diff options
| -rw-r--r-- | hw/vfio/igd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/vfio/igd.c b/hw/vfio/igd.c index 4047f4f071..73ed1ec8e6 100644 --- a/hw/vfio/igd.c +++ b/hw/vfio/igd.c @@ -268,7 +268,7 @@ static int vfio_igd_gtt_max(VFIOPCIDevice *vdev) gmch = vfio_pci_read_config(&vdev->pdev, IGD_GMCH, sizeof(gmch)); ggms = (gmch >> (gen < 8 ? 8 : 6)) & 0x3; - if (gen > 6) { + if (gen > 6 && ggms != 0) { ggms = 1 << ggms; } @@ -678,7 +678,7 @@ void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr) /* Determine the size of stolen memory needed for GTT */ ggms_mb = (gmch >> (gen < 8 ? 8 : 6)) & 0x3; - if (gen > 6) { + if (gen > 6 && ggms_mb != 0) { ggms_mb = 1 << ggms_mb; } |