linux-kernel - Re: [PATCH v5, 26/32] drm/mediatek: add connection from RDMA0 to COLOR0

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Message-ID: <1567146206.5942.17.camel@mtksdaap41>
Date:   Fri, 30 Aug 2019 14:23:26 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     <yongqiang.niu@...iatek.com>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "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, 26/32] drm/mediatek: add connection from RDMA0 to
 COLOR0

Hi, Yongqiang:

On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@...iatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
> 
> This patch add connection from RDMA0 to COLOR0

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

> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 42a130a..03a46ec 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -171,6 +171,8 @@ struct mtk_ddp {
>  
>  struct mtk_mmsys_reg_data {
>  	u32 ovl0_mout_en;
> +	u32 rdma0_sout_sel_in;
> +	u32 rdma0_sout_color0;
>  	u32 rdma1_sout_sel_in;
>  	u32 rdma1_sout_dpi0;
>  	u32 dpi0_sel_in;
> @@ -428,6 +430,9 @@ static unsigned int mtk_ddp_sout_sel(const struct mtk_mmsys_reg_data *data,
>  	} else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
>  		value = RDMA2_SOUT_DSI3;
> +	} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_COLOR0) {
> +		*addr = data->rdma0_sout_sel_in;
> +		value = data->rdma0_sout_color0;
>  	} else {
>  		value = 0;
>  	}