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Commit 1f76249c authored by Chris Wilson's avatar Chris Wilson Committed by Joerg Roedel
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iommu/vt-d: Declare Broadwell igfx dmar support snafu

Despite the widespread and complete failure of Broadwell integrated
graphics when DMAR is enabled, known over the years, we have never been
able to root cause the issue. Instead, we let the failure undermine our
confidence in the iommu system itself when we should be pushing for it to
be always enabled. Quirk away Broadwell and remove the rotten apple.

References: https://bugs.freedesktop.org/show_bug.cgi?id=89360


Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Martin Peres <martin.peres@linux.intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Reviewed-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent fd730007
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