[RFC] Randr 1.3 feature - get property

[Jesse Barnes]

On Thursday, March 06, 2008 11:44 am Adam Jackson wrote:
> On Tue, 2008-03-04 at 17:19 -0800, Jesse Barnes wrote:
> > Right now, the Randr core code will just return the current (cached)
> > property value when a get property request comes in.  This is fine in
> > many cases, but fails in others, for example when fetching backlight
> > brightness after some other agent has changed its value.
> >
> > This patch adds the core server code to call back to a driver's
> > get_property routine, which should update the property, which the Randr
> > core will then return.
> >
> > I haven't implemented the i830_lvds.c portion of this, but it should be
> > trivial.
> >
> > Any thoughts?  Am I on the right track here?
>
> Please.  Put a major version number at the start of the output function
> pointer rec, and append new functions at the end.  Give the server
> _some_ chance to be ABI compatible.

Oh, and here's one that actually works.  Turns out the server bits weren't 
actually wired up yet, so I was modifying a function that was never called.

I think it's ok at this point and it works with the Intel driver, so unless 
there are objections I'll go ahead and push it.

Jesse
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