diff options
Diffstat (limited to 'OvmfPkg/QemuVideoDxe/Driver.c')
| -rw-r--r-- | OvmfPkg/QemuVideoDxe/Driver.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/OvmfPkg/QemuVideoDxe/Driver.c b/OvmfPkg/QemuVideoDxe/Driver.c index 53718e1ae..b253ec734 100644 --- a/OvmfPkg/QemuVideoDxe/Driver.c +++ b/OvmfPkg/QemuVideoDxe/Driver.c @@ -209,6 +209,7 @@ QemuVideoControllerDriverStart ( PCI_TYPE00 Pci;
QEMU_VIDEO_CARD *Card;
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *MmioDesc;
+ EFI_PCI_IO_PROTOCOL *ChildPciIo;
PciAttributesSaved = FALSE;
//
@@ -419,6 +420,22 @@ QemuVideoControllerDriverStart ( &Private->GraphicsOutput,
NULL
);
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &ChildPciIo,
+ This->DriverBindingHandle,
+ Private->Handle,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
}
Error:
@@ -440,7 +457,14 @@ Error: // Close the PCI I/O Protocol
//
gBS->CloseProtocol (
- Private->Handle,
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ gBS->CloseProtocol (
+ Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Private->Handle
@@ -533,6 +557,13 @@ QemuVideoControllerDriverStop ( Controller
);
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Handle
+ );
+
//
// Free our instance data
//
|