[Intel-gfx] [PATCH] iommu/intel: disable DMAR for Q35 integrated gfx

[David Woodhouse]

On Mon, 2016-12-05 at 13:58 -0800, Kees Cook wrote:
> This blacklists the Q35 integrated graphics so IOMMU can be otherwise
> enabled. Without this, a Q35 system can only enable IOMMU when booting
> with "intel_iommu=on,igfx_off" but not "intel_iommu=on".

Hm, is this definitely the same bug? Or is it something different, and
perhaps a BIOS issue? There are many of those...

-- 
dwmw2
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