VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION 601 drivers/gpu/drm/i915/gvt/kvmgt.c VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION, VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION 95 drivers/vfio/pci/vfio_pci_igd.c VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION,