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SubjectRe: [PATCH 15/28] drm/mediatek: add connection from RDMA1 to DSI1
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Hi, Stu:

On Mon, 2018-06-11 at 11:26 +0800, Stu Hsieh wrote:
> This patch add the connection from RDMA1 to DSI1
>
> Signed-off-by: Stu Hsieh <stu.hsieh@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 4abd5dabeccf..7e4ad5580cf6 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_DSIO_SEL_IN 0x0a8
> #define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac
> #define DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN 0x0c4
> #define DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN 0x0c8
> @@ -84,10 +85,12 @@
> #define RDMA0_MOUT_DPI0 0x2
> #define RDMA0_MOUT_DSI2 0x4
> #define RDMA0_MOUT_DSI3 0x5
> +#define RDMA1_MOUT_DSI1 0x1
> #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 COLOR1_SEL_IN_OVL1 0x1
>
> #define OVL_MOUT_EN_RDMA 0x1
> @@ -170,6 +173,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
> } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
> *addr = DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN;
> value = RDMA0_MOUT_DSI3;
> + } 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_DPI0) {
> *addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
> value = RDMA1_MOUT_DPI0;
> @@ -198,6 +204,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> value = DPI1_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> + *addr = DISP_REG_CONFIG_DSIO_SEL_IN;

Does data sheet use the naming 'DSI0'? You use this register to select
DSI1 input.

Regards,
CK

> + value = DSI1_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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