On Mon, 2015-06-15 at 15:15 +0200, Daniel Vetter wrote:
> On Sun, Jun 07, 2015 at 06:32:23PM +0530, [email protected] wrote:
> > From: Akash Goel <[email protected]>
> >
> > Corrected the platform checks in i915_ring_freq_table debugfs function
> > so as to allow the read of ring frequency table for BDW and disallow for VLV
> >
> > Issue: VIZ-5144
> > Signed-off-by: Akash Goel <[email protected]>
> > ---
> > drivers/gpu/drm/i915/i915_debugfs.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
> > b/drivers/gpu/drm/i915/i915_debugfs.c
> > index 47636f3..1c83596 100644
> > --- a/drivers/gpu/drm/i915/i915_debugfs.c
> > +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> > @@ -1779,7 +1779,8 @@ static int i915_ring_freq_table(struct seq_file *m,
> > void *unused)
> > int ret = 0;
> > int gpu_freq, ia_freq;
> >
> > - if (!(IS_GEN6(dev) || IS_GEN7(dev))) {
> > + if (!(IS_GEN6(dev) || (IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) ||
> > + IS_BROADWELL(dev))) {
>
> This is really hard to read with the double negation. What about
>
> if (gen < 6 || IS_VLV(dev))
> /* not supported */
>
> instaed? Presuming I decoded this correctly ...
Yes this way also it is fine. Will make this change.
Accordingly the next patch will also change, like this
if (gen < 6 || IS_VLV(dev) || IS_BROXTON(dev))
/* not supported */
Best regards
Akash
> -Daniel
> > seq_puts(m, "unsupported on this chipset\n");
> > return 0;
> > }
> > --
> > 1.9.2
> >
> > _______________________________________________
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> > [email protected]
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
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