linux-kernel - [PATCH v6, 06/14] drm/mediatek: add connection from OVL0 to OVL

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Message-ID: <1577937624-14313-7-git-send-email-yongqiang.niu@mediatek.com>
Date:   Thu, 2 Jan 2020 12:00:16 +0800
From:   Yongqiang Niu <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 v6, 06/14] drm/mediatek: add connection from OVL0 to OVL_2L0

This patch add connection from OVL0 to OVL_2L0

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

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 990021d..4f7182e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -137,6 +137,8 @@
 #define DPI_SEL_IN_BLS			0x0
 #define DSI_SEL_IN_RDMA			0x1
 
+#define OVL0_MOUT_EN_OVL0_2L		BIT(4)
+
 struct mtk_disp_mutex {
 	int id;
 	bool claimed;
@@ -300,6 +302,9 @@ static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data,
 	} else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
 		*addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
 		value = OD1_MOUT_EN_RDMA1;
+	} else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_OVL_2L0) {
+		*addr = data->ovl0_mout_en;
+		value = OVL0_MOUT_EN_OVL0_2L;
 	} else {
 		value = 0;
 	}
-- 
1.8.1.1.dirty