  extern const struct mtk_mmsys_reg_data mt2701_mmsys_reg_data;
>  extern const struct mtk_mmsys_reg_data mt8173_mmsys_reg_data;
> +extern const struct mtk_mmsys_reg_data mt8183_mmsys_reg_data;
>  void mtk_ddp_add_comp_to_path(void __iomem *config_regs,
>  			      const struct mtk_mmsys_reg_data *reg_data,
>  			      enum mtk_ddp_comp_id cur,
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 2471ce9..a4346fe 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -184,6 +184,24 @@ static int mtk_atomic_commit(struct drm_device *drm,
>  	DDP_COMPONENT_DPI0,
>  };
>  
> +static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = {
> +	DDP_COMPONENT_OVL0,
> +	DDP_COMPONENT_OVL_2L0,
> +	DDP_COMPONENT_RDMA0,
> +	DDP_COMPONENT_COLOR0,
> +	DDP_COMPONENT_CCORR,
> +	DDP_COMPONENT_AAL0,
> +	DDP_COMPONENT_GAMMA,
> +	DDP_COMPONENT_DITHER,
> +	DDP_COMPONENT_DSI0,
> +};
> +
> +static const enum mtk_ddp_comp_id mt8183_mtk_ddp_ext[] = {
> +	DDP_COMPONENT_OVL_2L1,
> +	DDP_COMPONENT_RDMA1,
> +	DDP_COMPONENT_DPI0,
> +};
> +
>  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),
> @@ -211,6 +229,14 @@ static int mtk_atomic_commit(struct drm_device *drm,
>  	.reg_data = &mt8173_mmsys_reg_data,
>  };
>  
> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> +	.main_path = mt8183_mtk_ddp_main,
> +	.main_len = ARRAY_SIZE(mt8183_mtk_ddp_main),
> +	.ext_path = mt8183_mtk_ddp_ext,
> +	.ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
> +	.reg_data = &mt8183_mmsys_reg_data,
> +};
> +
>  static int mtk_drm_kms_init(struct drm_device *drm)
>  {
>  	struct mtk_drm_private *private = drm->dev_private;
> @@ -409,12 +435,22 @@ static void mtk_drm_unbind(struct device *dev)
>  	  .data = (void *)MTK_DISP_OVL },
>  	{ .compatible = "mediatek,mt8173-disp-ovl",
>  	  .data = (void *)MTK_DISP_OVL },
> +	{ .compatible = "mediatek,mt8183-disp-ovl",
> +	  .data = (void *)MTK_DISP_OVL },
> +	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
> +	  .data = (void *)MTK_DISP_OVL_2L },
>  	{ .compatible = "mediatek,mt2701-disp-rdma",
>  	  .data = (void *)MTK_DISP_RDMA },
>  	{ .compatible = "mediatek,mt8173-disp-rdma",
>  	  .data = (void *)MTK_DISP_RDMA },
> +	{ .compatible = "mediatek,mt8183-disp-rdma",
> +	  .data = (void *)MTK_DISP_RDMA },
> +	{ .compatible = "mediatek,mt8183-disp-rdma1",
> +	  .data = (void *)MTK_DISP_RDMA },
>  	{ .compatible = "mediatek,mt8173-disp-wdma",
>  	  .data = (void *)MTK_DISP_WDMA },
> +	{ .compatible = "mediatek,mt8183-disp-ccorr",
> +	  .data = (void *)MTK_DISP_CCORR },
>  	{ .compatible = "mediatek,mt2701-disp-color",
>  	  .data = (void *)MTK_DISP_COLOR },
>  	{ .compatible = "mediatek,mt8173-disp-color",
> @@ -423,22 +459,30 @@ static void mtk_drm_unbind(struct device *dev)
>  	  .data = (void *)MTK_DISP_AAL},
>  	{ .compatible = "mediatek,mt8173-disp-gamma",
>  	  .data = (void *)MTK_DISP_GAMMA, },
> +	{ .compatible = "mediatek,mt8183-disp-dither",
> +	  .data = (void *)MTK_DISP_DITHER },
>  	{ .compatible = "mediatek,mt8173-disp-ufoe",
>  	  .data = (void *)MTK_DISP_UFOE },
>  	{ .compatible = "mediatek,mt2701-dsi",
>  	  .data = (void *)MTK_DSI },
>  	{ .compatible = "mediatek,mt8173-dsi",
>  	  .data = (void *)MTK_DSI },
> +	{ .compatible = "mediatek,mt8183-dsi",
> +	  .data = (void *)MTK_DSI },
>  	{ .compatible = "mediatek,mt2701-dpi",
>  	  .data = (void *)MTK_DPI },
>  	{ .compatible = "mediatek,mt8173-dpi",
>  	  .data = (void *)MTK_DPI },
> +	{ .compatible = "mediatek,mt8183-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,mt8183-disp-mutex",
> +	  .data = (void *)MTK_DISP_MUTEX },
>  	{ .compatible = "mediatek,mt2701-disp-pwm",
>  	  .data = (void *)MTK_DISP_BLS },
>  	{ .compatible = "mediatek,mt8173-disp-pwm",
> @@ -514,6 +558,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
>  		 */
>  		if (comp_type == MTK_DISP_COLOR ||
>  		    comp_type == MTK_DISP_OVL ||
> +		    comp_type == MTK_DISP_OVL_2L ||
>  		    comp_type == MTK_DISP_RDMA ||
>  		    comp_type == MTK_DSI ||
>  		    comp_type == MTK_DPI) {
> @@ -613,6 +658,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
>  	  .data = &mt2712_mmsys_driver_data},
>  	{ .compatible = "mediatek,mt8173-mmsys",
>  	  .data = &mt8173_mmsys_driver_data},
> +	{ .compatible = "mediatek,mt8183-display",
> +	  .data = &mt8183_mmsys_driver_data},
>  	{ }
>  };
>  
> 

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