diff --git a/drivers/gpu/nvgpu/include/nvgpu/enabled.h b/drivers/gpu/nvgpu/include/nvgpu/enabled.h
index 866c98b2e..6d8833c58 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/enabled.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/enabled.h
@@ -255,10 +255,13 @@ struct gk20a;
 /** Enable compression */
 #define NVGPU_SUPPORT_COMPRESSION		87U
 
+/** SM TTU is enabled */
+#define NVGPU_SUPPORT_SM_TTU			88U
+
 /*
  * Must be greater than the largest bit offset in the above list.
  */
-#define NVGPU_MAX_ENABLED_BITS			88U
+#define NVGPU_MAX_ENABLED_BITS			89U
 
 /**
  * @brief Check if the passed flag is enabled.
diff --git a/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c b/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
index c17ff9134..01f5c3d29 100644
--- a/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
+++ b/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
@@ -252,7 +252,9 @@ static struct nvgpu_flags_mapping flags_mapping[] = {
 	{NVGPU_GPU_FLAGS_SUPPORT_FAULT_RECOVERY,
 		NVGPU_SUPPORT_FAULT_RECOVERY},
 	{NVGPU_GPU_FLAGS_SUPPORT_COMPRESSION,
-		NVGPU_SUPPORT_COMPRESSION}
+		NVGPU_SUPPORT_COMPRESSION},
+	{NVGPU_GPU_FLAGS_SUPPORT_SM_TTU,
+		NVGPU_SUPPORT_SM_TTU}
 };
 
 static u64 nvgpu_ctrl_ioctl_gpu_characteristics_flags(struct gk20a *g)
diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index 38c4e8aca..fc93f3101 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -175,6 +175,8 @@ struct nvgpu_gpu_zbc_query_table_args {
 #define NVGPU_GPU_FLAGS_SUPPORT_FAULT_RECOVERY		(1ULL << 33)
 /* Compression is enabled */
 #define NVGPU_GPU_FLAGS_SUPPORT_COMPRESSION		(1ULL << 36)
+/* SM TTU is enabled */
+#define NVGPU_GPU_FLAGS_SUPPORT_SM_TTU			(1ULL << 37)
 /* SM LRF ECC is enabled */
 #define NVGPU_GPU_FLAGS_ECC_ENABLED_SM_LRF	(1ULL << 60)
 /* SM SHM ECC is enabled */