projects
/
platform
/
kernel
/
linux-rpi.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
a8d4a37
)
iommu/amd: X2apic mode: re-enable after resume
author
Maxim Levitsky
<mlevitsk@redhat.com>
Tue, 23 Nov 2021 16:10:35 +0000
(18:10 +0200)
committer
Joerg Roedel
<jroedel@suse.de>
Fri, 17 Dec 2021 08:20:43 +0000
(09:20 +0100)
Otherwise it is guaranteed to not work after the resume...
Fixes:
66929812955bb
("iommu/amd: Add support for X2APIC IOMMU interrupts")
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Link:
https://lore.kernel.org/r/20211123161038.48009-3-mlevitsk@redhat.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/amd/init.c
patch
|
blob
|
history
diff --git
a/drivers/iommu/amd/init.c
b/drivers/iommu/amd/init.c
index
8dae85f
..
b905604
100644
(file)
--- a/
drivers/iommu/amd/init.c
+++ b/
drivers/iommu/amd/init.c
@@
-2172,7
+2172,6
@@
static int iommu_setup_intcapxt(struct amd_iommu *iommu)
return ret;
}
- iommu_feature_enable(iommu, CONTROL_INTCAPXT_EN);
return 0;
}
@@
-2195,6
+2194,10
@@
static int iommu_init_irq(struct amd_iommu *iommu)
iommu->int_enabled = true;
enable_faults:
+
+ if (amd_iommu_xt_mode == IRQ_REMAP_X2APIC_MODE)
+ iommu_feature_enable(iommu, CONTROL_INTCAPXT_EN);
+
iommu_feature_enable(iommu, CONTROL_EVT_INT_EN);
if (iommu->ppr_log != NULL)