Re: [PATCH v5, 14/32] drm/mediatek: add ddp component CCORR

[CK Hu <ck.hu@mediatek.com>]

Hi, Yongqiang:

On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@mediatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@mediatek.com>
> 
> This patch add ddp component CCORR
> 

Applied to mediatek-drm-next-5.5 [1], thanks.

[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.5

Regards,
CK

> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Reviewed-by: CK Hu <ck.hu@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 32 +++++++++++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  2 ++
>  2 files changed, 34 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index d1afa06..b18bd66 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -33,6 +33,12 @@
>  #define DISP_AAL_EN				0x0000
>  #define DISP_AAL_SIZE				0x0030
>  
> +#define DISP_CCORR_EN				0x0000
> +#define CCORR_EN				BIT(0)
> +#define DISP_CCORR_CFG				0x0020
> +#define CCORR_RELAY_MODE			BIT(0)
> +#define DISP_CCORR_SIZE				0x0030
> +
>  #define DISP_GAMMA_EN				0x0000
>  #define DISP_GAMMA_CFG				0x0020
>  #define DISP_GAMMA_SIZE				0x0030
> @@ -123,6 +129,24 @@ static void mtk_aal_stop(struct mtk_ddp_comp *comp)
>  	writel_relaxed(0x0, comp->regs + DISP_AAL_EN);
>  }
>  
> +static void mtk_ccorr_config(struct mtk_ddp_comp *comp, unsigned int w,
> +			     unsigned int h, unsigned int vrefresh,
> +			     unsigned int bpc)
> +{
> +	writel(h << 16 | w, comp->regs + DISP_CCORR_SIZE);
> +	writel(CCORR_RELAY_MODE, comp->regs + DISP_CCORR_CFG);
> +}
> +
> +static void mtk_ccorr_start(struct mtk_ddp_comp *comp)
> +{
> +	writel(CCORR_EN, comp->regs + DISP_CCORR_EN);
> +}
> +
> +static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
> +{
> +	writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
> +}
> +
>  static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
>  			     unsigned int h, unsigned int vrefresh,
>  			     unsigned int bpc)
> @@ -171,6 +195,12 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
>  	.stop = mtk_aal_stop,
>  };
>  
> +static const struct mtk_ddp_comp_funcs ddp_ccorr = {
> +	.config = mtk_ccorr_config,
> +	.start = mtk_ccorr_start,
> +	.stop = mtk_ccorr_stop,
> +};
> +
>  static const struct mtk_ddp_comp_funcs ddp_gamma = {
>  	.gamma_set = mtk_gamma_set,
>  	.config = mtk_gamma_config,
> @@ -192,6 +222,7 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
>  	[MTK_DISP_RDMA] = "rdma",
>  	[MTK_DISP_WDMA] = "wdma",
>  	[MTK_DISP_COLOR] = "color",
> +	[MTK_DISP_CCORR] = "ccorr",
>  	[MTK_DISP_AAL] = "aal",
>  	[MTK_DISP_GAMMA] = "gamma",
>  	[MTK_DISP_UFOE] = "ufoe",
> @@ -213,6 +244,7 @@ struct mtk_ddp_comp_match {
>  	[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, NULL },
>  	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, NULL },
>  	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, NULL },
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index 108de60..8d220224 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -20,6 +20,7 @@ enum mtk_ddp_comp_type {
>  	MTK_DISP_RDMA,
>  	MTK_DISP_WDMA,
>  	MTK_DISP_COLOR,
> +	MTK_DISP_CCORR,
>  	MTK_DISP_AAL,
>  	MTK_DISP_GAMMA,
>  	MTK_DISP_UFOE,
> @@ -36,6 +37,7 @@ enum mtk_ddp_comp_id {
>  	DDP_COMPONENT_AAL0,
>  	DDP_COMPONENT_AAL1,
>  	DDP_COMPONENT_BLS,
> +	DDP_COMPONENT_CCORR,
>  	DDP_COMPONENT_COLOR0,
>  	DDP_COMPONENT_COLOR1,
>  	DDP_COMPONENT_DPI0,