MOBILITY RADEON X700 && Option "MonitorLayout" "LVDS, CRT"

[Alex Deucher]

On 5/18/07, Matthias Apitz <m.apitz at oclcpica.org> wrote:
>
> Hello,
>
> I run since some monthes the above chip (ChipID is 0x5653) with
> Xorg 6.8.2 (in FreeBSD 6.0R), to make it work I had to insert
>
>         Option      "MonitorLayout" "LVDS, CRT"
>
> as also stated in
> http://lists.freedesktop.org/archives/xorg/2005-October/010517.html
>
> Yesterday I've updated the laptop to FreeBSD 6.2R wich brings
> Xorg 6.9.0 but using the same xorg.conf file did not worked in
> the resolution of 1280x800 anymore, it claimed that it could
> not use 1280x800 because hsync would be out of range. It took
> me a while to understand that this message about 'hsync out
> of range' was about the CRT and not the LVDS. As a wild guess I just
> removed the CRT from the Option as:
>
>         Option      "MonitorLayout" "LVDS"
>
> and it came up with 1280x800.
>
> Any comments on this? Is this a bug or do I understand something
> wrong?
>

6.9.0 is ancient.  You might want to try a newer version of the radeon
driver or better yet, grab the version in git.  The issue of crtc2
limiting crtc1 was fixed a while ago.

Alex