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Date:   Mon, 28 Dec 2020 16:37:09 +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>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [PATCH v3, 7/8] soc: mediatek: mmsys: Use function call for setting mmsys ovl mout register

Use function call for setting mmsys ovl mout register

Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
 drivers/soc/mediatek/mmsys/mtk-mmsys.c | 20 ++++++++++++++++++++
 include/linux/soc/mediatek/mtk-mmsys.h |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/drivers/soc/mediatek/mmsys/mtk-mmsys.c b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
index dae665b..ea36a11 100644
--- a/drivers/soc/mediatek/mmsys/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
@@ -74,6 +74,17 @@ void mtk_mmsys_ddp_connect(struct device *dev,
 		reg = readl_relaxed(mmsys->regs + addr) | value;
 		writel_relaxed(reg, mmsys->regs + addr);
 	}
+
+	if (!funcs->ovl_mout_en)
+		return;
+
+	if (funcs->ovl_mout_en) {
+		value = funcs->ovl_mout_en(cur, next, &addr);
+		if (value) {
+			reg = readl_relaxed(mmsys->regs + addr) | value;
+			writel_relaxed(reg, mmsys->regs + addr);
+		}
+	}
 }
 EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect);
 
@@ -99,6 +110,15 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
 		reg = readl_relaxed(mmsys->regs + addr) & ~value;
 		writel_relaxed(reg, mmsys->regs + addr);
 	}
+
+	if (!funcs->ovl_mout_en)
+		return;
+
+	value = funcs->ovl_mout_en(cur, next, &addr);
+	if (value) {
+		reg = readl_relaxed(mmsys->regs + addr) & ~value;
+		writel_relaxed(reg, mmsys->regs + addr);
+	}
 }
 EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
 
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index aa4f60e..220203d 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -49,6 +49,9 @@ struct mtk_mmsys_conn_funcs {
 	u32 (*mout_en)(enum mtk_ddp_comp_id cur,
 		       enum mtk_ddp_comp_id next,
 		       unsigned int *addr);
+	u32 (*ovl_mout_en)(enum mtk_ddp_comp_id cur,
+			   enum mtk_ddp_comp_id next,
+			   unsigned int *addr);
 	u32 (*sel_in)(enum mtk_ddp_comp_id cur,
 		      enum mtk_ddp_comp_id next,
 		      unsigned int *addr);
-- 
1.8.1.1.dirty

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