One more place to extend IGD check

The VGA class is checked in two places. The second one is related to allowing opregion access - needed to access VBT. QubesOS/qubes-issues#8561
QubesOS · Feb 22, 2025 · bbe3cab · bbe3cab
1 parent 1b97425
commit bbe3cab
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diff --git a/0654-libxl-extend-IGD-check.patch b/0654-libxl-extend-IGD-check.patch
@@ -29,6 +29,16 @@ index 35e3e1360423..5be9b8239567 100644
              return true;
      }
 
+@@ -2721,7 +2721,8 @@ int libxl__grant_vga_iomem_permission(libxl__gc *gc, const uint32_t domid,
+
+         if (sysfs_dev_get_class(gc, pci, &pci_device_class))
+             continue;
+-        if (pci_device_class != 0x030000) /* VGA class */
++        if (pci_device_class != 0x030000 && /* VGA class */
++                pci_device_class != 0x038000) /* Display class */
+             continue;
+
+         stubdom_domid = libxl_get_stubdom_id(CTX, domid);
 -- 
 2.46.0
 
diff --git a/1017-Fix-IGD-passthrough-with-linux-stubdomain.patch b/1017-Fix-IGD-passthrough-with-linux-stubdomain.patch
@@ -148,7 +148,7 @@ index 0302b5990f06..35e3e1360423 100644
          unsigned long pci_device_class;
 
 @@ -2613,30 +2724,19 @@ int libxl__grant_vga_iomem_permission(libxl__gc *gc, const uint32_t domid,
-         if (pci_device_class != 0x030000) /* VGA class */
+                 pci_device_class != 0x038000) /* Display class */
              continue;
 
 -        stubdom_domid = libxl_get_stubdom_id(CTX, domid);