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From:   Stu Hsieh <stu.hsieh@mediatek.com>
To:     CK Hu <ck.hu@mediatek.com>, Philipp Zabel <p.zabel@pengutronix.de>
CC:     David Airlie <airlied@linux.ie>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        <dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>,
        <srv_heupstream@mediatek.com>, Stu Hsieh <stu.hsieh@mediatek.com>
Subject: [PATCH v6 22/29] drm/mediatek: add connection from RDMA2 to DSI1
Date:   Tue, 19 Jun 2018 15:34:23 +0800
Message-ID: <1529393670-26862-23-git-send-email-stu.hsieh@mediatek.com>
In-Reply-To: <1529393670-26862-1-git-send-email-stu.hsieh@mediatek.com>
References: <1529393670-26862-1-git-send-email-stu.hsieh@mediatek.com>
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This patch add the connection from RDMA2 to DSI1

Signed-off-by: Stu Hsieh <stu.hsieh@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