diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c index f7039da992..5a4b830604 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c @@ -1002,7 +1002,7 @@ ActiveVGADeviceOnTheSameSegment ( if (Temp->PciRootBridgeIo->SegmentNumber == VgaDevice->PciRootBridgeIo->SegmentNumber) { - Temp = ActiveVGADeviceOnTheRootBridge (Temp); + Temp = LocateVgaDevice (Temp); if (Temp != NULL) { return Temp; @@ -1016,41 +1016,41 @@ ActiveVGADeviceOnTheSameSegment ( } /** - Get the active VGA device on the root bridge. + Locate the active VGA device under the bridge. - @param RootBridge PCI IO instance for the root bridge. + @param Bridge PCI IO instance for the bridge. @return The active VGA device. **/ PCI_IO_DEVICE * -ActiveVGADeviceOnTheRootBridge ( - IN PCI_IO_DEVICE *RootBridge +LocateVgaDevice ( + IN PCI_IO_DEVICE *Bridge ) { LIST_ENTRY *CurrentLink; - PCI_IO_DEVICE *Temp; + PCI_IO_DEVICE *PciIoDevice; - CurrentLink = RootBridge->ChildList.ForwardLink; + CurrentLink = Bridge->ChildList.ForwardLink; - while (CurrentLink != NULL && CurrentLink != &RootBridge->ChildList) { + while (CurrentLink != NULL && CurrentLink != &Bridge->ChildList) { - Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink); + PciIoDevice = PCI_IO_DEVICE_FROM_LINK (CurrentLink); - if (IS_PCI_VGA(&Temp->Pci) && - (Temp->Attributes & + if (IS_PCI_VGA(&PciIoDevice->Pci) && + (PciIoDevice->Attributes & (EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO | EFI_PCI_IO_ATTRIBUTE_VGA_IO_16)) != 0) { - return Temp; + return PciIoDevice; } - if (IS_PCI_BRIDGE (&Temp->Pci)) { + if (IS_PCI_BRIDGE (&PciIoDevice->Pci)) { - Temp = ActiveVGADeviceOnTheRootBridge (Temp); + PciIoDevice = LocateVgaDevice (PciIoDevice); - if (Temp != NULL) { - return Temp; + if (PciIoDevice != NULL) { + return PciIoDevice; } } @@ -1060,6 +1060,3 @@ ActiveVGADeviceOnTheRootBridge ( return NULL; } - - - diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.h b/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.h index c282381f85..1ec2178a21 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.h +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.h @@ -1,7 +1,7 @@ /** @file Supporting functions declaration for PCI devices management. -Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -243,16 +243,16 @@ ActiveVGADeviceOnTheSameSegment ( ); /** - Get the active VGA device on the root bridge. + Locate the active VGA device under the bridge. - @param RootBridge PCI IO instance for the root bridge. + @param Bridge PCI IO instance for the bridge. @return The active VGA device. **/ PCI_IO_DEVICE * -ActiveVGADeviceOnTheRootBridge ( - IN PCI_IO_DEVICE *RootBridge +LocateVgaDevice ( + IN PCI_IO_DEVICE *Bridge );