[PATCH 25/36] randr: fixup constrain to work with slave screens.

[Dave Airlie]

On Tue, Jul 3, 2012 at 1:02 AM, Keith Packard <keithp at keithp.com> wrote:
> Adam Jackson <ajax at nwnk.net> writes:
>
>> I'm not sure this makes sense?  The list of slave outputs is the list of
>> outputs from other screens connected to _this_ screen's CRTC list,
>> right?  So _this_ screen's CRTC list is all you need to walk.
>
> Nope, the slave screens keep their own OUTPUTs and CRTCs, there's a
> later patch which lists all of these for RandR requests. I think there's
> a ton more to fix in randr though; lots of places assume that there's
> only one list of crtcs for each screen...

I don't think its that bad, I think I got most of them, once the user has looked
up the crtc XID, you don't care about the screen that often.

Dave.