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authorLu Baolu <baolu.lu@linux.intel.com>2018-07-08 14:23:21 +0800
committerJoerg Roedel <jroedel@suse.de>2018-07-20 13:55:56 +0200
commit2db1581e1f432ac6b4efe152c57fdfb4de85c154 (patch)
treed7aa82dfc20fbca20f96c5fc8c4ff35b74523af3 /include
parentLinux 4.18-rc5 (diff)
downloadlinux-dev-2db1581e1f432ac6b4efe152c57fdfb4de85c154.tar.xz
linux-dev-2db1581e1f432ac6b4efe152c57fdfb4de85c154.zip
Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices"
This reverts commit ab96746aaa344fb720a198245a837e266fad3b62. The commit ab96746aaa34 ("iommu/vt-d: Clean up pasid quirk for pre-production devices") triggers ECS mode on some platforms which have broken ECS support. As the result, graphic device will be inoperable on boot. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107017 Cc: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/intel-iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 1df940196ab2..ef169d67df92 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -121,6 +121,7 @@
#define ecap_srs(e) ((e >> 31) & 0x1)
#define ecap_ers(e) ((e >> 30) & 0x1)
#define ecap_prs(e) ((e >> 29) & 0x1)
+#define ecap_broken_pasid(e) ((e >> 28) & 0x1)
#define ecap_dis(e) ((e >> 27) & 0x1)
#define ecap_nest(e) ((e >> 26) & 0x1)
#define ecap_mts(e) ((e >> 25) & 0x1)