[ltp] T42 DVI xorg 7.0

[Aidan Marks]

inline.

On 16/02/06 01:29 AEST, Alex Deucher wrote:

> On 2/14/06, Aidan Marks <aidan@cisco.com> wrote:
>> Hi,
>>
>> T42 running gentoo with radeon 7500 mobility under xorg 7.  I want to
>> simply have cloned 1024x768 on the T42 LCD + DVI on the port replicator.
>>  Ext LCD is an NEC 2080UX+.
>>
>> I thought the correct layout was:
>>
>> Option "MonitorLayout" "LVDS,TMDS"
>>
>> however with this line, when X is started, the T42 internal lcd fades
>> slowly from black to white and freezes the box and nothing appears on
>> the ext lcd.  ctrl-alt-backspace does nothing, the box does not respond
>> to pings.
>>
>> However, I can successfully drive the DVI out with:
>>
>> Option "MonitorLayout" "TMDS"
>>
>> which leaves the T42 LCD on.  But this only works when attached to the
>> port replicator with the DVI.  If not, xorg chokes.  Fair enough I guess?
>>
>> I have analog CRT working fine.
>>
>> So why does "LVDS,TMDS" not work and even so, die horribly?
>>
> 
> 
> The xorg radeon driver does not yet support LVDS plus internal TMDS. 
> I have an experimental patch to re-works the entire output/crtc
> mapping stuff, but It still has some problems.  For now you can use
> radeontool and a small hack to get it working:
> 
> hack:
> http://ozlabs.org/~jk/docs/mergefb/

Thank you for the url.  This hack works on mobility 7500.

> 
> radeon output rework:
> http://ozlabs.org/~jk/docs/mergefb/

Did you mean

http://www.botchco.com/alex/xorg/superpatch/

In any case, looking forward to when the radeon rework is clean and ready.

Thanks/Aidan

> 
> Alex
> 
>> Thanks/Aidan