Re: kms in defconfig

[Jesse Barnes]

On Tue, 28 Apr 2009 09:32:22 +0200
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Tue, 2009-04-28 at 11:54 +1000, Dave Airlie wrote:
> > On Tue, Apr 28, 2009 at 1:40 AM, Peter Zijlstra
> > <peterz@xxxxxxxxxxxxx> wrote:
> > > On Mon, 2009-04-27 at 10:39 +0200, Ingo Molnar wrote:
> > >> * Dave Airlie <airlied@xxxxxxxxx> wrote:
> > >>
> > >> > Hi guys,
> > >> >
> > >> > I just noticed CONFIG_DRM_I915_KMS is enabled for x86-64.
> > >> >
> > >> > This should never be the case, as anyone who built defconfig
> > >> > kernels before, will now get KMS enabled when really they need
> > >> > to have done userspace upgrades.
> > >>
> > >> I've yet to see such a bugreport.
> > >
> > > Whenever I accidentally enable KMS I get a dead X (happens way
> > > more often that I'd like to), I blame this on the ubuntu Xorg
> > > packages, but can't be arsed to fix it myself -- hopefully the
> > > kinky koala will fix stuff, but who knows.
> > 
> > Well you can't really blame anyone else for it, since you have to
> > put the code upstream
> > in the kernel before you can release drivers that use it for
> > distros to package.
> > 
> > So it would be impossible for any distro to have shipped kms
> > drivers in a useful fashion before KMS is actually in the kernel.
> 
> Can't the driver detect KMS and use it when present? In that case they
> could just ship a KMS capable driver that works either way.
> 
> Anyway, I'm sure it'll all sort itself out.

Yeah Jaunty has such drivers, but Intrepid released with 2.4.x
xf86-video-intel drivers I think, which doesn't have autodetection.

-- 
Jesse Barnes, Intel Open Source Technology Center
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