On Sun, 2013-01-20 at 23:50 +0100, Daniel Vetter wrote: > DMAR support on g4x/gm45 integrated gpus seems to be totally busted. > So don't bother, but instead disable it by default to allow distros to > unconditionally enable DMAR support. Acked-By: David Woodhouse <David.Woodhouse@xxxxxxxxx> It *really* winds me up that we never bother to test this hardware before we ship it. But I'm even *more* disappointed that we can't even diagnose it and publish coherent errata *after* the fact. I'd really like to see each quirk which disables features referencing a specific published erratum. We really ought to be able to manage at least *that* much. Rajesh? -- dwmw2
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