diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe')
| -rw-r--r-- | IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c | 25 | ||||
| -rw-r--r-- | IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf | 2 |
2 files changed, 27 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c b/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c index f8830b1763..ceb362798c 100644 --- a/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c +++ b/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c @@ -1225,12 +1225,18 @@ BiosVideoCheckForVbe ( UINT8 *EdidOverrideDataBlock;
UINTN EdidActiveDataSize;
UINT8 *EdidActiveDataBlock;
+ UINT32 HighestHorizontalResolution;
+ UINT32 HighestVerticalResolution;
+ UINTN HighestResolutionMode;
EdidFound = TRUE;
EdidOverrideFound = FALSE;
EdidOverrideDataBlock = NULL;
EdidActiveDataSize = 0;
EdidActiveDataBlock = NULL;
+ HighestHorizontalResolution = 0;
+ HighestVerticalResolution = 0;
+ HighestResolutionMode = 0;
//
// Allocate buffer under 1MB for VBE data structures
@@ -1527,6 +1533,16 @@ BiosVideoCheckForVbe ( }
//
+ // Record the highest resolution mode to set later
+ //
+ if ((BiosVideoPrivate->VbeModeInformationBlock->XResolution >= HighestHorizontalResolution) &&
+ (BiosVideoPrivate->VbeModeInformationBlock->YResolution >= HighestVerticalResolution)) {
+ HighestHorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;
+ HighestVerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;
+ HighestResolutionMode = ModeNumber;
+ }
+
+ //
// Add mode to the list of available modes
//
ModeNumber ++;
@@ -1620,6 +1636,15 @@ BiosVideoCheckForVbe ( //
// Find the best mode to initialize
//
+ if ((PcdGet32 (PcdVideoHorizontalResolution) == 0x0) || (PcdGet32 (PcdVideoVerticalResolution) == 0x0)) {
+ DEBUG_CODE (
+ BIOS_VIDEO_MODE_DATA *ModeData;
+ ModeData = &BiosVideoPrivate->ModeData[HighestResolutionMode];
+ DEBUG ((EFI_D_INFO, "BiosVideo set highest resolution %d x %d\n",
+ ModeData->HorizontalResolution, ModeData->VerticalResolution));
+ );
+ PreferMode = HighestResolutionMode;
+ }
Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, (UINT32) PreferMode);
if (EFI_ERROR (Status)) {
for (PreferMode = 0; PreferMode < ModeNumber; PreferMode ++) {
diff --git a/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf b/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf index bf5f255dcf..33dad82109 100644 --- a/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf +++ b/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf @@ -78,3 +78,5 @@ gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable
+ gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution
+ gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution
|