Current support and roadmap for discrete graphics card hot switching

Albert Vilella avilella at gmail.com
Thu Jan 15 08:20:32 PST 2009


now the question is:

leaving Nvidia and the downstream problems aside, how difficult would it be
to convince ATI/AMD to provide such kind of documentation?
Anyone insider here that can answer?

On Thu, Jan 15, 2009 at 2:34 PM, Daniel Stone <daniel at fooishbar.org> wrote:

> On Thu, Jan 15, 2009 at 02:13:45PM +0000, Alan Cox wrote:
> > > Right, which reduces it to a simple power management issue akin to
> > > powering down the 3D core on any modern chipset when you're not doing
> > > any rendering.
> > >
> > > Adding different devices with separate drivers is another matter
> > > altogether.
> >
> > Isn't dual driver support logically equivalent to xrandr mirrored to both
> > with either one or the other currently a 'switched away' vt ?
>
> Yes, which we don't really handle well now.
>
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