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SubjectRe: [PATCH v5, 25/32] drm/mediatek: add connection from OVL0 to OVL_2L0
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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 OVL0 to OVL_2L0

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 effc24a..42a130a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -137,6 +137,8 @@
> #define DPI_SEL_IN_BLS 0x0
> #define DSI_SEL_IN_RDMA 0x1
>
> +#define OVL0_MOUT_EN_OVL0_2L BIT(4)
> +
> struct mtk_disp_mutex {
> int id;
> bool claimed;
> @@ -299,6 +301,9 @@ static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data,
> } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
> *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> value = OD1_MOUT_EN_RDMA1;
> + } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_OVL_2L0) {
> + *addr = data->ovl0_mout_en;
> + value = OVL0_MOUT_EN_OVL0_2L;
> } else {
> value = 0;
> }


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