[xserver PULL master] randr fixes + primary GPU fallback

[Adam Jackson]

On Tue, 2016-12-06 at 15:22 +0100, Hans de Goede wrote:
> Hi,
> 
> On Mon Dec 5 16:54:51 UTC 2016, Adam Jackson wrote:
>  > Not a fan of the autobind patch in terms of upstreaming, I feel like we
>  > really should be able to do better.
> 
> We've had years to do better

And? This is seat configuration. It's something the system should tell
us, not something we should guess at. That solves it both for all DEs
and for all display servers.

- ajax