[linux-dvb] [PATCH 6/6] DVB-PinnSat: Misc cleanup and robustness tweaks

Sigmund Augdal Helberg sigmund at snap.tv
Wed Jan 11 15:16:34 CET 2006


On Wed, 2006-01-11 at 15:07 +0100, Edgar Toernig wrote:
> Sigmund Augdal Helberg wrote:
> >
> > On Mon, 2006-01-09 at 17:54 +0100, Edgar Toernig wrote:
> > > 
> > > Not the fifo-depth is changed (that's not possible in the bt878), the
> > > trigger point at which access to the PCI bus is requested is lowered.
> >
> > I would be very interrested in testing this change. Do you have a script
> > or something that will give quantitative information about whether the
> > change improved the situation or not?
> 
> Well it does improve that situation in so far as the card is unusable
> in my system without these changes.  Without lowering the fifo trigger
> level (but with the other changes) I got it working but occasionally,
> especially when using the USB bus, I still got fifo overflows.  With
> the lowered fifo trigger level that's gone.
Is there some messages I can look for that appear when the fifo
overflows? That I perhaps could count with and without the change?

If you are saying that without these changes your card doesn't work at
all, then that should be a strong argument for keeping card specific
stuff, because I've got quite a few cards working well without these
changes.

Sigmund 
> 
> Ciao, ET.




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