diff mbox series

[RESEND,v6,14/17] drm/mediatek: add connection from DITHER0 to DSI0

Message ID 1578021148-32413-15-git-send-email-yongqiang.niu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series add drm support for MT8183 | expand

Commit Message

Yongqiang Niu Jan. 3, 2020, 3:12 a.m. UTC 
This patch add connection from DITHER0 to DSI0

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 56750ba..81d91f5 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
@@ -324,6 +326,9 @@  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;
 	}