Mailinglist Archive: radeonhd (311 mails)

["Bridgman, John" <John.Bridgman@xxxxxxx>]

I think this is pretty common. From what I remember the outputs share
things like sync signals. 

-----Original Message-----
From: JoJo jojo [mailto:onetwojojo@xxxxxxxxx] 
Sent: Tuesday, February 19, 2008 1:47 PM
To: Matthias Hopf; radeonhd@xxxxxxxxxxxx
Subject: Re: [radeonhd] HDMI support on 690G

Is this a defect in RS690 or just the ASUS design ?
(are other models by other board manufacturers affected as well ?)

ciao

-JoJo

On Feb 19, 2008 11:41 PM, Matthias Hopf <mhopf@xxxxxxx> wrote:
> On Feb 19, 08 15:14:42 +0100, Patrick Voigt wrote:
> >  I'm trying to get the projector Panasonic PT-AX200E to work on my 
> > Asus M2A-VM-HDMI board using a HDMI connection. I setup up a dual 
> > monitor configuration according to the example given in the wiki. 
> > The other monitor is connected to the board via DVI. So I want to 
> > use to digital outputs simultaneously.  In theory this should work
using this hardware.
> Unfortunately, it will only work in clone mode, always:
>
> > DVI-D_1 disconnected (normal)
> >        RANDR_OUTPUT_NUMBER: 2 (0x00000002)
>
> > DVI-D_2 connected 1280x1024+0+0 (0x47) normal (normal) 376mm x 301mm
> >        RANDR_OUTPUT_NUMBER: 2 (0x00000002)
>
> Connectors with the same output number can only display cloned images.
> This is due to hardware(!) wiring on the boards, the board maker used 
> the same output for different connectors. Bad, ugly. These connectors 
> cannot even be switched on and off independently, and this can result 
> in
> *very* obscure behavior. The RandR model isn't flexible enough to 
> reflect this.
>
> I'm still thinking about misusing the possible_clones field for that, 
> but that would restrict us to having only one cloned-only pair (two in

> some circumstances), and wouldn't allow us to use cloning in all 
> situations where it actually would make sense.
>
> > (WW) RADEONHD(0): RandR: While switching off DVI-D_1: output TMDS B 
> > is also used by DVI-D_2 - ignoring
>
> This line in the log indicates this (hardware) configuration.
>
> Bad luck
>
> Matthias
>
> --
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