X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=OvmfPkg%2FVirtioPciDeviceDxe%2FVirtioPciDevice.c;h=8aae58e8b482e8c735c9020c7c14387bf226cf93;hb=78ef454b8c6108d330e066653039ad824cc041f1;hp=bc4f6fe8bfa3a55cb22a17e596a2a656fe55090d;hpb=694673c9108f22dd7da66e6ce2c118c929f110dd;p=mirror_edk2.git

diff --git a/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c b/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c
index bc4f6fe8bf..8aae58e8b4 100644
--- a/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c
+++ b/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c
@@ -458,9 +458,13 @@ VirtioPciDeviceBindingStart (
     goto ClosePciIo;
   }
 
-  Status = Device->PciIo->Attributes (Device->PciIo,
-                         EfiPciIoAttributeOperationEnable,
-                         EFI_PCI_IO_ATTRIBUTE_IO, NULL);
+  Status = Device->PciIo->Attributes (
+                            Device->PciIo,
+                            EfiPciIoAttributeOperationEnable,
+                            (EFI_PCI_IO_ATTRIBUTE_IO |
+                             EFI_PCI_IO_ATTRIBUTE_BUS_MASTER),
+                            NULL
+                            );
   if (EFI_ERROR (Status)) {
     goto ClosePciIo;
   }