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-rw-r--r--include/drm/intel-gtt.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index 0a0001b..923afb5 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -44,4 +44,8 @@ void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries,
/* flag for GFDT type */
#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
+#ifdef CONFIG_INTEL_IOMMU
+extern int intel_iommu_gfx_mapped;
+#endif
+
#endif