On Wed, Oct 07, 2015 at 04:28:48PM +0300, Ville Syrjälä wrote:
> On Wed, Oct 07, 2015 at 11:17:46AM +0300, Jani Nikula wrote:
> > Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> > ---
> > drivers/gpu/drm/i915/intel_pm.c | 55
> > +++++++++++++++++------------------------
> > 1 file changed, 22 insertions(+), 33 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c
> > b/drivers/gpu/drm/i915/intel_pm.c
> > index 60d120c472ab..598ee4c8d86e 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -5061,32 +5061,27 @@ static int cherryview_rps_max_freq(struct
> > drm_i915_private *dev_priv)
> > struct drm_device *dev = dev_priv->dev;
> > u32 val, rp0;
> >
> > - if (dev->pdev->revision >= 0x20) {
>
> Yep. C0 is the first production stepping.
>
> Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Applied both patch 1&3 from this series, with gcc appeased on this patch
here.
Thanks, Daniel
>
> > - val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
> > + val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
> >
> > - switch (INTEL_INFO(dev)->eu_total) {
> > - case 8:
> > - /* (2 * 4) config */
> > - rp0 = (val >>
> > FB_GFX_FMAX_AT_VMAX_2SS4EU_FUSE_SHIFT);
> > - break;
> > - case 12:
> > - /* (2 * 6) config */
> > - rp0 = (val >>
> > FB_GFX_FMAX_AT_VMAX_2SS6EU_FUSE_SHIFT);
> > - break;
> > - case 16:
> > - /* (2 * 8) config */
> > - default:
> > - /* Setting (2 * 8) Min RP0 for any other
> > combination */
> > - rp0 = (val >>
> > FB_GFX_FMAX_AT_VMAX_2SS8EU_FUSE_SHIFT);
> > - break;
> > - }
> > - rp0 = (rp0 & FB_GFX_FREQ_FUSE_MASK);
> > - } else {
> > - /* For pre-production hardware */
> > - val = vlv_punit_read(dev_priv, PUNIT_GPU_STATUS_REG);
> > - rp0 = (val >> PUNIT_GPU_STATUS_MAX_FREQ_SHIFT) &
> > - PUNIT_GPU_STATUS_MAX_FREQ_MASK;
> > + switch (INTEL_INFO(dev)->eu_total) {
> > + case 8:
> > + /* (2 * 4) config */
> > + rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS4EU_FUSE_SHIFT);
> > + break;
> > + case 12:
> > + /* (2 * 6) config */
> > + rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS6EU_FUSE_SHIFT);
> > + break;
> > + case 16:
> > + /* (2 * 8) config */
> > + default:
> > + /* Setting (2 * 8) Min RP0 for any other combination */
> > + rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS8EU_FUSE_SHIFT);
> > + break;
> > }
> > +
> > + rp0 = (rp0 & FB_GFX_FREQ_FUSE_MASK);
> > +
> > return rp0;
> > }
> >
> > @@ -5105,15 +5100,9 @@ static int cherryview_rps_guar_freq(struct
> > drm_i915_private *dev_priv)
> > struct drm_device *dev = dev_priv->dev;
> > u32 val, rp1;
> >
> > - if (dev->pdev->revision >= 0x20) {
> > - val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
> > - rp1 = (val & FB_GFX_FREQ_FUSE_MASK);
> > - } else {
> > - /* For pre-production hardware */
> > - 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);
> > - }
> > + val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
> > + rp1 = (val & FB_GFX_FREQ_FUSE_MASK);
> > +
> > return rp1;
> > }
> >
> > --
> > 2.1.4
>
> --
> Ville Syrjälä
> Intel OTC
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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