rockchip: video: Take the vop device out of standby

On reset the standby bit is clear, but if U-Boot is chain-loaded from
another boot loader it may be set. Clear it before starting up video so
that it works correctly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Squashed in 'rockchip: video: fix taking the VOP device out of standby':
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index 9343796..c979049 100644 (file)
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -105,6 +105,9 @@ static void rkvop_enable_output(struct udevice *dev, enum vop_modes mode)
        struct rk_vop_priv *priv = dev_get_priv(dev);
        struct rk3288_vop *regs = priv->regs;
 
+       /* remove from standby */
+       clrbits_le32(&regs->sys_ctrl, V_STANDBY_EN(1));
+
        switch (mode) {
        case VOP_MODE_HDMI:
                clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN,