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-rw-r--r--hw/core/machine.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 95dc7c3913..2629515363 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -28,6 +28,8 @@ GlobalProperty hw_compat_3_1[] = {
     { "pcie-root-port", "x-width", "1" },
     { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
     { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
+    { "tpm-crb", "ppi", "false" },
+    { "tpm-tis", "ppi", "false" },
 };
 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
 
@@ -91,8 +93,9 @@ const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
 
 GlobalProperty hw_compat_2_6[] = {
     { "virtio-mmio", "format_transport_address", "off" },
-    { "virtio-pci", "disable-modern", "on" },
-    { "virtio-pci", "disable-legacy", "off" },
+    /* Optional because not all virtio-pci devices support legacy mode */
+    { "virtio-pci", "disable-modern", "on",  .optional = true },
+    { "virtio-pci", "disable-legacy", "off", .optional = true },
 };
 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);