Re: [git pull] drm request 3
From: Dave Airlie
Date: Thu Mar 04 2010 - 18:03:12 EST
On Fri, Mar 5, 2010 at 8:54 AM, Linus Torvalds
> On Thu, 4 Mar 2010, Stephane Marchesin wrote:
>> In short, the "don't break user space interfaces" principle is making
>> user space code quality worse for everyone. And it makes our lives as
>> graphics developers pretty miserable actually
> And _my_ point is that if you did a half-way decent job on versioning, you
> wouldn't be in the crappy situation you are now.
> For chissake, the DRM versioning model is a total disaster. The reason you
> can never ever break user space interfaces is exactly because when you
> break them, X stops working.
Stop aligning DRM versioning with nouveau versioning. This isn't a generic
problem with DRM, we've supported versioning interfaces for years and
have broken them maybe once.
> What I suggested is to _keep_ a working model across different versions,
> so that you can get out of the rat-hole you are in now (and the rat-hole
> you put your users into, and the distributions).
> It's simply _not_ acceptable to tie the X server and the kernel version so
> tightly together as the crazy DRM model does right now. It's not all that
> different from us requiring people to install a new glibc every once in a
> while, just because we added a new filesystem. Everybody understands that
> that would be totally insane.
> Why does the X community not understand simple library versioning?
Its nouveau project not X not DRM, stop generalising the situation.
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