radeon driver: checkpoint

Jesse Barnes jbarnes at virtuousgeek.org
Mon Apr 3 09:57:47 PDT 2006

On Monday, April 3, 2006 9:49 am, Benjamin Herrenschmidt wrote:
> > 2. I installed Linux on a disk for this machine in order to be able
> > to run radeontool and get register dumps. The behaviour is the same
> > as under OpenBSD: mergedfb works well with the current
> > ati-1-0-branch driver, but no signal on 2nd head with the
> > traditional 2-screen mode. X.Org 6.8.2 works in this mode (but
> > mergedfb displays garbage).
> BTW. I would rock if you did a BSD port :) I have no idea how to
> access the PCI space on it. Also, the way radeontool currently "finds"
> the PCI card sucks, that needs rewriting. We need to either:
>  - Bolt a list of known PCI IDs in it, and do proper PCI scan using
> libpci on linux based on ID instead of parsing lspci output or
>  - Use the pci IDs database if installed in the OS to know the ID
> I want to port it to libpci on linux but something else will be needed
> for BSD.

Better yet, port Ian's new PCI layer to BSD and make the radeon driver 
use it (it already works on Linux).  One of the reasons he wrote it was 
to address potential licensing conflicts (philosophical or otherwise).


More information about the xorg mailing list