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IntelSiliconPkg/VtdInfoSample: Fix IGD RMRR memory.

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Fix a calculation problem in IGD RMRR memory.

Cc: Zeng Star <zeng.star@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Zeng Star <zeng.star@intel.com>
This commit is contained in:
Jiewen Yao 2017-10-20 16:47:48 +08:00
parent f6194f5a64
commit c13cb4aebf
1 changed files with 1 additions and 1 deletions
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IntelSiliconPkg/Feature/VTd/PlatformVTdInfoSamplePei/PlatformVTdInfoSamplePei.c
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@ -159,7 +159,7 @@ PatchDmar (
/// Calculate GTT mem size /// Calculate GTT mem size
/// ///
GttMemSize = 0; GttMemSize = 0;
GttMode = PciRead16 (PCI_LIB_ADDRESS(0, 0, 0, R_SA_GGC) & B_SKL_SA_GGC_GGMS_MASK) >> N_SKL_SA_GGC_GGMS_OFFSET; GttMode = (PciRead16 (PCI_LIB_ADDRESS(0, 0, 0, R_SA_GGC)) & B_SKL_SA_GGC_GGMS_MASK) >> N_SKL_SA_GGC_GGMS_OFFSET;
if (GttMode <= V_SKL_SA_GGC_GGMS_8MB) { if (GttMode <= V_SKL_SA_GGC_GGMS_8MB) {
GttMemSize = (1 << GttMode) * (1024) * (1024); GttMemSize = (1 << GttMode) * (1024) * (1024);
} }