diff --git a/drivers/gpu/nvgpu/volt/volt_dev.c b/drivers/gpu/nvgpu/volt/volt_dev.c
index 5d98cde46..750588280 100644
--- a/drivers/gpu/nvgpu/volt/volt_dev.c
+++ b/drivers/gpu/nvgpu/volt/volt_dev.c
@@ -28,6 +28,7 @@
 #include <nvgpu/gk20a.h>
 #include <nvgpu/boardobjgrp.h>
 #include <nvgpu/boardobjgrp_e32.h>
+#include <nvgpu/string.h>
 
 #include "gp106/bios_gp106.h"
 
@@ -391,7 +392,7 @@ static u32 volt_get_volt_devices_table(struct gk20a *g,
 		goto done;
 	}
 
-	memcpy(&header, volt_device_table_ptr,
+	nvgpu_memcpy((u8 *)&header, volt_device_table_ptr,
 			sizeof(struct vbios_voltage_device_table_1x_header));
 
 	/* Read in the entries. */
@@ -399,7 +400,7 @@ static u32 volt_get_volt_devices_table(struct gk20a *g,
 		entry_offset = (volt_device_table_ptr + header.header_size +
 					(entry_idx * header.table_entry_size));
 
-		memcpy(&entry, entry_offset,
+		nvgpu_memcpy((u8 *)&entry, entry_offset,
 			sizeof(struct vbios_voltage_device_table_1x_entry));
 
 		if (entry.type == NV_VBIOS_VOLTAGE_DEVICE_1X_ENTRY_TYPE_PSV) {
diff --git a/drivers/gpu/nvgpu/volt/volt_policy.c b/drivers/gpu/nvgpu/volt/volt_policy.c
index cb5e3d620..692b3dbbf 100644
--- a/drivers/gpu/nvgpu/volt/volt_policy.c
+++ b/drivers/gpu/nvgpu/volt/volt_policy.c
@@ -24,6 +24,7 @@
 #include <nvgpu/gk20a.h>
 #include <nvgpu/boardobjgrp.h>
 #include <nvgpu/boardobjgrp_e32.h>
+#include <nvgpu/string.h>
 
 #include "gp106/bios_gp106.h"
 #include "ctrl/ctrlvolt.h"
@@ -295,7 +296,7 @@ static int volt_get_volt_policy_table(struct gk20a *g,
 		goto done;
 	}
 
-	memcpy(&header, voltage_policy_table_ptr,
+	nvgpu_memcpy((u8 *)&header, voltage_policy_table_ptr,
 			sizeof(struct vbios_voltage_policy_table_1x_header));
 
 	/* Set Voltage Policy Table Index for Perf Core VF Sequence client. */
@@ -307,7 +308,7 @@ static int volt_get_volt_policy_table(struct gk20a *g,
 		entry_offset = (voltage_policy_table_ptr + header.header_size +
 						i * header.table_entry_size);
 
-		memcpy(&entry, entry_offset,
+		nvgpu_memcpy((u8 *)&entry, entry_offset,
 			sizeof(struct vbios_voltage_policy_table_1x_entry));
 
 		memset(&policy_type_data, 0x0, sizeof(policy_type_data));
diff --git a/drivers/gpu/nvgpu/volt/volt_rail.c b/drivers/gpu/nvgpu/volt/volt_rail.c
index 77470112c..c81572de1 100644
--- a/drivers/gpu/nvgpu/volt/volt_rail.c
+++ b/drivers/gpu/nvgpu/volt/volt_rail.c
@@ -24,6 +24,7 @@
 #include <nvgpu/gk20a.h>
 #include <nvgpu/boardobjgrp.h>
 #include <nvgpu/boardobjgrp_e32.h>
+#include <nvgpu/string.h>
 
 #include "gp106/bios_gp106.h"
 #include "ctrl/ctrlvolt.h"
@@ -284,7 +285,7 @@ static int volt_get_volt_rail_table(struct gk20a *g,
 		goto done;
 	}
 
-	memcpy(&header, volt_rail_table_ptr,
+	nvgpu_memcpy((u8 *)&header, volt_rail_table_ptr,
 			sizeof(struct vbios_voltage_rail_table_1x_header));
 
 	pvolt_rail_metadata->volt_domain_hal = (u8)header.volt_domain_hal;
@@ -295,7 +296,7 @@ static int volt_get_volt_rail_table(struct gk20a *g,
 
 		memset(&rail_type_data, 0x0, sizeof(rail_type_data));
 
-		memcpy(&entry, entry_ptr,
+		nvgpu_memcpy((u8 *)&entry, entry_ptr,
 			sizeof(struct vbios_voltage_rail_table_1x_entry));
 
 		volt_domain = volt_rail_vbios_volt_domain_convert_to_internal(g,