Re: [PATCH v6 2/8] drm/mediatek: add component POSTMASK

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Hi, Hsin-Yi:

On Tue, 2021-02-02 at 16:12 +0800, Hsin-Yi Wang wrote:
> From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> 
> This patch add component POSTMASK.

Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>

> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 102 ++++++++++++++------
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |   1 +
>  2 files changed, 73 insertions(+), 30 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index b6c4e73031ca6..0a84ae53eb72a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -64,6 +64,12 @@
>  
>  #define AAL_EN					BIT(0)
>  
> +#define DISP_POSTMASK_EN			0x0000
> +#define POSTMASK_EN				BIT(0)
> +#define DISP_POSTMASK_CFG			0x0020
> +#define POSTMASK_RELAY_MODE			BIT(0)
> +#define DISP_POSTMASK_SIZE			0x0030
> +
>  #define DISP_DITHERING				BIT(2)
>  #define DITHER_LSB_ERR_SHIFT_R(x)		(((x) & 0x7) << 28)
>  #define DITHER_OVFLW_BIT_R(x)			(((x) & 0x7) << 24)
> @@ -204,6 +210,32 @@ static void mtk_ufoe_start(struct device *dev)
>  	writel(UFO_BYPASS, priv->regs + DISP_REG_UFO_START);
>  }
>  
> +void mtk_postmask_config(struct device *dev, unsigned int w,
> +			unsigned int h, unsigned int vrefresh,
> +			unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
> +{
> +	struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
> +
> +	mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs,
> +		      DISP_POSTMASK_SIZE);
> +	mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &priv->cmdq_reg,
> +		      priv->regs, DISP_POSTMASK_CFG);
> +}
> +
> +void mtk_postmask_start(struct device *dev)
> +{
> +	struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
> +
> +	writel(POSTMASK_EN, priv->regs + DISP_POSTMASK_EN);
> +}
> +
> +void mtk_postmask_stop(struct device *dev)
> +{
> +	struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
> +
> +	writel_relaxed(0x0, priv->regs + DISP_POSTMASK_EN);
> +}
> +
>  static void mtk_aal_config(struct device *dev, unsigned int w,
>  			   unsigned int h, unsigned int vrefresh,
>  			   unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
> @@ -413,6 +445,14 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = {
>  	.bgclr_in_off = mtk_ovl_bgclr_in_off,
>  };
>  
> +static const struct mtk_ddp_comp_funcs ddp_postmask = {
> +	.clk_enable = mtk_ddp_clk_enable,
> +	.clk_disable = mtk_ddp_clk_disable,
> +	.config = mtk_postmask_config,
> +	.start = mtk_postmask_start,
> +	.stop = mtk_postmask_stop,
> +};
> +
>  static const struct mtk_ddp_comp_funcs ddp_rdma = {
>  	.clk_enable = mtk_rdma_clk_enable,
>  	.clk_disable = mtk_rdma_clk_disable,
> @@ -448,6 +488,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
>  	[MTK_DISP_MUTEX] = "mutex",
>  	[MTK_DISP_OD] = "od",
>  	[MTK_DISP_BLS] = "bls",
> +	[MTK_DISP_POSTMASK] = "postmask",
>  };
>  
>  struct mtk_ddp_comp_match {
> @@ -457,36 +498,37 @@ struct mtk_ddp_comp_match {
>  };
>  
>  static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
> -	[DDP_COMPONENT_AAL0]	= { MTK_DISP_AAL,	0, &ddp_aal },
> -	[DDP_COMPONENT_AAL1]	= { MTK_DISP_AAL,	1, &ddp_aal },
> -	[DDP_COMPONENT_BLS]	= { MTK_DISP_BLS,	0, NULL },
> -	[DDP_COMPONENT_CCORR]	= { MTK_DISP_CCORR,	0, &ddp_ccorr },
> -	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, &ddp_color },
> -	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, &ddp_color },
> -	[DDP_COMPONENT_DITHER]	= { MTK_DISP_DITHER,	0, &ddp_dither },
> -	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, &ddp_dpi },
> -	[DDP_COMPONENT_DPI1]	= { MTK_DPI,		1, &ddp_dpi },
> -	[DDP_COMPONENT_DSI0]	= { MTK_DSI,		0, &ddp_dsi },
> -	[DDP_COMPONENT_DSI1]	= { MTK_DSI,		1, &ddp_dsi },
> -	[DDP_COMPONENT_DSI2]	= { MTK_DSI,		2, &ddp_dsi },
> -	[DDP_COMPONENT_DSI3]	= { MTK_DSI,		3, &ddp_dsi },
> -	[DDP_COMPONENT_GAMMA]	= { MTK_DISP_GAMMA,	0, &ddp_gamma },
> -	[DDP_COMPONENT_OD0]	= { MTK_DISP_OD,	0, &ddp_od },
> -	[DDP_COMPONENT_OD1]	= { MTK_DISP_OD,	1, &ddp_od },
> -	[DDP_COMPONENT_OVL0]	= { MTK_DISP_OVL,	0, &ddp_ovl },
> -	[DDP_COMPONENT_OVL1]	= { MTK_DISP_OVL,	1, &ddp_ovl },
> -	[DDP_COMPONENT_OVL_2L0]	= { MTK_DISP_OVL_2L,	0, &ddp_ovl },
> -	[DDP_COMPONENT_OVL_2L1]	= { MTK_DISP_OVL_2L,	1, &ddp_ovl },
> -	[DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L,    2, &ddp_ovl },
> -	[DDP_COMPONENT_PWM0]	= { MTK_DISP_PWM,	0, NULL },
> -	[DDP_COMPONENT_PWM1]	= { MTK_DISP_PWM,	1, NULL },
> -	[DDP_COMPONENT_PWM2]	= { MTK_DISP_PWM,	2, NULL },
> -	[DDP_COMPONENT_RDMA0]	= { MTK_DISP_RDMA,	0, &ddp_rdma },
> -	[DDP_COMPONENT_RDMA1]	= { MTK_DISP_RDMA,	1, &ddp_rdma },
> -	[DDP_COMPONENT_RDMA2]	= { MTK_DISP_RDMA,	2, &ddp_rdma },
> -	[DDP_COMPONENT_UFOE]	= { MTK_DISP_UFOE,	0, &ddp_ufoe },
> -	[DDP_COMPONENT_WDMA0]	= { MTK_DISP_WDMA,	0, NULL },
> -	[DDP_COMPONENT_WDMA1]	= { MTK_DISP_WDMA,	1, NULL },
> +	[DDP_COMPONENT_AAL0]		= { MTK_DISP_AAL,	0, &ddp_aal },
> +	[DDP_COMPONENT_AAL1]		= { MTK_DISP_AAL,	1, &ddp_aal },
> +	[DDP_COMPONENT_BLS]		= { MTK_DISP_BLS,	0, NULL },
> +	[DDP_COMPONENT_CCORR]		= { MTK_DISP_CCORR,	0, &ddp_ccorr },
> +	[DDP_COMPONENT_COLOR0]		= { MTK_DISP_COLOR,	0, &ddp_color },
> +	[DDP_COMPONENT_COLOR1]		= { MTK_DISP_COLOR,	1, &ddp_color },
> +	[DDP_COMPONENT_DITHER]		= { MTK_DISP_DITHER,	0, &ddp_dither },
> +	[DDP_COMPONENT_DPI0]		= { MTK_DPI,		0, &ddp_dpi },
> +	[DDP_COMPONENT_DPI1]		= { MTK_DPI,		1, &ddp_dpi },
> +	[DDP_COMPONENT_DSI0]		= { MTK_DSI,		0, &ddp_dsi },
> +	[DDP_COMPONENT_DSI1]		= { MTK_DSI,		1, &ddp_dsi },
> +	[DDP_COMPONENT_DSI2]		= { MTK_DSI,		2, &ddp_dsi },
> +	[DDP_COMPONENT_DSI3]		= { MTK_DSI,		3, &ddp_dsi },
> +	[DDP_COMPONENT_GAMMA]		= { MTK_DISP_GAMMA,	0, &ddp_gamma },
> +	[DDP_COMPONENT_OD0]		= { MTK_DISP_OD,	0, &ddp_od },
> +	[DDP_COMPONENT_OD1]		= { MTK_DISP_OD,	1, &ddp_od },
> +	[DDP_COMPONENT_OVL0]		= { MTK_DISP_OVL,	0, &ddp_ovl },
> +	[DDP_COMPONENT_OVL1]		= { MTK_DISP_OVL,	1, &ddp_ovl },
> +	[DDP_COMPONENT_OVL_2L0]		= { MTK_DISP_OVL_2L,	0, &ddp_ovl },
> +	[DDP_COMPONENT_OVL_2L1]		= { MTK_DISP_OVL_2L,	1, &ddp_ovl },
> +	[DDP_COMPONENT_OVL_2L2]		= { MTK_DISP_OVL_2L,    2, &ddp_ovl },
> +	[DDP_COMPONENT_POSTMASK0]	= { MTK_DISP_POSTMASK,	0, &ddp_postmask },
> +	[DDP_COMPONENT_PWM0]		= { MTK_DISP_PWM,	0, NULL },
> +	[DDP_COMPONENT_PWM1]		= { MTK_DISP_PWM,	1, NULL },
> +	[DDP_COMPONENT_PWM2]		= { MTK_DISP_PWM,	2, NULL },
> +	[DDP_COMPONENT_RDMA0]		= { MTK_DISP_RDMA,	0, &ddp_rdma },
> +	[DDP_COMPONENT_RDMA1]		= { MTK_DISP_RDMA,	1, &ddp_rdma },
> +	[DDP_COMPONENT_RDMA2]		= { MTK_DISP_RDMA,	2, &ddp_rdma },
> +	[DDP_COMPONENT_UFOE]		= { MTK_DISP_UFOE,	0, &ddp_ufoe },
> +	[DDP_COMPONENT_WDMA0]		= { MTK_DISP_WDMA,	0, NULL },
> +	[DDP_COMPONENT_WDMA1]		= { MTK_DISP_WDMA,	1, NULL },
>  };
>  
>  static bool mtk_drm_find_comp_in_ddp(struct device *dev,
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index bb914d976cf5d..cd1dec6b4cdf2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -30,6 +30,7 @@ enum mtk_ddp_comp_type {
>  	MTK_DISP_UFOE,
>  	MTK_DSI,
>  	MTK_DPI,
> +	MTK_DISP_POSTMASK,
>  	MTK_DISP_PWM,
>  	MTK_DISP_MUTEX,
>  	MTK_DISP_OD,

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