On Friday, October 26, 2007 1:02 am Michel D=C3=A4nzer wrote:
> On Thu, 2007-10-25 at 11:18 -0700, Jesse Barnes wrote:
> > The vblank-rework tree has been sitting around with ported radeon
> > and i915 drivers for some time now,
> ... except i915 still doesn't increment the counters at the beginning
> of the vertical blank period but only at the end of it, which doesn't
> provide the expected behaviour.
Yeah I keep meaning to fix that but haven't yet...
> > but users aren't seeing the power saving benefits because it hasn't
> > been merged upstream yet.
> > Several drivers still need to be ported, but I don't have the test
> > hardware:
> > mach64 (?)
> > mga
> > r128
> > via
> > The porting is straightforward and the wins are immediate in terms
> > of reduced power consumption (assuming your CPU has a power saving
> > idle mode of some sort).
> I think we should just make sure these compile and work as well or
> badly as they did before and merge it. The waiting time for all of
> these to actually use the new features is probably an approximation
> of infinity...
I guess I was hoping for full featured ports, but I think you're right. =20
I may as well just do the simple port first so we can get it merged. =20
Then if anyone has interest, they can switch to a better scheme.