Re: [PATCH 11/12] drm/i915: Extend GET_APERTURE ioctl to report available map space

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On Fri, Apr 29, 2016 at 11:06:49AM +0100, Tvrtko Ursulin wrote:
> I don't get it - if we are adding something why not add it in a way
> that makes it clear and self-contained - what is the downside of
> what I propose to meet such resistance?

You're suggesting to add a field I'm not going to use. Is any one?
Until there is an actual use (which would afaict be if one of the
existing values changed meaning, which itself would be an abi break) I'm
not convinced we should be designing for the unknowable. If we did need
to version would we not be better off with a new ioctl? 
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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