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When EDID comes from hardware INT10 and does not include 800x600, 640x480 and 1024x768, but INT10 supports these modes, add them into GOP mode. 

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@14225 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin 2013-03-29 03:14:30 +00:00
parent b2fdb17eb7
commit 1687559138
1 changed files with 9 additions and 0 deletions
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9
IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c
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@ -1590,7 +1590,16 @@ BiosVideoCheckForVbe (
Timing.HorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;
Timing.VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;
if (!SearchEdidTiming (&ValidEdidTiming, &Timing)) {
//
// When EDID comes from INT10 call, EDID does not include 800x600, 640x480 and 1024x768,
// but INT10 can support these modes, we add them into GOP mode.
//
if ((BiosVideoPrivate->EdidDiscovered.SizeOfEdid != 0) &&
!((Timing.HorizontalResolution) == 1024 && (Timing.VerticalResolution == 768)) &&
!((Timing.HorizontalResolution) == 800 && (Timing.VerticalResolution == 600)) &&
!((Timing.HorizontalResolution) == 640 && (Timing.VerticalResolution == 480))) {
continue;
}
}
}