video/rockchip: rga2: use axi safe reset

RGA2_SYS_CTRL bit[6] a safe reset, it would be ensure all
axi write/read operation into completion

Change-Id: I39a5a6a9f10883d355c428e9dbaa89778682c49b
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/video/rockchip/rga2/rga2_drv.c b/drivers/video/rockchip/rga2/rga2_drv.c
index 8b3b176263ee78ebb26425057c0979d3ae3f9967..936411d895cda3f874e71dc814b114a5f5459c1f 100644 (file)
--- a/drivers/video/rockchip/rga2/rga2_drv.c
+++ b/drivers/video/rockchip/rga2/rga2_drv.c
@@ -188,7 +188,7 @@ static void rga2_soft_reset(void)
        u32 i;
        u32 reg;
 
-       rga2_write((1 << 3) | (1 << 4), RGA2_SYS_CTRL); //RGA_SYS_CTRL
+       rga2_write((1 << 3) | (1 << 4) | (1 << 6), RGA2_SYS_CTRL);
 
        for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
        {