move register operation into mmsys path select function

Signed-off-by: Yongqiang Niu <yongqiang....@mediatek.com>
---
 drivers/soc/mediatek/mmsys/mtk-mmsys.c | 140 +++++++++++++++++----------------
 1 file changed, 71 insertions(+), 69 deletions(-)

diff --git a/drivers/soc/mediatek/mmsys/mtk-mmsys.c 
b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
index 6c03282..64c8030 100644
--- a/drivers/soc/mediatek/mmsys/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
@@ -106,141 +106,161 @@ struct mtk_mmsys {
        .clk_driver = "clk-mt8183-mm",
 };
 
-static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
-                                         enum mtk_ddp_comp_id next,
-                                         unsigned int *addr)
+static void mtk_mmsys_ddp_mout_en(void __iomem *config_regs,
+                                 enum mtk_ddp_comp_id cur,
+                                 enum mtk_ddp_comp_id next,
+                                 bool enable)
 {
-       unsigned int value;
+       unsigned int addr, value, reg;
 
        if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
-               *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
                value = OVL0_MOUT_EN_COLOR0;
        } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
-               *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
                value = OVL_MOUT_EN_RDMA;
        } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
-               *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
                value = OD_MOUT_EN_RDMA0;
        } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
-               *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
                value = UFOE_MOUT_EN_DSI0;
        } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
-               *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
                value = OVL1_MOUT_EN_COLOR1;
        } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
-               *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
                value = GAMMA_MOUT_EN_RDMA1;
        } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
-               *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
                value = OD1_MOUT_EN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
                value = RDMA0_SOUT_DPI0;
        } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
                value = RDMA0_SOUT_DPI1;
        } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
                value = RDMA0_SOUT_DSI1;
        } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
                value = RDMA0_SOUT_DSI2;
        } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
                value = RDMA0_SOUT_DSI3;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
                value = RDMA1_SOUT_DSI1;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
                value = RDMA1_SOUT_DSI2;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
                value = RDMA1_SOUT_DSI3;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
                value = RDMA1_SOUT_DPI0;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+               addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
                value = RDMA1_SOUT_DPI1;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+               addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
                value = RDMA2_SOUT_DPI0;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+               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;
+               addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
                value = RDMA2_SOUT_DSI1;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+               addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
                value = RDMA2_SOUT_DSI2;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
-               *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+               addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
                value = RDMA2_SOUT_DSI3;
        } else {
                value = 0;
        }
 
-       return value;
+       if (value) {
+               reg = readl_relaxed(config_regs + addr);
+
+               if (enable)
+                       reg |= value;
+               else
+                       reg &= ~value;
+
+               writel_relaxed(reg, config_regs + addr);
+       }
 }
 
-static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
-                                        enum mtk_ddp_comp_id next,
-                                        unsigned int *addr)
+static void mtk_mmsys_ddp_sel_in(void __iomem *config_regs,
+                                enum mtk_ddp_comp_id cur,
+                                enum mtk_ddp_comp_id next,
+                                bool enable)
 {
-       unsigned int value;
+       unsigned int addr, value, reg;
 
        if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
-               *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
+               addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
                value = COLOR0_SEL_IN_OVL0;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
-               *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+               addr = DISP_REG_CONFIG_DPI_SEL_IN;
                value = DPI0_SEL_IN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
-               *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+               addr = DISP_REG_CONFIG_DPI_SEL_IN;
                value = DPI1_SEL_IN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
-               *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIE_SEL_IN;
                value = DSI0_SEL_IN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
-               *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIO_SEL_IN;
                value = DSI1_SEL_IN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
-               *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIE_SEL_IN;
                value = DSI2_SEL_IN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
-               *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIO_SEL_IN;
                value = DSI3_SEL_IN_RDMA1;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
-               *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+               addr = DISP_REG_CONFIG_DPI_SEL_IN;
                value = DPI0_SEL_IN_RDMA2;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
-               *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+               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;
+               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_DSIO_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIO_SEL_IN;
                value = DSI1_SEL_IN_RDMA2;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
-               *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIE_SEL_IN;
                value = DSI2_SEL_IN_RDMA2;
        } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
-               *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+               addr = DISP_REG_CONFIG_DSIE_SEL_IN;
                value = DSI3_SEL_IN_RDMA2;
        } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
-               *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
+               addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
                value = COLOR1_SEL_IN_OVL1;
        } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
-               *addr = DISP_REG_CONFIG_DSI_SEL;
+               addr = DISP_REG_CONFIG_DSI_SEL;
                value = DSI_SEL_IN_BLS;
        } else {
                value = 0;
        }
 
-       return value;
+       if (value) {
+               reg = readl_relaxed(config_regs + addr);
+
+               if (enable)
+                       reg |= value;
+               else
+                       reg &= ~value;
+
+               writel_relaxed(reg, config_regs + addr);
+       }
 }
 
 static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs,
@@ -265,21 +285,12 @@ void mtk_mmsys_ddp_connect(struct device *dev,
                           enum mtk_ddp_comp_id next)
 {
        struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
-       unsigned int addr, value, reg;
 
-       value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
-       if (value) {
-               reg = readl_relaxed(mmsys->regs + addr) | value;
-               writel_relaxed(reg, mmsys->regs + addr);
-       }
+       mtk_mmsys_ddp_mout_en(mmsys->regs, cur, next, true);
 
        mtk_mmsys_ddp_sout_sel(mmsys->regs, cur, next);
 
-       value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
-       if (value) {
-               reg = readl_relaxed(mmsys->regs + addr) | value;
-               writel_relaxed(reg, mmsys->regs + addr);
-       }
+       mtk_mmsys_ddp_sel_in(mmsys->regs, cur, next, true);
 }
 EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect);
 
@@ -288,19 +299,10 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
                              enum mtk_ddp_comp_id next)
 {
        struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
-       unsigned int addr, value, reg;
 
-       value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
-       if (value) {
-               reg = readl_relaxed(mmsys->regs + addr) & ~value;
-               writel_relaxed(reg, mmsys->regs + addr);
-       }
+       mtk_mmsys_ddp_mout_en(mmsys->regs, cur, next, false);
 
-       value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
-       if (value) {
-               reg = readl_relaxed(mmsys->regs + addr) & ~value;
-               writel_relaxed(reg, mmsys->regs + addr);
-       }
+       mtk_mmsys_ddp_sel_in(mmsys->regs, cur, next, false);
 }
 EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
 
-- 
1.8.1.1.dirty

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