drm/rockchip: vop: rk3328: fix overlay abnormal
authorMark Yao <mark.yao@rock-chips.com>
Sat, 1 Apr 2017 09:14:16 +0000 (17:14 +0800)
committerHuang, Tao <huangtao@rock-chips.com>
Sat, 1 Apr 2017 10:14:13 +0000 (18:14 +0800)
It's a hardware bug, all window's overlay channel reset
value is same, hardware overlay would be die.

so we must initial difference id for each overlay channel.

Change-Id: Ic0b744b2789a5aff2f6605199e7670cac1ea7214
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

No differences found