linux-kernel - Re: [patch 0/5] Intel Poulsbo/Morrestown DRM driver and DRM core changes

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Date:	Fri, 20 Mar 2009 08:50:10 -0700
From:	Greg KH <greg@...ah.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Daniel Stone <daniel@...ishbar.org>,
	Sindhudweep Sarkar <sindhudweep.sarkar@...il.com>,
	David Airlie <airlied@...ux.ie>,
	Thomas Hellstrom <thellstrom@...are.com>,
	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	Richard Purdie <rpurdie@...ux.intel.com>
Subject: Re: [patch 0/5] Intel Poulsbo/Morrestown DRM driver and DRM core
	changes

On Fri, Mar 20, 2009 at 03:00:32PM +0000, Alan Cox wrote:
> > > By the same logic, would you support including the proprietary NVIDIA
> > > driver while we wait for Nouveau to catch up?
> > 
> > The license of the NVIDIA driver does not allow that to even be a
> > possibility.
> 
> I'm not convinced this is any different. If you accept the 3D changes you
> step into a dangerous world of estoppel and since it has many
> rightsholders also the wonderful world of contributory infringement. It
> really really needs lawyers to look into it.

I would hope that Intel's lawyers would have done such a thing before
releasing the kernel and xorg code under the licenses that they did :)

> Now the other way to do it that might be more productive and simpler
> would be to rip all the 3D crap out of that driver and just include the
> minimum needed 2D bits for the open source X driver. Makes the code
> smaller and cleaner, avoids an legal questions and lets people get on
> with real work.

Hm, that sounds fine to me.

Does that mean that all of these drm patches that I posted are _only_
needed for the 3d portions of the driver?  If I rip out the portions of
the psb kernel driver that need these changes, do I end up with an
working 2d driver as well?  Richard and Thomas, any thoughts here?

thanks,

greg k-h
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