xrandr does not work properly with radeon driver

[Alex Deucher]

On 3/18/09, 王强 <cnwesleywang at gmail.com> wrote:
> Hi all:
>
>       I am using Ubuntu 9.04 and a laptop of Thinkpad T60 with Mobility
> Radeon X1300. I found that for some kind of monitor, when I connect an
> external monitor and run xrandr --auto,nothing happen.
>
> What I do is:
>
> disconnect external monitor, reboot the system(check Xorg.0.afterboot), run
> xrandr --verbose (check xrandr.afterboot). Then I connect external monitor
> to the CRT port(check Xorg.0.after_connect_crt), and run xrandr --verbose
> again(check xrandr.after_connect_crt), it says VGA disconnected.
>
> then I run xrandr --auto(check Xorg.0.after_call_xrandr_auto and
> xrandr.after_call_xrandr_auto), nothing happen.
>
> This seems only happen on old CRT monitor, if I plug another external LCD
> monitor,everything works fine(check Xorg.0.log.new_monitor* and
> xrandr.newmoitor*).

the old monitor probably doesn't provide ddc.  I've fixed load
detection in git so it should work now.

Alex