Re: iBook and playing DVDs
On Sun, 2002-05-19 at 23:45, Albert D. Cahalan wrote:
>
> >>> Using an interrupt might help there.
> >>
> >> I don't understand this, sorry. :-)
> >
> > The chip could issue an interrupt when the DMA transfer is complete so
> > the CPU could do something useful while it's in progress.
>
> Then you suffer interrupt overhead. You should be able
> to do something useful while you wait, polling when you
> expect the DMA to be about done.
If it was that easy, it would already be done... Doesn't sound like you
are familiar with the situation we're discussing.
--
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member / CS student, Free Software enthusiast
--
To UNSUBSCRIBE, email to debian-powerpc-request@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org
Reply to: