On Tue, Apr 23, 2013 at 02:52:17PM -0300, Rodrigo Vivi wrote: > Display register 42000h bit 22 must be set to 1b for the entire time that > Frame Buffer Compression is enabled. > > Signed-off-by: Rodrigo Vivi <rodrigo.vivi at gmail.com> Reviewed-by: Ville Syrj?l? <ville.syrjala at linux.intel.com> > --- > drivers/gpu/drm/i915/intel_pm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 86a941a..6315627 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -270,6 +270,8 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval) > IVB_DPFC_CTL_FENCE_EN | > intel_crtc->plane << IVB_DPFC_CTL_PLANE_SHIFT); > > + /* WaFbcAsynchFlipDisableFbcQueue */ > + I915_WRITE(ILK_DISPLAY_CHICKEN1, ILK_FBCQ_DIS); > I915_WRITE(SNB_DPFC_CTL_SA, > SNB_CPU_FENCE_ENABLE | obj->fence_reg); > I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y); > -- > 1.8.1.4 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrj?l? Intel OTC