Mailinglist Archive: radeonhd (436 mails)

["Alex Deucher" <alexdeucher@xxxxxxxxx>]

On Mon, Jul 21, 2008 at 6:07 PM, Sven Lankes <sven@xxxxxxx> wrote:
> On Mon, Jul 21, 2008 at 11:53:01PM +0200, Luc Verhaegen wrote:
>
> > > This looks like TMDSA load detection not working.
> > > Luc, can you look into this when you find the time?
>
> > You will find that, when you run rhd_conntest, the monitor only at
> > certain times puts loads on the digital lines. We have seen the same
> > problem with some other monitors...
>
> This is a Dell 24" - pretty common I'd say.
>
> > So it is a problem with not the TMDSA load detection, but with the
> > monitor attached to it, and a suitable strategy still needs to be
> > proposed here.
>
> Pardon my ignorance but how does the radeon-driver handle this?

radeon uses ddc to detect the presence of a monitor, and then (for
DACs at least) falls back to load detection if ddc fails.

Alex
-- 
To unsubscribe, e-mail: radeonhd+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: radeonhd+help@xxxxxxxxxxxx