special resolution with xorg
alexdeucher at gmail.com
Tue Jan 31 15:33:54 PST 2006
On 1/31/06, Nic Duerr <nic0n at gmx.net> wrote:
> >>I have a PCG-C1VN PictureBook with a 1024x480 LCD, and the automatic
> >>configuration in Slackware-10.2 set up xorg.conf properly without any
> >>tweaking. On my laptop, the video card was detected as an ATI Rage
> >>Mobility P/M, and uses the ati driver. I don't know whether Sony used
> >>different video chipsets in other PictureBooks.
> >Actually, it sounds like Sony's panel isn't responding to EDID requests, or
> >that Neomagic chip doesn't support EDID, or the driver for that chip doesn't
> >support it... which means Xorg can't autodetect useful information, and
> >doesn't know the panel supports 1024x480.
> The 'EDID' keyword is already a nice hint, thanks.
> I'll try tomorrow to get this read-edid program I just found running and
> see what it says.
> Is there any known way to override these settings and force xorg to use
> a resolution it would normally discard?
Looking at the driver there is code to handle the 1024x480 mode,
however, I'm not sure what's needed to enable it offhand.
Unfortunately neomagic is a pretty old driver and not too many people
use it anymore.
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