intel/iommu: force writebuffer-flush quirk on Gen 4 Chipsets
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 21 Jan 2013 18:48:59 +0000 (19:48 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 28 Feb 2013 14:59:03 +0000 (06:59 -0800)
commitdf87bd32f94547ecaa586052a6edeb653294a5b4
tree2be4e85a83c12982aabf5cb3f2ff484af538b3a2
parentbdfb3335569583fd195a3a1a89380d7648a9a85f
intel/iommu: force writebuffer-flush quirk on Gen 4 Chipsets

commit 210561ffd72d00eccf12c0131b8024d5436bae95 upstream.

We already have the quirk entry for the mobile platform, but also
reports on some desktop versions. So be paranoid and set it
everywhere.

References: http://www.mail-archive.com/dri-devel@lists.freedesktop.org/msg33138.html
Reported-and-tested-by: Mihai Moldovan <ionic@ionic.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "Sankaran, Rajesh" <rajesh.sankaran@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/iommu/intel-iommu.c