linux-kernel - Re: [PATCH 12/28] drm/mediatek: add connection from RDMA0 to DSI2

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Date:   Wed, 13 Jun 2018 13:39:50 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Stu Hsieh <stu.hsieh@...iatek.com>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.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>, <srv_heupstream@...iatek.com>
Subject: Re: [PATCH 12/28] drm/mediatek: add connection from RDMA0 to DSI2

On Mon, 2018-06-11 at 11:26 +0800, Stu Hsieh wrote:
> This patch add the connection from RDMA0 to DSI2
> 
> Signed-off-by: Stu Hsieh <stu.hsieh@...iatek.com>

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

> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index d7953f2f6a36..c08aed8dae44 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -82,6 +82,7 @@
>  #define OVL1_MOUT_EN_COLOR1		0x1
>  #define GAMMA_MOUT_EN_RDMA1		0x1
>  #define RDMA0_MOUT_DPI0			0x2
> +#define RDMA0_MOUT_DSI2			0x4
>  #define RDMA1_MOUT_DPI0			0x2
>  #define DPI0_SEL_IN_RDMA1		0x1
>  #define COLOR1_SEL_IN_OVL1		0x1
> @@ -160,6 +161,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN;
>  		value = RDMA0_MOUT_DPI0;
> +	} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
> +		*addr = DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN;
> +		value = RDMA0_MOUT_DSI2;
>  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
>  		value = RDMA1_MOUT_DPI0;