[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/include/drm/intel-gtt.h b/ap/os/linux/linux-3.4.x/include/drm/intel-gtt.h
new file mode 100644
index 0000000..923afb5
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/drm/intel-gtt.h
@@ -0,0 +1,51 @@
+/* Common header for intel-gtt.ko and i915.ko */
+
+#ifndef _DRM_INTEL_GTT_H
+#define _DRM_INTEL_GTT_H
+
+const struct intel_gtt {
+ /* Size of memory reserved for graphics by the BIOS */
+ unsigned int stolen_size;
+ /* Total number of gtt entries. */
+ unsigned int gtt_total_entries;
+ /* Part of the gtt that is mappable by the cpu, for those chips where
+ * this is not the full gtt. */
+ unsigned int gtt_mappable_entries;
+ /* Whether i915 needs to use the dmar apis or not. */
+ unsigned int needs_dmar : 1;
+ /* Whether we idle the gpu before mapping/unmapping */
+ unsigned int do_idle_maps : 1;
+ /* Share the scratch page dma with ppgtts. */
+ dma_addr_t scratch_page_dma;
+ /* for ppgtt PDE access */
+ u32 __iomem *gtt;
+} *intel_gtt_get(void);
+
+void intel_gtt_chipset_flush(void);
+void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg);
+void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
+int intel_gtt_map_memory(struct page **pages, unsigned int num_entries,
+ struct scatterlist **sg_list, int *num_sg);
+void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
+ unsigned int sg_len,
+ unsigned int pg_start,
+ unsigned int flags);
+void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries,
+ struct page **pages, unsigned int flags);
+
+/* Special gtt memory types */
+#define AGP_DCACHE_MEMORY 1
+#define AGP_PHYS_MEMORY 2
+
+/* New caching attributes for gen6/sandybridge */
+#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
+#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
+
+/* flag for GFDT type */
+#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
+
+#ifdef CONFIG_INTEL_IOMMU
+extern int intel_iommu_gfx_mapped;
+#endif
+
+#endif