linux-kernel - [PATCH v1 04/15] drm/mediatek: add connection from RDMA2 to DSI0

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Message-ID: <1532420235-22268-5-git-send-email-stu.hsieh@mediatek.com>
Date:   Tue, 24 Jul 2018 16:17:04 +0800
From:   Stu Hsieh <stu.hsieh@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>
CC:     David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        Stu Hsieh <stu.hsieh@...iatek.com>
Subject: [PATCH v1 04/15] drm/mediatek: add connection from RDMA2 to DSI0

This patch add connection from RDMA2 to DSI0

Signed-off-by: Stu Hsieh <stu.hsieh@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 31189fad8d4e..3239f22785fd 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -125,6 +125,7 @@
 #define DPI1_SEL_IN_RDMA1		(0x1 << 8)
 #define DPI1_SEL_IN_RDMA2		(0x3 << 8)
 #define DSI0_SEL_IN_RDMA1		0x1
+#define DSI0_SEL_IN_RDMA2		0x4
 #define DSI1_SEL_IN_RDMA1		0x1
 #define DSI1_SEL_IN_RDMA2		0x4
 #define DSI2_SEL_IN_RDMA1		(0x1 << 16)
@@ -309,6 +310,9 @@ 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_DSI0) {
+		*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+		value = DSI0_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;
-- 
2.12.5