Mythtv playing way to fast using DRM VBlank ioctl

[Alex Deucher]

On 30 Mar 2006 15:19:40 -0500, Greg Stark <gsstark at mit.edu> wrote:
> "Alex Deucher" <alexdeucher at gmail.com> writes:
>
> > On 30 Mar 2006 11:58:59 -0500, Greg Stark <gsstark at mit.edu> wrote:
> > >
> > > I'm still having trouble getting mythtv running displaying on my R350 Radeon.
> > > I've defeated the bogus mergedfb dot clocks with an LD_PRELOAD hack but now I
> > > have a new problem.
> >
> > Once again if you are using mergedfb the drm vblank won't work for you
> > on crtc2 since it only applies to the first crtc.  AFAIK, there's no
> > drm support for vblank on crtc2.
>
> It's sounding like my life would be much simpler if I could just get dual head
> working. But it doesn't work on the stock drivers where only one output gets a
> signal.
>
> So I just tried the March 30 snapshot and neither monitor gets a signal. Plus
> as a bonus when I go back to merged frame Xv no longer works properly either.
>

can you post your log?  does setting the monitorlayout option help? 
how about disabling the dri?  are you using radeonfb?

Alex

> Should I just start binary searching over the snapshots to find one that
> works? Is there anyone else out there with an RV350 card in dual monitor
> mode that can point me to a working snapshot?
>
> --
> greg
>
>