On Wed, Feb 13, 2013 at 09:31:53AM +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. > > v2: s/</<=/ to preserve the current exclusion of Sandybridge > > Reported-by: Nathan Myers <ncm at cantrip.org> > Bugzilla: https://bugzilla.freedesktop.org/show_bug.cgi?id=60391 > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> > Cc: stable at vger.kernel.org Queued for -next with cc: stable removed, since the regression is only in -next. Thanks for the patch. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
