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| author |   Lu Baolu <baolu.lu@linux.intel.com> | 2018-07-08 14:23:21 +0800 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2018-07-20 13:55:56 +0200 |
| commit | 2db1581e1f432ac6b4efe152c57fdfb4de85c154 (patch) | |
| tree | d7aa82dfc20fbca20f96c5fc8c4ff35b74523af3 /include/linux/intel-iommu.h | |
| parent | Linux 4.18-rc5 (diff) | |
| download | wireguard-linux-2db1581e1f432ac6b4efe152c57fdfb4de85c154.tar.xz wireguard-linux-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/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 1 |
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) |