starter tips on fixing autodtection for a crusty old driver

Alex Deucher alexdeucher at
Sat Jul 4 10:15:06 PDT 2009

On Sat, Jul 4, 2009 at 6:55 AM, David Gerard<dgerard at> wrote:
> Ye olde ancient Trident driver doesn't autodetect 1024x768 properly -
> it sets the display to 800x600 as the biggest supported mode. Looking
> at the xorg.0.log, it detects the TFT as 1024x768 properly, but thinks
> all 1024x768 modes are out of hsync or vsync range.
> Now, (a) it would be nice to have this autodetect because xorg.conf
> sucks (b) it's a crusty old driver which even I would class as "we
> welcome your patch" rather than any sort of showstopper.
> So. Where would one start on fixing autodetection code for a crusty old driver?

Something like this should do the trick:


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