Bug#481361: xserver-xorg-video-ati: No display on DVI output
- To: Francois Gouget <fgouget@free.fr>, 481361@bugs.debian.org
- Subject: Bug#481361: xserver-xorg-video-ati: No display on DVI output
- From: Brice Goglin <Brice.Goglin@ens-lyon.org>
- Date: Sat, 13 Mar 2010 15:37:55 +0100
- Message-id: <[🔎] 20100313143755.GA10242@loulous.org>
- Reply-to: Brice Goglin <Brice.Goglin@ens-lyon.org>, 481361@bugs.debian.org
- In-reply-to: <a728f9f90812160959m75d57697ne3dae1b70e0d9fcb@mail.gmail.com>
- References: <20080515142157.18701.35396.reportbug@amboise.dolphin> <a728f9f90805160557meaf39b6mfaed184918ba8af7@mail.gmail.com> <alpine.DEB.1.10.0812151558480.17633@amboise.dolphin> <a728f9f90812150720u212b2798o4a1cf9a24806f56c@mail.gmail.com> <alpine.DEB.1.10.0812161738290.7605@amboise.dolphin> <a728f9f90812160959m75d57697ne3dae1b70e0d9fcb@mail.gmail.com>
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@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
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