ret = intel_vgpu_register_reg(vgpu,
PCI_VENDOR_ID_INTEL | VFIO_REGION_TYPE_PCI_VENDOR_TYPE,
VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION,
- &intel_vgpu_regops_opregion, OPREGION_SIZE,
+ &intel_vgpu_regops_opregion, INTEL_GVT_OPREGION_SIZE,
VFIO_REGION_INFO_FLAG_READ, base);
return ret;