sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

CorebootModulePkg: Add video resolution PCD initialization

Browse Source 
The video console resolution related PCDs are required to be
initialized after switching to use the generic BdsDxe driver
in MdeModulePkg.

Cc: Prince Agyeman <prince.agyeman@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Lee Leahy <leroy.p.leahy@intel.com>
This commit is contained in:
Maurice Ma
2016-05-17 09:30:49 -07:00
parent f3a90fbf8b
commit 3aa865685a
3 changed files with 25 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
CorebootModulePkg/CbSupportDxe/CbSupportDxe.c
View File

@ -134,6 +134,7 @@ CbDxeEntryPoint (
EFI_HOB_GUID_TYPE *GuidHob;
SYSTEM_TABLE_INFO *pSystemTableInfo;
ACPI_BOARD_INFO *pAcpiBoardInfo;
FRAME_BUFFER_INFO *FbInfo;
Status = EFI_SUCCESS;
//
@ -183,6 +184,21 @@ CbDxeEntryPoint (
mPmCtrlReg = (UINTN)pAcpiBoardInfo->PmCtrlRegBase;
DEBUG ((EFI_D_ERROR, "PmCtrlReg at 0x%lx\n", (UINT64)mPmCtrlReg));
//
// Find the frame buffer information and update PCDs
//
GuidHob = GetFirstGuidHob (&gUefiFrameBufferInfoGuid);
ASSERT (GuidHob != NULL);
FbInfo = (FRAME_BUFFER_INFO *)GET_GUID_HOB_DATA (GuidHob);
Status = PcdSet32S (PcdVideoHorizontalResolution, FbInfo->HorizontalResolution);
ASSERT_EFI_ERROR (Status);
Status = PcdSet32S (PcdVideoVerticalResolution, FbInfo->VerticalResolution);
ASSERT_EFI_ERROR (Status);
Status = PcdSet32S (PcdSetupVideoHorizontalResolution, FbInfo->HorizontalResolution);
ASSERT_EFI_ERROR (Status);
Status = PcdSet32S (PcdSetupVideoVerticalResolution, FbInfo->VerticalResolution);
ASSERT_EFI_ERROR (Status);
//
// Register callback on the ready to boot event
// in order to enable SCI