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

Frontpage: Set/Use native display resolution

Browse Source 
set the mSetupH/V resolution based on GraphicsOutput mode,
not SimpleTextOut mode
This commit is contained in:
CoolStar
2016-07-17 02:22:48 -07:00
committed by Matt DeVillier
parent 0554ac9dd0
commit 439e7d2556
1 changed files with 48 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
IntelFrameworkModulePkg/Universal/BdsDxe/FrontPage.c
View File

@ -949,6 +949,49 @@ ShowProgress (
return EFI_SUCCESS;
}
static EFI_STATUS GopSetModeAndReconnectTextOut(
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,
IN UINT32 ModeNumber)
{
UINTN HandleCount;
UINTN Index;
EFI_HANDLE *HandleBuffer;
EFI_STATUS Status;
if (GraphicsOutput == NULL) {
return EFI_UNSUPPORTED;
}
Status = GraphicsOutput->SetMode(GraphicsOutput, ModeNumber);
if (!EFI_ERROR (Status)) {
// When we change mode on GOP, we need to reconnect the drivers which produce simple text out
// Otherwise, they won't produce text based on the new resolution
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextOutProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (!EFI_ERROR (Status)) {
for (Index = 0; Index < HandleCount; Index++) {
gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
}
for (Index = 0; Index < HandleCount; Index++) {
gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
}
if (HandleBuffer != NULL) {
FreePool (HandleBuffer);
}
}
// return value is according to whether SetMode succeeded
Status = EFI_SUCCESS;
}
return Status;
}
/**
This function is the main entry of the platform setup entry.
The function will present the main menu of the system setup,
@ -1013,11 +1056,16 @@ PlatformBdsEnterFrontPage (
}
if (GraphicsOutput != NULL) {
Status = GopSetModeAndReconnectTextOut(GraphicsOutput, 0);
//
// Get current video resolution and text mode.
//
mBootHorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;
mBootVerticalResolution = GraphicsOutput->Mode->Info->VerticalResolution;
mSetupHorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;
mSetupVerticalResolution = GraphicsOutput->Mode->Info->VerticalResolution;
}
if (SimpleTextOut != NULL) {
@ -1034,8 +1082,6 @@ PlatformBdsEnterFrontPage (
//
// Get user defined text mode for setup.
//
mSetupHorizontalResolution = PcdGet32 (PcdSetupVideoHorizontalResolution);
mSetupVerticalResolution = PcdGet32 (PcdSetupVideoVerticalResolution);
mSetupTextModeColumn = PcdGet32 (PcdSetupConOutColumn);
mSetupTextModeRow = PcdGet32 (PcdSetupConOutRow);