On Fri, Jun 13, 2014 at 07:45:50PM +0300, Ville Syrjälä wrote: > On Fri, Jun 13, 2014 at 09:28:33AM -0700, Jesse Barnes wrote: > > Early revs didn't have PPGTT support, so disable there. > > > > v2: add debug msg when disabling on early stepping > > v3: enable on other B3 packages as well (untested) (Ville) > > > > References: https://bugs.freedesktop.org/show_bug.cgi?id=79669 > > References: https://bugs.freedesktop.org/show_bug.cgi?id=79670 > > Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> > > I don't have any affected systems myself, but it did fail for me on > a pre-production part and the evidence from the bugs is strong, so: > > Acked-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Queued for -next, thanks for the patch. -Daniel > > > --- > > drivers/gpu/drm/i915/i915_gem_gtt.c | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c > > index 8b3cde7..7f226fa 100644 > > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c > > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c > > @@ -63,6 +63,12 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) > > } > > #endif > > > > + /* Early VLV doesn't have this */ > > + if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xb) { > > + DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n"); > > + return 0; > > + } > > + > > return HAS_ALIASING_PPGTT(dev) ? 1 : 0; > > } > > > > -- > > 1.7.9.5 > > > > _______________________________________________ > > Intel-gfx mailing list > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > -- > Ville Syrjälä > Intel OTC > _______________________________________________ > 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
