Add DisplayPageTables Support and update GT_SYSTEM_INFO (#61)

Author: johnmach

Source/GmmLib/Texture/GmmGen11Texture.cpp

@@ -369,6 +369,21 @@ void GmmLib::GmmGen11TextureCalc::FillPlanarOffsetAddress(GMM_TEXTURE_INFO *pTex
             *pUOffsetY += pTexInfo->OffsetInfo.Plane.Y[GMM_PLANE_Y];
             *pVOffsetY = *pUOffsetY;
         }
+
+	// This is needed for FtrDisplayPageTables
+        if(pGmmGlobalContext->GetSkuTable().FtrDisplayPageTables)
+        {
+            pTexInfo->OffsetInfo.Plane.Aligned.Height[GMM_PLANE_Y] = GFX_ALIGN(YHeight, TileHeight);
+            if(pTexInfo->OffsetInfo.Plane.NoOfPlanes == 2)
+            {
+                pTexInfo->OffsetInfo.Plane.Aligned.Height[GMM_PLANE_U] = GFX_ALIGN(VHeight, TileHeight);
+            }
+            else if(pTexInfo->OffsetInfo.Plane.NoOfPlanes == 3)
+            {
+                pTexInfo->OffsetInfo.Plane.Aligned.Height[GMM_PLANE_U] =
+                pTexInfo->OffsetInfo.Plane.Aligned.Height[GMM_PLANE_V] = GFX_ALIGN(VHeight, TileHeight);
+            }
+	}
     }
 
     //Special case LKF MMC compressed surfaces

Source/GmmLib/inc/External/Common/GmmTextureExt.h

@@ -47,7 +47,7 @@ typedef struct GMM_PLANAR_OFFSET_INFO_REC
     struct
     {
         GMM_GFX_SIZE_T     Height[GMM_MAX_PLANE];
-    } UnAligned;
+    } UnAligned, Aligned;
     uint32_t            NoOfPlanes;
     bool                IsTileAlignedPlanes;
 }GMM_PLANAR_OFFSET_INFO;

Source/inc/common/gtsysinfo.h

@@ -282,6 +282,8 @@ typedef struct GT_SYSTEM_INFO
     uint32_t        NumThreadsPerEu;                // Number of threads per EU. 
     GT_CACHE_TYPES  CacheTypes;                     // Types of caches available on system (L3/LLC/eDRAM).                     
     uint32_t        MaxVECS;                        // Max VECS instances.
+    uint32_t        MemoryType;                     // GT_MEMORY_TYPES - type of memory supported in current platform
+
 } GT_SYSTEM_INFO, *PGT_SYSTEM_INFO;
 
 #pragma pack(pop)

Source/inc/common/sku_wa.h

@@ -104,6 +104,7 @@ typedef struct _SKU_FEATURE_TABLE
         unsigned int   FtrFlatPhysCCS                   : 1;  // XeHP compression ie flat physical CCS
         unsigned int   FtrDisplayXTiling                : 1;  // Fallback to Legacy TileX Display, used for Pre-SI platforms.
         unsigned int   FtrMultiTileArch                 : 1;
+	unsigned int   FtrDisplayPageTables             : 1;  // Display Page Tables: 2-Level Page walk for Displayable Frame buffers in GGTT.
    };