Re: [PATCH v6, 02/14] drm/mediatek: move dsi/dpi select input into mtk_ddp_sel_in

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Hi, Yongqiang:

On Thu, 2020-01-02 at 12:00 +0800, Yongqiang Niu wrote:
> move dsi/dpi select input into mtk_ddp_sel_in
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 39700b9..91c9b19 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -376,6 +376,12 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
>  		*addr = DISP_REG_CONFIG_DSI_SEL;
>  		value = DSI_SEL_IN_BLS;
> +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
> +		*addr = DISP_REG_CONFIG_DSI_SEL;
> +		value = DSI_SEL_IN_RDMA;

In original code, this is set when cur == DDP_COMPONENT_BLS and next ==
DDP_COMPONENT_DPI0. Why do you change the condition?

Regards,
CK

> +	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
> +		*addr = DISP_REG_CONFIG_DPI_SEL;
> +		value = DPI_SEL_IN_BLS;
>  	} else {
>  		value = 0;
>  	}
> @@ -393,10 +399,6 @@ static void mtk_ddp_sout_sel(struct regmap *config_regs,
>  	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
>  		regmap_write(config_regs, DISP_REG_CONFIG_OUT_SEL,
>  				BLS_TO_DPI_RDMA1_TO_DSI);
> -		regmap_write(config_regs, DISP_REG_CONFIG_DSI_SEL,
> -				DSI_SEL_IN_RDMA);
> -		regmap_write(config_regs, DISP_REG_CONFIG_DPI_SEL,
> -				DPI_SEL_IN_BLS);
>  	}
>  }
>  





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