diff options
Diffstat (limited to 'OvmfPkg/QemuVideoDxe/Gop.c')
| -rw-r--r-- | OvmfPkg/QemuVideoDxe/Gop.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/OvmfPkg/QemuVideoDxe/Gop.c b/OvmfPkg/QemuVideoDxe/Gop.c index b11eed7..a29c025 100644 --- a/OvmfPkg/QemuVideoDxe/Gop.c +++ b/OvmfPkg/QemuVideoDxe/Gop.c @@ -9,6 +9,8 @@ #include "Qemu.h"
+#include <Library/DxeServicesTableLib.h>
+
STATIC
VOID
QemuVideoCompleteModeInfo (
@@ -54,6 +56,7 @@ QemuVideoCompleteModeData ( EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;
QEMU_VIDEO_MODE_DATA *ModeData;
+ EFI_STATUS Status;
ModeData = &Private->ModeData[Mode->Mode];
Info = Mode->Info;
@@ -79,6 +82,22 @@ QemuVideoCompleteModeData ( (UINT64)Mode->FrameBufferSize
));
+ if (FeaturePcdGet (PcdRemapFrameBufferWriteCombine)) {
+ Status = gDS->SetMemorySpaceCapabilities (
+ FrameBufDesc->AddrRangeMin,
+ FrameBufDesc->AddrLen,
+ EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_XP
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gDS->SetMemorySpaceAttributes (
+ FrameBufDesc->AddrRangeMin,
+ FrameBufDesc->AddrLen,
+ EFI_MEMORY_WC | EFI_MEMORY_XP
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+
FreePool (FrameBufDesc);
return EFI_SUCCESS;
}
|