Update resource degrade algorithm in PCI bus driver. (1)If any child device has both...

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / PciBusDxe / PciEnumerator.c

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumerator.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumerator.c
index ece3ee830ff02f6049b8d860d5a5795b0445bb71..aa209cd8cff8c9e6e51845f15d1b9098c6a924b4 100644 (file)
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumerator.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumerator.c
@@ -475,6 +475,7 @@ DetermineRootBridgeAttributes (
   }\r
 \r
   if ((Attributes & EFI_PCI_HOST_BRIDGE_MEM64_DECODE) != 0) {\r
+    RootBridgeDev->Decodes |= EFI_BRIDGE_MEM64_DECODE_SUPPORTED;\r
     RootBridgeDev->Decodes |= EFI_BRIDGE_PMEM64_DECODE_SUPPORTED;\r
   }\r
 \r