video: rockchip: vop: 3399: add power domain control

Change-Id: Ie10029456b2a62a30c5571131c142e0468f86d48
Signed-off-by: Huang Jiachai <hjc@rock-chips.com>

diff --git a/drivers/video/rockchip/lcdc/rk322x_lcdc.c b/drivers/video/rockchip/lcdc/rk322x_lcdc.c
index c89a13587d7015c3a03d4973437a8500e289319f..c9b9c0ec48650d761361b40773b6187c65054ce0 100644 (file)
--- a/drivers/video/rockchip/lcdc/rk322x_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk322x_lcdc.c
@@ -364,6 +364,9 @@ static int vop_clk_enable(struct vop_device *vop_dev)
                        clk_prepare_enable(vop_dev->hclk_noc);
                if (vop_dev->aclk_noc)
                        clk_prepare_enable(vop_dev->aclk_noc);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+               pm_runtime_get_sync(vop_dev->dev);
+#endif
                spin_lock(&vop_dev->reg_lock);
                vop_dev->clk_on = 1;
                spin_unlock(&vop_dev->reg_lock);
@@ -379,6 +382,9 @@ static int vop_clk_disable(struct vop_device *vop_dev)
                vop_dev->clk_on = 0;
                spin_unlock(&vop_dev->reg_lock);
                mdelay(25);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+               pm_runtime_put(vop_dev->dev);
+#endif
                clk_disable_unprepare(vop_dev->dclk);
                clk_disable_unprepare(vop_dev->hclk);
                clk_disable_unprepare(vop_dev->aclk);
@@ -4824,6 +4830,10 @@ static int vop_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, vop_dev);
        vop_dev->dev = dev;
        vop_parse_dt(vop_dev);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+       /* enable power domain */
+       pm_runtime_enable(dev);
+#endif
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        vop_dev->reg_phy_base = res->start;
        vop_dev->len = resource_size(res);
@@ -4929,6 +4939,9 @@ static void vop_shutdown(struct platform_device *pdev)
        vop_deint(vop_dev);
 
        vop_clk_disable(vop_dev);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+       pm_runtime_disable(vop_dev->dev);
+#endif
        rk_disp_pwr_disable(dev_drv);
 }