2014-10-30 15:42 GMT-02:00 <ville.syrjala@xxxxxxxxxxxxxxx>: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Looks like a leftover POSTING_READ(GEN8_PCU_IIR) in > cherryview_irq_preinstall() from some earlier age. GEN5_IRQ_RESET() > already does the posting read so this changes nothing, so kill it. Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/i915_irq.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c > index 1ec4ebb..1e4062d 100644 > --- a/drivers/gpu/drm/i915/i915_irq.c > +++ b/drivers/gpu/drm/i915/i915_irq.c > @@ -3188,8 +3188,6 @@ static void cherryview_irq_preinstall(struct drm_device *dev) > > GEN5_IRQ_RESET(GEN8_PCU_); > > - POSTING_READ(GEN8_PCU_IIR); > - > I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK_CHV); > > I915_WRITE(PORT_HOTPLUG_EN, 0); > -- > 2.0.4 > > _______________________________________________ > 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
