I have a question about IPU registers.
There are four registers named DC Display Configuration 1 Register 0 to 3.
I think it configure display #0-3, however each IPU could support only 2 displays.
I know i.MX6DQ has 2 IPUs, and it could support 4 displays, but it seems 8 display could be supported?
Why there is 4 configuration registers?