mergedfb refresh rates

[Dave Airlie]

> what would the metamodes be for this scenario?  The driver used to do
> generate random unique numbers to try and keep each metamode unique.
> However, this led to negative refresh rates in some situations which
> caused problems with some utilities.  Henry committed a fix to keep
> the numbers positive, but I suspect that may be what's causing the
> problem now.  Either that or some new interaction with the randr1.2
> code in the server.

I suspect it is due to the new compat randr code in the server which
seems to work out the refresh rate itself.. I'm not sure if the old
randr1.0 used to this or just passed through the refresh rate from the
driver..

Perhaps keithp can enlighten us?

Dave.