DVI output not visible on LCD with DVI, VGA output works -- (MergedFB on Ubuntu Edgy, Powerbook G4 ATI radeon 9600 M10)

Alex Deucher alexdeucher at gmail.com
Thu Jan 4 08:31:23 PST 2007

On 1/4/07, Martin Langhoff <martin.langhoff at gmail.com> wrote:
> On 1/4/07, Martin Langhoff <martin.langhoff at gmail.com> wrote:
> > Upon restart neither the monitor won't take VGA or DVI signal from the
> > DVI connector. On CVI. the monitor thinks it doesn't have signal (and
> > announces so). On VGA, it acts as it has signal, entering the
> > on-screen-display menu shows resolution & refresh rates, but the image
> > stays black.
> I noticed git had a few newer commits, specially Roland's "fix
> uninitialized mode regs (bug 9495)" so I updated my brach, rebuilt and
> did a full restart to give the bios a chance to write something to the
> registers.., as 9506f7015a1e442f4ca0bd3bfae555ec7e8a5f37 seems to
> imply needs happening.
> And still no go -- DVI dead dead, VGA with a signal full of black, black pixels.
> off to sleep now!

try again after a fresh reboot.  Also if you are using LVDS and TMDS
(DVI), make sure you set your monitorlayout option to LVDS, TMDS as we
don't currently detect that combo properly yet.  Can you post your log
and config somewhere?


> martin

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