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Update FrameBufferSize aligned with UEFI spec. 

Signed-off-by: Li Elvin <elvin.li@intel.com>
Reviewed-by: Ni Ruiyu <ruiyu.ni@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13959 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin 2012-11-23 08:24:19 +00:00
parent 8c5720b465
commit 554e88d230
1 changed files with 7 additions and 7 deletions
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14
IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c
View File

@ -1662,14 +1662,18 @@ BiosVideoCheckForVbe (
CurrentModeData->PixelBitMask.GreenMask = ((UINT32) CurrentModeData->Green.Mask) << CurrentModeData->Green.Position;
CurrentModeData->PixelBitMask.BlueMask = ((UINT32) CurrentModeData->Blue.Mask) << CurrentModeData->Blue.Position;
CurrentModeData->PixelBitMask.ReservedMask = ((UINT32) CurrentModeData->Reserved.Mask) << CurrentModeData->Reserved.Position;
CurrentModeData->FrameBufferSize = BiosVideoPrivate->VbeInformationBlock->TotalMemory * 64 * 1024;
CurrentModeData->LinearFrameBuffer = (VOID *) (UINTN)BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr;
CurrentModeData->HorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;
CurrentModeData->VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;
CurrentModeData->BitsPerPixel = BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel;
CurrentModeData->FrameBufferSize = CurrentModeData->BytesPerScanLine * CurrentModeData->VerticalResolution;
//
// Make sure the FrameBufferSize does not exceed the max available frame buffer size reported by VEB.
//
ASSERT (CurrentModeData->FrameBufferSize <= BiosVideoPrivate->VbeInformationBlock->TotalMemory * 64 * 1024);
BiosVideoPrivate->ModeData = ModeBuffer;
}
//
@ -2067,12 +2071,8 @@ BiosVideoGraphicsOutputSetMode (
CopyMem (&(This->Mode->Info->PixelInformation), &(ModeData->PixelBitMask), sizeof (ModeData->PixelBitMask));
This->Mode->Info->PixelsPerScanLine = (ModeData->BytesPerScanLine * 8) / ModeData->BitsPerPixel;
This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
//
// Frame BufferSize remain unchanged
//
This->Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) ModeData->LinearFrameBuffer;
This->Mode->FrameBufferSize = ModeData->FrameBufferSize;
This->Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) ModeData->LinearFrameBuffer;
BiosVideoPrivate->HardwareNeedsStarting = FALSE;