Re: [PATCH 16/28] drm/mediatek: add connection from RDMA1 to DSI2

From: CK Hu <ck.hu@mediatek.com>
To: Stu Hsieh <stu.hsieh@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, srv_heupstream@mediatek.com,
	David Airlie <airlied@linux.ie>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	Rob Herring <robh+dt@kernel.org>,
	linux-mediatek@lists.infradead.org,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 16/28] drm/mediatek: add connection from RDMA1 to DSI2
Date: Wed, 13 Jun 2018 15:00:20 +0800	[thread overview]
Message-ID: <1528873220.30263.2.camel@mtksdaap41> (raw)
In-Reply-To: <1528687580-549-17-git-send-email-stu.hsieh@mediatek.com>

Hi, Stu:

On Mon, 2018-06-11 at 11:26 +0800, Stu Hsieh wrote:
> This patch add the connection from RDMA1 to DSI2
> 
> Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>

Reviewed-by: CK Hu <ck.hu at mediatek.com>

> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 7e4ad5580cf6..c3e647b04ffd 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -28,6 +28,7 @@
>  #define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN	0x050
>  #define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN	0x084
>  #define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN	0x088
> +#define DISP_REG_CONFIG_DSIE_SEL_IN		0x0a4
>  #define DISP_REG_CONFIG_DSIO_SEL_IN		0x0a8
>  #define DISP_REG_CONFIG_DPI_SEL_IN		0x0ac
>  #define DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN	0x0c4
> @@ -86,11 +87,13 @@
>  #define RDMA0_MOUT_DSI2			0x4
>  #define RDMA0_MOUT_DSI3			0x5
>  #define RDMA1_MOUT_DSI1			0x1
> +#define RDMA1_MOUT_DSI2			0x4
>  #define RDMA1_MOUT_DPI0			0x2
>  #define RDMA1_MOUT_DPI1			0x3
>  #define DPI0_SEL_IN_RDMA1		0x1
>  #define DPI1_SEL_IN_RDMA1		(0x1 << 8)
>  #define DSI1_SEL_IN_RDMA1		0x1
> +#define DSI2_SEL_IN_RDMA1		(0x1 << 16)
>  #define COLOR1_SEL_IN_OVL1		0x1
>  
>  #define OVL_MOUT_EN_RDMA		0x1
> @@ -176,6 +179,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
>  		value = RDMA1_MOUT_DSI1;
> +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
> +		*addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
> +		value = RDMA1_MOUT_DSI2;
>  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
>  		value = RDMA1_MOUT_DPI0;
> @@ -207,6 +213,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
>  		*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
>  		value = DSI1_SEL_IN_RDMA1;
> +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
> +		*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> +		value = DSI2_SEL_IN_RDMA1;
>  	} else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
>  		*addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
>  		value = COLOR1_SEL_IN_OVL1;

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