4k page backing for small sized resources on DG1 (#57)

johnmach · web-flow · commit f3762cde422d · 2021-06-17T12:53:39.000+05:30
diff --git a/Source/GmmLib/Resource/GmmResourceInfoCommon.cpp b/Source/GmmLib/Resource/GmmResourceInfoCommon.cpp
@@ -56,6 +56,7 @@ uint8_t GMM_STDCALL GmmLib::GmmResourceInfoCommon::Is64KBPageSuitable()
     {
         Ignore64KBPadding |= (Surf.Flags.Info.NonLocalOnly || (Surf.Flags.Info.Shared && !Surf.Flags.Info.NotLockable));
         Ignore64KBPadding |= (pGmmGlobalContext->GetSkuTable().FtrLocalMemoryAllows4KB && Surf.Flags.Info.NoOptimizationPadding);
+	Ignore64KBPadding |= ((pGmmGlobalContext->GetSkuTable().FtrLocalMemoryAllows4KB) && (((Size * (100 + (GMM_GFX_SIZE_T)pGmmGlobalContext->GetAllowedPaddingFor64KbPagesPercentage())) / 100) < GFX_ALIGN(Size, GMM_KBYTE(64)))); 
     }
     else
     {

Original file line number	Diff line number	Diff line change
`@@ -56,6 +56,7 @@ uint8_t GMM_STDCALL GmmLib::GmmResourceInfoCommon::Is64KBPageSuitable()`
`56`	`56`	`{`
`57`	`57`	`Ignore64KBPadding \|= (Surf.Flags.Info.NonLocalOnly \|\| (Surf.Flags.Info.Shared && !Surf.Flags.Info.NotLockable));`
`58`	`58`	`Ignore64KBPadding \|= (pGmmGlobalContext->GetSkuTable().FtrLocalMemoryAllows4KB && Surf.Flags.Info.NoOptimizationPadding);`
	`59`	`+ Ignore64KBPadding \|= ((pGmmGlobalContext->GetSkuTable().FtrLocalMemoryAllows4KB) && (((Size * (100 + (GMM_GFX_SIZE_T)pGmmGlobalContext->GetAllowedPaddingFor64KbPagesPercentage())) / 100) < GFX_ALIGN(Size, GMM_KBYTE(64))));`
`59`	`60`	`}`
`60`	`61`	`else`
`61`	`62`	`{`