On Tue, Sep 22, 2015 at 04:11:48PM -0700, yu....@intel.com wrote: > From: Sagar Arun Kamble <sagar.a.kam...@intel.com> > > Due to flip interrupts GuC stays awake always and GT does not enter > RC6. Do not route those interrupts to GuC for now. Driver won't touch > DE_GUCRMR register and leave it as what default value. > > Signed-off-by: Sagar Arun Kamble <sagar.a.kam...@intel.com> > Signed-off-by: Alex Dai <yu....@intel.com>
Looks good to me. Reviewed-by: Tom O'Rourke <Tom.O'rou...@intel.com> > --- > drivers/gpu/drm/i915/intel_guc_loader.c | 10 ---------- > 1 file changed, 10 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c > b/drivers/gpu/drm/i915/intel_guc_loader.c > index 740bfb3..d513673 100644 > --- a/drivers/gpu/drm/i915/intel_guc_loader.c > +++ b/drivers/gpu/drm/i915/intel_guc_loader.c > @@ -90,9 +90,6 @@ static void direct_interrupts_to_host(struct > drm_i915_private *dev_priv) > for_each_ring(ring, dev_priv, i) > I915_WRITE(RING_MODE_GEN7(ring), irqs); > > - /* tell DE to send nothing to GuC */ > - I915_WRITE(DE_GUCRMR, ~0); > - > /* route all GT interrupts to the host */ > I915_WRITE(GUC_BCS_RCS_IER, 0); > I915_WRITE(GUC_VCS2_VCS1_IER, 0); > @@ -110,13 +107,6 @@ static void direct_interrupts_to_guc(struct > drm_i915_private *dev_priv) > for_each_ring(ring, dev_priv, i) > I915_WRITE(RING_MODE_GEN7(ring), irqs); > > - /* tell DE to send (all) flip_done to GuC */ > - irqs = DERRMR_PIPEA_PRI_FLIP_DONE | DERRMR_PIPEA_SPR_FLIP_DONE | > - DERRMR_PIPEB_PRI_FLIP_DONE | DERRMR_PIPEB_SPR_FLIP_DONE | > - DERRMR_PIPEC_PRI_FLIP_DONE | DERRMR_PIPEC_SPR_FLIP_DONE; > - /* Unmasked bits will cause GuC response message to be sent */ > - I915_WRITE(DE_GUCRMR, ~irqs); > - > /* route USER_INTERRUPT to Host, all others are sent to GuC. */ > irqs = GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT | > GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT; > -- > 1.9.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx