2015-02-26 12:16 GMT-03:00 <deepak.s@xxxxxxxxxxxxxxx>: > From: Deepak S <deepak.s@xxxxxxxxxxxxxxx> > > After feedback from the hardware team we are changing the RC6 > promotional timer to increase the power saving without > changing performance. I can't really say whether this is really what we want since I didn't do any measurements, but the patch seems to do what it says, so: Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > Signed-off-by: Deepak S <deepak.s@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_pm.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 7dcb5b6..90cb6c9 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -4799,8 +4799,8 @@ static void cherryview_enable_rps(struct drm_device *dev) > I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10); > I915_WRITE(GEN6_RC_SLEEP, 0); > > - /* TO threshold set to 1750 us ( 0x557 * 1.28 us) */ > - I915_WRITE(GEN6_RC6_THRESHOLD, 0x557); > + /* TO threshold set to 500 us ( 0x186 * 1.28 us) */ > + I915_WRITE(GEN6_RC6_THRESHOLD, 0x186); > > /* allows RC6 residency counter to work */ > I915_WRITE(VLV_COUNTER_CONTROL, > -- > 1.9.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Paulo Zanoni _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
