linux-kernel - [PATCH v4, 32/33] drm/mediatek: add connection from RDMA0 to DSI0

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Date:   Tue, 9 Jul 2019 06:34:12 +0800
From:   <yongqiang.niu@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [PATCH v4, 32/33] drm/mediatek: add connection from RDMA0 to DSI0

From: Yongqiang Niu <yongqiang.niu@...iatek.com>

This patch add connection from RDMA0 to DSI0

Signed-off-by: Yongqiang Niu <yongqiang.niu@...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 c4c8531..c4d8ecb 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -50,6 +50,7 @@
 #define OVL1_2L_MOUT_EN_RDMA1				BIT(4)
 #define DITHER0_MOUT_IN_DSI0				BIT(0)
 #define DISP_PATH0_SEL_IN_OVL0_2L			0x1
+#define DSI0_SEL_IN_RDMA0				0x1
 
 #define MT2701_DISP_MUTEX0_MOD0			0x2c
 #define MT2701_DISP_MUTEX0_SOF0			0x30
@@ -399,6 +400,9 @@ static unsigned int mtk_ddp_sel_in(const struct mtk_mmsys_reg_data *data,
 		   next == DDP_COMPONENT_RDMA0) {
 		*addr = MT8183_DISP_PATH0_SEL_IN;
 		value = DISP_PATH0_SEL_IN_OVL0_2L;
+	} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI0) {
+		*addr = data->dsi0_sel_in;
+		value = DSI0_SEL_IN_RDMA0;
 	} else {
 		value = 0;
 	}
-- 
1.8.1.1.dirty