Radeon jittery post 2.6.35

Anders Eriksson aeriksson at fastmail.fm
Fri Mar 18 01:55:52 PDT 2011

 On 03/16/11 21:09, Anders Eriksson wrote:
>  On 03/15/11 22:46, Alex Deucher wrote:
> >  Try booting with radeon.audio=0 on 2.6.38rc, some TVs have problems
> > with the hdmi packets we send by default.  disabling audio will treat
> > the hdmi like dvi.
> >
> > Alex
> You seem to be on to something there. radeon.audio=0 removes
> what appears to be all of the jitter. I say "appear", because during
> my many test runs today, I've come across moments where my brain
> goes "wasn't what I just noticed on the TV something abnormal?" Both
> in fb mode (post KMS), and in X11. It's definetly improved from useless
> for family use, to perfectly ok though.
I was too early on this one. Yesterday (.38) , and today (38-rc8),
are both jittery in post-KMS fb mode and in X, even though I use

A power cycling of the TV stabilizes it though.

I'd be more than happy to test out any patches or ideas you might have.


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