[U-Boot] [PATCH v2 21/28] rockchip: video: Take the vop device out of standby
Simon Glass
sjg at chromium.org
Wed May 31 23:57:29 UTC 2017
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 at chromium.org>
---
Changes in v2: None
drivers/video/rockchip/rk_vop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index b9b0b296ca..d970aae524 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -104,6 +104,9 @@ void rkvop_mode_set(struct rk3288_vop *regs,
uint flags;
int mode_flags;
+ /* remove from standby */
+ rk_clrreg(®s->sys_ctrl, V_STANDBY_EN(1));
+
switch (mode) {
case VOP_MODE_HDMI:
clrsetbits_le32(®s->sys_ctrl, M_ALL_OUT_EN,
--
2.13.0.219.gdb65acc882-goog
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