[Libdlo] libdlo dynamic modeset

[Tim Green]

2009/6/15 Florian Echtler <floe at butterbrot.org>:
> many thanks, this is very interesting. Just out of curiosity, I have one
> question about this comment:
>
> * LFSR isn't actually in the mode registers for encryption purposes
> * (which is why it doesn't apply to all registers). It's actually
> * for convenience on the hardware side, as the registers are used as counters
>
> Can you explain a bit more what the connection between LFSRs and counters
> is in this case? I don't really get it at the moment..

http://en.wikipedia.org/wiki/Linear_feedback_shift_register

"LFSR counters have simpler feedback logic than natural binary
counters or Gray code counters, and therefore can operate at higher
clock rates."

Hope that helps,
Tim.