Re: Re (2): Display on IBM ThinkPad A22m
On Wed, 15 Feb 2012, peasthope@shaw.ca wrote:
> root@whiterock:~# grep 1400 /var/log/Xorg.0.log
> (II) R128(0): Panel size: 1400x1050
> (II) R128(0): Not using default mode "1400x1050" (hsync out of range)
> (II) R128(0): Not using default mode "1400x1050" (hsync out of range)
> (II) R128(0): Not using default mode "1400x1050" (hsync out of range)
> (II) R128(0): Not using default mode "1400x1050" (hsync out of range)
>
> Appears to be a bug in r128.
>
> Seems this might help to get a workaround?
>
> root@whiterock:~# gtf 1400 1050 75
>
> # 1400x1050 @ 75.00 Hz (GTF) hsync: 82.20 kHz; pclk: 155.85 MHz
> Modeline "1400x1050_75.00" 155.85 1400 1496 1648 1896 1050 1051 1054 1096 -HSync +Vsync
>
> I chose 75 Hz in ignorance. What refresh rate is sensible?
60Hz or something close to it.
You're more likely to find specific thinkpad A22m help at
http://forum.thinkpads.com/ and the linux-thinkpad ML. I'd expect you'd be
able to actually find out how to fix the EDID data if that's the problem in
the forums, for example.
Although it is more likely that r128 is broken. You might want to contact
upstream and register with them as a X.org driver tester for r128.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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