l4linux GPU direct access

Adam Lackorzynski adam at os.inf.tu-dresden.de
Thu Jul 19 08:23:38 CEST 2012


On Wed Jul 18, 2012 at 10:51:46 +0200, Abhishek Gupta wrote:
> My final objective is just to get the graphic acceleration working,
> so having the gpu initialized by fbdrv is perfectly fine but I can't find a
> working
> configuration.
> What we have are two configs which work well separately (fbdrv and pci
> direct access)
> but we didn't understand yet how to combine them.
> I can see the log messages from fbdrv of setting the vbe mode in fbdrv
> config(without mag)
> but when I combine fbdrv and pci direct access configs I cannot see any
> message from fbdrv.

What do you mean there's no message from fbdrv? Because the screen is
switching modes, or because there's some issue? Are you using a serial
console to not suffer from that (for kvm/QEMU: -serial stdio)?

Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/

More information about the l4-hackers mailing list