[ltp] Radeon: hot-swap VGA-out monitor

[Mario Theodoridis]

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i've had this setup on a t42p.
I found the trick to be to specify monitor settings and not let them be
auto detected. Xorg.conf attached.

This was using it with my old Viewsonic GS815 on xorg 6.8. It also worked
well with projectors.


mario;>



So, Andrey Kislyuk wrote:
> Monitor hotplug is in Xorg 7.3, which was released today. All you have
> to do is wait for it to hit your distribution.
>
> Christopher Singley wrote:
>> I have a Thinkpad R51 with an ATI Radeon 250 graphics card.  The card
>> has a  VGA out port, and I like to run in dual-head configuration
>> (external monitor  attached) using the MergedFB options of the Radeon
>> X driver.
>>
>> This generally works well; however I'd like to be able to hot-swap
>> monitors &  toggle at will between single-head & dual-head
>> configuration.
>>
>> Using the radeon driver's "MergedFBAuto" option works to allow X to
>> autodetect  single/dual-head configuration when it starts up.  If it
>> starts up in  dual-head mode, setting "MetaModes" like
>> "1024x768-1024x768 1024x768"  additionally allows me to use xrandr to
>> dynamically switch back & forth  between single/dual-head when I
>> plug/unplug the external monitor.
>>
>> However, if no external monitor is detected when X starts up, I don't
>> know how  to force a configuration so that when I subsequently plug in
>> an external  monitor, I can switch over to dual-head configuration on
>> the fly without  restarting X.
>>
>> I imagine this must be a feature desired by many people other than
>> just me.   Can anyone give me a hint how to set this up?
>>
>> Thanks,
>> cs
>>
> --
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad



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