ElkhartLake and TigerLake devices were tested in legacy mode with Linux
and Windows VMs. Both are working properly. It's likely that other Intel
GPUs of gen 11 and 12 like IceLake device are working too. However,
we're only adding known good devices for now.

Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
---
 hw/vfio/igd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/vfio/igd.c b/hw/vfio/igd.c
index 0d68c6a451..8a41b16421 100644
--- a/hw/vfio/igd.c
+++ b/hw/vfio/igd.c
@@ -88,6 +88,12 @@ static int igd_gen(VFIOPCIDevice *vdev)
     case 0x2200:
     case 0x5900:
         return 8;
+    /* ElkhartLake */
+    case 0x4500:
+        return 11;
+    /* TigerLake */
+    case 0x9A00:
+        return 12;
     }
 
     /*
-- 
2.46.0