This patch add the connection from RDMA2 to DSI1

Signed-off-by: Stu Hsieh <stu.hs...@mediatek.com>
Reviewed-by: CK Hu <ck...@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index a4b418302f32..db78fad785e3 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -94,11 +94,13 @@
 #define RDMA1_SOUT_DSI3                        0x5
 #define RDMA2_SOUT_DPI0                        0x2
 #define RDMA2_SOUT_DPI1                        0x3
+#define RDMA2_SOUT_DSI1                        0x1
 #define DPI0_SEL_IN_RDMA1              0x1
 #define DPI0_SEL_IN_RDMA2              0x3
 #define DPI1_SEL_IN_RDMA1              (0x1 << 8)
 #define DPI1_SEL_IN_RDMA2              (0x3 << 8)
 #define DSI1_SEL_IN_RDMA1              0x1
+#define DSI1_SEL_IN_RDMA2              0x4
 #define DSI2_SEL_IN_RDMA1              (0x1 << 16)
 #define DSI3_SEL_IN_RDMA1              (0x1 << 16)
 #define COLOR1_SEL_IN_OVL1             0x1
@@ -204,6 +206,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id 
cur,
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
                *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
                value = RDMA2_SOUT_DPI1;
+       } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
+               *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+               value = RDMA2_SOUT_DSI1;
        } else {
                value = 0;
        }
@@ -241,6 +246,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
                *addr = DISP_REG_CONFIG_DPI_SEL_IN;
                value = DPI1_SEL_IN_RDMA2;
+       } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
+               *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+               value = DSI1_SEL_IN_RDMA2;
        } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
                *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
                value = COLOR1_SEL_IN_OVL1;
-- 
2.12.5

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