Bringing up xf86-video-intel 2.2.1 without a monitor connected

[Barry Scott]

Simon Farnsworth wrote:
> Hello,
>
> We've recently upgraded to the 2.2.1 version of the intel driver (from 
> git b31bef1a8effa9acb6de7edd206b9d8c48d88144), and now find that we 
> must plug a monitor into our systems in order to get them to start X.
>
> I can't see any changes in the code that would cause this, although 
> there has been quite a lot of churn in that area.
>
> Adding a modeline hasn't helped; I've attached my config file and 
> Xorg.log in the hope that someone knows what I need to do to fix things.
> ------------------------------------------------------------------------
>
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This is a regression from the earlier Intel driver behaviour that is 
very important to us.
Our user often power up before connecting VGA cables.

We are happy to develop a patch to fix this regression. But would 
appreciate being
pointed in the right general area.

Barry