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SubjectRe: [PATCH v5, 30/32] drm/mediatek: add connection from DITHER0 to DSI0
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Hi, Yongqiang:

On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@mediatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@mediatek.com>
>
> This patch add connection from DITHER0 to DSI0

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

>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.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 237824f..fd38658 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -35,10 +35,12 @@
>
> #define MT8183_DISP_OVL0_2L_MOUT_EN 0xf04
> #define MT8183_DISP_OVL1_2L_MOUT_EN 0xf08
> +#define MT8183_DISP_DITHER0_MOUT_EN 0xf0c
> #define MT8183_DISP_PATH0_SEL_IN 0xf24
>
> #define OVL0_2L_MOUT_EN_DISP_PATH0 BIT(0)
> #define OVL1_2L_MOUT_EN_RDMA1 BIT(4)
> +#define DITHER0_MOUT_IN_DSI0 BIT(0)
> #define DISP_PATH0_SEL_IN_OVL0_2L 0x1
>
> #define MT2701_DISP_MUTEX0_MOD0 0x2c
> @@ -323,6 +325,9 @@ static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data,
> next == DDP_COMPONENT_RDMA1) {
> *addr = MT8183_DISP_OVL1_2L_MOUT_EN;
> value = OVL1_2L_MOUT_EN_RDMA1;
> + } else if (cur == DDP_COMPONENT_DITHER && next == DDP_COMPONENT_DSI0) {
> + *addr = MT8183_DISP_DITHER0_MOUT_EN;
> + value = DITHER0_MOUT_IN_DSI0;
> } else {
> value = 0;
> }


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