Commit 01b297a4 authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Joerg Roedel
Browse files

iommu/amd: X2apic mode: re-enable after resume 



Otherwise it is guaranteed to not work after the resume...

Fixes: 66929812 ("iommu/amd: Add support for X2APIC IOMMU interrupts")

Signed-off-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20211123161038.48009-3-mlevitsk@redhat.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent a8d4a37d

drivers/iommu/amd/init.c

+4 −1
Original line number Diff line number Diff line
@@ -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)