On Wed, Feb 13, 2013 at 09:25:58AM +0000, Chris Wilson wrote: > Whilst IOMMU is enabled for the Intel GPU on Ironlake, it appears that > using WC writes to update the PTE on the GPU fail miserably. The result > looks like the majority of the writes do not land leading to lots of > screen corruption and a hard system hang. New version en route to fix buggy conversion of INTEL_GTT_GEN < 6. -Chris -- Chris Wilson, Intel Open Source Technology Centre
