Bug#481361: xserver-xorg-video-ati: No display on DVI output

[Brice Goglin]

On Tue, Dec 16, 2008 at 12:59:42PM -0500, Alex Deucher wrote:
> On Tue, Dec 16, 2008 at 11:43 AM, Francois Gouget <fgouget at free.fr> wrote:
> > On Mon, 15 Dec 2008, Alex Deucher wrote:
> > [...]
> >> Thanks for tracking this down.  Unforunately, the code has changed
> >> significantly since then and it's not clear to me how that would have
> >> affected your card.  Any chance you could send me some reg dumps
> >> between a working system and the non-working system?
> >
> > Sure. There you go:
> >
> >  * working.dump
> >   This was taken with the last good driver.
> >   What is interesting is that doing the dump killed the DVI output...
> >   but not the X driver. So I was able to connect to it using x11vnc.
> >
> >  * working-after.dump
> >   This is what I got when I ran radeontool again, right after the first
> >   run killed the DVI output.
> >
> >  * broken.dump
> >   This one was done after a reboot with the latest driver I tested:
> >   89a8fd53.
> >
> 
> start up X with the broken code and try this:
> ./radeontool regset FP_GEN_CNTL 0x0a430085
> 
> That should bring the display up.

Ping?

Brice