diff --git a/drivers/gpu/nvgpu/gp10b/hw_fb_gp10b.h b/drivers/gpu/nvgpu/gp10b/hw_fb_gp10b.h
index 236c2f8a7..ec3407774 100644
--- a/drivers/gpu/nvgpu/gp10b/hw_fb_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/hw_fb_gp10b.h
@@ -474,4 +474,8 @@ static inline u32 fb_mmu_vpr_info_fetch_true_v(void)
 {
 	return 0x00000001;
 }
+static inline u32 fb_niso_flush_sysmem_addr_r(void)
+{
+	return 0x00100c10;
+}
 #endif