On Fri, Jul 11, 2014 at 07:07:33PM +0300, Mika Kuoppala wrote:
> deepak.s@xxxxxxxxxxxxxxx writes:
>
> > From: Deepak S <deepak.s@xxxxxxxxxxxxxxx>
> >
> > This is useful for userspace utilities to verify and micromanaging
> > the increase/decrease frequncy.
> >
> > v2: Use vlv_gpu_freq to get freq (Deepak)
> >
> > Signed-off-by: Deepak S <deepak.s@xxxxxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_pm.c | 15 +++++++++++++++
> > 1 file changed, 15 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > index 3fb65e9..225b6cb 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -3809,6 +3809,16 @@ static int cherryview_rps_rpe_freq(struct drm_i915_private *dev_priv)
> > return rpe;
> > }
> >
> > +int cherryview_rps_guar_freq(struct drm_i915_private *dev_priv)
> ^^static
> Daniel said he will add it, missing in other patches too.
>
> Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Ok, I've stitched it together and merged to dinq, thanks.
-Daniel
>
> > +{
> > + u32 val, rp1;
> > +
> > + val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
> > + rp1 = (val >> PUNIT_GPU_STATUS_MAX_FREQ_SHIFT) & PUNIT_GPU_STATUS_MAX_FREQ_MASK;
> > +
> > + return rp1;
> > +}
> > +
> > int cherryview_rps_min_freq(struct drm_i915_private *dev_priv)
> > {
> > u32 val, rpn;
> > @@ -4010,6 +4020,11 @@ static void cherryview_init_gt_powersave(struct drm_device *dev)
> > vlv_gpu_freq(dev_priv, dev_priv->rps.efficient_freq),
> > dev_priv->rps.efficient_freq);
> >
> > + dev_priv->rps.rp1_freq = cherryview_rps_guar_freq(dev_priv);
> > + DRM_DEBUG_DRIVER("RP1(Guar) GPU freq: %d MHz (%u)\n",
> > + vlv_gpu_freq(dev_priv, dev_priv->rps.rp1_freq),
> > + dev_priv->rps.rp1_freq);
> > +
> > dev_priv->rps.min_freq = cherryview_rps_min_freq(dev_priv);
> > DRM_DEBUG_DRIVER("min GPU freq: %d MHz (%u)\n",
> > vlv_gpu_freq(dev_priv, dev_priv->rps.min_freq),
> > --
> > 1.9.1
> >
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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