rk3368 lcdc: fix deadlock when close lcdc and update reg

Signed-off-by: hjc <hjc@rock-chips.com>

diff --git a/drivers/video/rockchip/lcdc/rk3368_lcdc.c b/drivers/video/rockchip/lcdc/rk3368_lcdc.c
index 3007d42cc978fa3adb53d78f9b69d4c33c726813..1a524ffd088ffdcb705f00631516906ae5c2a3ad 100755 (executable)
--- a/drivers/video/rockchip/lcdc/rk3368_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk3368_lcdc.c
@@ -1392,7 +1392,6 @@ static int rk3368_lcdc_layer_update_regs(struct lcdc_device *lcdc_dev,
        int timeout;
        unsigned long flags;
 
-       spin_lock(&lcdc_dev->reg_lock);
        if (likely(lcdc_dev->clk_on)) {
                lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_STANDBY_EN,
                             v_STANDBY_EN(lcdc_dev->standby));
@@ -1405,7 +1404,6 @@ static int rk3368_lcdc_layer_update_regs(struct lcdc_device *lcdc_dev,
                /*rk3368_lcdc_post_cfg(dev_drv); */
                lcdc_cfg_done(lcdc_dev);
        }
-       spin_unlock(&lcdc_dev->reg_lock);
 
        /*if (dev_drv->wait_fs) { */
        if (0) {