On Tue, Dec 23, 2014 at 10:35:41AM -0200, Paulo Zanoni wrote: > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > This commit is just to make the intentions explicit: on HSW+ these > bits are MBZ, but since we only support plane A and the macro > evaluates to zero when plane A is the parameter, we're not fixing any > bug. > > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_fbc.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c > index 83d3c8a..c6e688c 100644 > --- a/drivers/gpu/drm/i915/intel_fbc.c > +++ b/drivers/gpu/drm/i915/intel_fbc.c > @@ -258,12 +258,15 @@ static void gen7_fbc_enable(struct drm_crtc *crtc) > struct drm_framebuffer *fb = crtc->primary->fb; > struct drm_i915_gem_object *obj = intel_fb_obj(fb); > struct intel_crtc *intel_crtc = to_intel_crtc(crtc); > - u32 dpfc_ctl; > + u32 dpfc_ctl = 0; > int threshold = dev_priv->fbc.threshold; > > dev_priv->fbc.enabled = true; > > - dpfc_ctl = IVB_DPFC_CTL_PLANE(intel_crtc->plane); > + > + if (IS_IVYBRIDGE(dev)) What about baytrail? -Daniel > + dpfc_ctl |= IVB_DPFC_CTL_PLANE(intel_crtc->plane); > + > if (drm_format_plane_cpp(fb->pixel_format, 0) == 2) > threshold++; > > -- > 2.1.3 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx