Re: New proposed DRM interface design

Jon Smirl
2004-09-07T14:04:43Z

On Tue, 07 Sep 2004 10:43:17 +0200, Helge Hafting <helge.hafting@hist.no> wrote:
> Jon Smirl wrote:
> >I would also like to fix things so that we can have two logged in
> >users, one on each head. This isn't going to work if one them uses
> >fbdev and keeps swithing the chip to 2D mode while the other user is
> >in 3D mode. The chip needs to stay in 3D mode with the CP running.
> >
> Yes! I use the ruby patch and have two users logged in on the
> two heads of a G550. It works fine - as long as no mode
> change is attempted. And only one user can use 3D (or even 2D),
> the other is stuck with a unaccelerated framebuffer.

There is nothing in the hardware preventing both users from having 3D
displays. This is a problem in the way fbdev and DRM are designed. I
would like to work towards fixing this.

--
Jon Smirl
jonsmirl@gmail.com