video: rockchip: rk32_dp: covert dsb() to dsb(sy)

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

diff --git a/drivers/video/rockchip/transmitter/rk32_dp.c b/drivers/video/rockchip/transmitter/rk32_dp.c
index 51461f1af80b8724e3b889e889ffee0400eb7da5..216118c361ac0f6f71b07c5269664fadc09c576c 100644 (file)
--- a/drivers/video/rockchip/transmitter/rk32_dp.c
+++ b/drivers/video/rockchip/transmitter/rk32_dp.c
@@ -75,14 +75,14 @@ static int rk32_edp_pre_init(void)
 
        val = 0x80008000;
        writel_relaxed(val, RK_CRU_VIRT + 0x0d0); /*select 24m*/
-       dsb();
+       dsb(sy);
        val = 0x80008000;
        writel_relaxed(val, RK_CRU_VIRT + 0x01d0); /*reset edp*/
-       dsb();
+       dsb(sy);
        udelay(1);
        val = 0x80000000;
        writel_relaxed(val, RK_CRU_VIRT + 0x01d0);
-       dsb();
+       dsb(sy);
        udelay(1);
        return 0;
 }