/* Indicate support for various _OSC capabilities. */
if (pci_ext_cfg_avail(root->bus->self))
flags |= OSC_EXT_PCI_CONFIG_SUPPORT;
+ if (pcie_aspm_enabled())
+ flags |= OSC_ACTIVE_STATE_PWR_SUPPORT |
+ OSC_CLOCK_PWR_CAPABILITY_SUPPORT;
+ if (pci_msi_enabled())
+ flags |= OSC_MSI_SUPPORT;
if (flags != base_flags)
pci_acpi_osc_support(device->handle, flags);