can't get 1680x1050 with intel-1.9.91

[Timo Aaltonen]

On Fri, 9 Mar 2007, Ross Burton wrote:

> On Fri, 2007-03-09 at 15:25 +0200, Timo Aaltonen wrote:
>>    I'm trying to get a Lenovo ThinkCentre M55 with a Lenovo 22" D221 flatpanel
>> to display the native resolution of 1680x1050, but I only get 1280x800 no
>> matter what I try. I get the same resolution with a Sun 19" flat (1280x1024
>> native) so something funky is going on. This is with xorg-server 1.2.99.901 and
>> xf86-video-intel 1.9.91 built on Ubuntu Feisty (current development
>> version).
>
> Looks like you might have the same problem I have -- the new
> driver/server has trouble reading EDID from the external display.

yep, figured as much..

> My xorg.conf contains this:
>
> Section "Monitor"
>        Identifier "Dell TFT"
>        Modeline "1680x1050" 149.00  1680 1760 1944 2280  1050 1050 1052 1089
> EndSection
>
> Section "Screen"
>        Identifier      "Default Screen"
>        Device          "Intel Corporation Mobile Integrated Graphics Controller"
>        Monitor         "Generic Monitor"
>        Option "monitor-VGA" "Dell TFT"
>        DefaultDepth    24
>        SubSection "Display"
>                Virtual 1680 1050
>        EndSubSection
> EndSection
>
> Which tells the intel driver to add the specified modeline to the list
> of valid modes on the VGA output.  With this I can randr up to 1680x1050
> on the external display if I turn off the local panel.

well, this is not a laptop, so I don't see how to make it work with your 
example.. Besides, does "monitor-VGA" mean vga-output and not DVI?


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