On Wed, 8 Oct 2003, Michel [ISO-8859-1] Dänzer wrote:
> On Tue, 2003-10-07 at 15:02, Vladimir Dergachev wrote:
> > > >
> > > > I would suggest adding more ioctls:
> > > >
> > > > 1. Lock the drm driver against future connections from 3d driver(s).
> > > >
> > > > 2. Return the number of current connections.
> > > >
> > > > 3. Move the aperture - should only succeed when nothing else is connected.
> > > >
> > > > Also, when aperture is moved DRM driver can simply refuse connection to
> > > > older 3d drivers.
> > >
> > > Does the aperture ever (have to) move during the X server life though?
> >
> > I would not care. However, I know that at least Window 98 drivers have
> > default position (0) unless capture is enabled. Also, I suspect that when
> > one calls Video BIOS with framebuffer position anywhere other than 0 the
> > BIOS then toggles the hard reset line.
>
> Why? (CC'ing Hui Yu, who should be able to comment on this)
No idea why it does it.
>
> Would resetting the aperture to the default position on server shutdown
> deal with this adequately?
One would also need to do it each time before video bios is called, or
prevent it from being called when we are in the middle of things.
best
Vladimir Dergachev
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