[ltp] Can't set resolution of second monitor above 1024x758

[Alex Deucher]

On Dec 14, 2007 7:17 AM, Phil Shotton <phil.shotton@psjsolutions.com> wrote:
> T60, ATI Mobile Radeon X1400, using ATI proprietary driver v8.4.33 (the
> latest) in Ubuntu Gutsy. I have twin-head configuration using laptop
> (lvds) and external LCD (crt1), with desktop extending across both.
> Device section looks like:
> Section "Device"
>         Identifier  "aticonfig-Device[0]"
>         Driver      "fglrx"
>         Option      "DesktopSetup" "horizontal"
>         Option      "OverlayOnCRTC2" "0"
>         Option      "VideoOverlay" "on"
>         Option      "OpenGLOverlay" "off"
> EndSection
>
> The external LCD supports DPMS and has max resolution of 1280x1024, but
> try as I might I cannot get it to display in higher than 1024x768 which
> looks crap.
>
> Has anyone got twinhead working at higher than 1024x768 on external?

If you don't need 3D, you can grab the atombios-support branch of the
opensource ati/radeon driver:
http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/log/?h=atombios-support
It has full randr 1.2 support.

Alex