1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/enabled.h b/drivers/gpu/nvgpu/include/nvgpu/enabled.h
index ef55dad8..51e93586 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/enabled.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/enabled.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2017-2022, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -85,7 +85,12 @@ struct gk20a;
 #define NVGPU_MM_USE_PHYSICAL_SG                27
 /* WAR for gm20b chips. */
 #define NVGPU_MM_FORCE_128K_PMU_VM              28
-
+/* SW ERRATA to disable L3 alloc Bit of the physical address.
+ * Bit number varies between SOCs.
+ * E.g. 64GB physical RAM support for gv11b requires this SW errata
+ * to be enabled.
+ */
+#define NVGPU_DISABLE_L3_SUPPORT                29
 /*
  * Host flags
  */