From: Joerg Roedel <jroedel@suse.de>
Date: Wed, 14 Aug 2019 14:06:06 +0200
Subject: [PATCH 04/11] iommu/amd: Request passthrough mode from IOMMU core
Patch-mainline: v5.4-rc1
Git-commit: cc7c8ad9736b5db994b84cbb1347972d28852d3b
References: bsc#1136039

Get rid of the iommu_pass_through variable and request
passthrough mode via the new iommu core function.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/iommu/amd_iommu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -492,7 +492,7 @@ static int iommu_init_device(struct devi
 	 * invalid address), we ignore the capability for the device so
 	 * it'll be forced to go into translation mode.
 	 */
-	if ((iommu_pass_through || !amd_iommu_force_isolation) &&
+	if ((iommu_default_passthrough() || !amd_iommu_force_isolation) &&
 	    dev_is_pci(dev) && pci_iommuv2_capable(to_pci_dev(dev))) {
 		struct amd_iommu *iommu;
 
@@ -2426,7 +2426,7 @@ static int amd_iommu_add_device(struct d
 
 	BUG_ON(!dev_data);
 
-	if (iommu_pass_through || dev_data->iommu_v2)
+	if (dev_data->iommu_v2)
 		iommu_request_dm_for_dev(dev);
 
 	/* Domains are initialized for this device - have a look what we ended up with */
@@ -3002,7 +3002,7 @@ int __init amd_iommu_init_api(void)
 
 int __init amd_iommu_init_dma_ops(void)
 {
-	swiotlb        = (iommu_pass_through || sme_me_mask) ? 1 : 0;
+	swiotlb        = (iommu_default_passthrough() || sme_me_mask) ? 1 : 0;
 	iommu_detected = 1;
 
 	/*