Em Sex, 2015-09-04 às 09:53 +0300, Mika Kuoppala escreveu:
> Paulo Zanoni writes:
>
> > The unclaimed register bit is only triggered when someone touches
> > the
> > specified register range.
> >
>
> I got the impression that we get the unclaimed access also
> for
On Fri, Sep 04, 2015 at 01:38:07PM +, Zanoni, Paulo R wrote:
> Em Sex, 2015-09-04 às 09:53 +0300, Mika Kuoppala escreveu:
> > Paulo Zanoni writes:
> >
> > > The unclaimed register bit is only triggered when someone touches
> > > the
> > > specified register range.
Paulo Zanoni writes:
> The unclaimed register bit is only triggered when someone touches the
> specified register range.
>
I got the impression that we get the unclaimed access also
for other ranges, if they are powered down during access?
-Mika
> For the normal use
The unclaimed register bit is only triggered when someone touches the
specified register range.
For the normal use case (with i915.mmio_debug=0), this commit will
avoid the extra __raw_i915_read32() call for every register outside
the specified range, at the expense of a few additional "if"