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rockchip: video: Take the vop device out of standby

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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>
This commit is contained in:
Simon Glass
2017-05-31 17:57:29 -06:00
parent f418676e9a
commit 6b5a09aa38
1 changed files with 3 additions and 0 deletions
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3
drivers/video/rockchip/rk_vop.c
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@@ -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 rk_vop_priv *priv = dev_get_priv(dev);
struct rk3288_vop *regs = priv->regs; struct rk3288_vop *regs = priv->regs;
/* remove from standby */
clrbits_le32(&regs->sys_ctrl, V_STANDBY_EN(1));
switch (mode) { switch (mode) {
case VOP_MODE_HDMI: case VOP_MODE_HDMI:
clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN, clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN,