Re: Radeon fb troubles
On Tue, 2005-04-12 at 18:43 +0200, Paul van Tilburg wrote:
> Hi all,
>
> Since a few days I'm experiencing some troubles with the Radeon FB on my
> TiBook IV (PowerBook3,5). When I boot (Debian's 2.6.10-powerpc or
> 2.6.11-powerpc, doesn't amtter) I sometimes get two white bars of 20
> pixels high (one halfway, one at the bottom) that color slowly towards purple/black
> after the Radeon FB is initialized by the kernel. Also Xorg
> doesn't work, it's completely black. Using `fblevel 20' or something makes
> the screen show (rather nice) color flows of white purple and black.
>
> The first time I had this, I thought it was a glitch, and several
> reboots seems to remedy the problem, but now, I can't a normal working
> display working. I have booted with video=ofonly (actually
> video=radeonfb video=ofonyl, since the first video entry is hardcoded in
> my yaboot.conf) and that works... but since I can't adjust the
> brightness and stuff this is not exactly ideal.
>
> I've used OS X a few days ago, maybe it changed something in the
> firmware... from dmesg I can't see anything different from other
> Powerbook outputs and since I don't see a thing, it's hard to find the
> problem and I have no idea where to start...
> Any ideas/hints/pointers?
>
This is weird. I have the same model and no problem at all ... can you
send me the dmesg log when the problem occurs ? Also, what if you use
fblevel 0 to bring it down, then fblevel 15 to bring it back up (15 is
the max value). Does it help ?
Ben.
Reply to: