diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 66f184471..fcf60b6be 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -3882,10 +3882,10 @@ static int gr_gk20a_load_zbc_table(struct gk20a *g, struct gr_gk20a *gr)
 		struct zbc_entry zbc_val;
 
 		zbc_val.type = GK20A_ZBC_TYPE_COLOR;
-		(void) memcpy(zbc_val.color_ds,
-		       c_tbl->color_ds, sizeof(zbc_val.color_ds));
-		(void) memcpy(zbc_val.color_l2,
-		       c_tbl->color_l2, sizeof(zbc_val.color_l2));
+		nvgpu_memcpy((u8 *)zbc_val.color_ds,
+			(u8 *)c_tbl->color_ds, sizeof(zbc_val.color_ds));
+		nvgpu_memcpy((u8 *)zbc_val.color_l2,
+			(u8 *)c_tbl->color_l2, sizeof(zbc_val.color_l2));
 		zbc_val.format = c_tbl->format;
 
 		ret = g->ops.gr.add_zbc_color(g, gr, &zbc_val, i);
diff --git a/drivers/gpu/nvgpu/pmu_perf/vfe_var.c b/drivers/gpu/nvgpu/pmu_perf/vfe_var.c
index 4e0ec62e1..ddcd4526a 100644
--- a/drivers/gpu/nvgpu/pmu_perf/vfe_var.c
+++ b/drivers/gpu/nvgpu/pmu_perf/vfe_var.c
@@ -33,7 +33,7 @@
 #include "vfe_var.h"
 
 static int devinit_get_vfe_var_table(struct gk20a *g,
-				     struct vfe_vars *pvfevarobjs);
+				     struct vfe_vars *pvarobjs);
 static int vfe_var_construct_single(struct gk20a *g,
 				    struct boardobj **ppboardobj,
 				    u16 size, void *pargs);
@@ -609,16 +609,16 @@ static int _vfe_var_pmudatainit_single_sensed_fuse(struct gk20a *g,
 	pset = (struct nv_pmu_vfe_var_single_sensed_fuse *)
 		ppmudata;
 
-	(void) memcpy(&pset->vfield_info,
-		&pvfe_var_single_sensed_fuse->vfield_info,
+	nvgpu_memcpy((u8 *)&pset->vfield_info,
+		(u8 *)&pvfe_var_single_sensed_fuse->vfield_info,
 		sizeof(struct ctrl_perf_vfe_var_single_sensed_fuse_vfield_info));
 
-	(void) memcpy(&pset->vfield_ver_info,
-		&pvfe_var_single_sensed_fuse->vfield_ver_info,
+	nvgpu_memcpy((u8 *)&pset->vfield_ver_info,
+		(u8 *)&pvfe_var_single_sensed_fuse->vfield_ver_info,
 		sizeof(struct ctrl_perf_vfe_var_single_sensed_fuse_ver_vfield_info));
 
-	(void) memcpy(&pset->override_info,
-		&pvfe_var_single_sensed_fuse->override_info,
+	nvgpu_memcpy((u8 *)&pset->override_info,
+		(u8 *)&pvfe_var_single_sensed_fuse->override_info,
 		sizeof(struct ctrl_perf_vfe_var_single_sensed_fuse_override_info));
 
 	pset->b_fuse_value_signed = pvfe_var_single_sensed_fuse->b_fuse_value_signed;
diff --git a/drivers/gpu/nvgpu/volt/volt_pmu.c b/drivers/gpu/nvgpu/volt/volt_pmu.c
index 0570614b5..d77a596b2 100644
--- a/drivers/gpu/nvgpu/volt/volt_pmu.c
+++ b/drivers/gpu/nvgpu/volt/volt_pmu.c
@@ -27,6 +27,7 @@
 #include <nvgpu/boardobjgrp_e32.h>
 #include <nvgpu/pmuif/ctrlvolt.h>
 #include <nvgpu/pmuif/ctrlperf.h>
+#include <nvgpu/string.h>
 
 #include "pmu_perf/pmu_perf.h"
 #include "gp106/bios_gp106.h"
@@ -257,8 +258,8 @@ static int volt_policy_set_voltage(struct gk20a *g, u8 client_id,
 	/* Set RPC parameters. */
 	rpc_call.function = NV_PMU_VOLT_RPC_ID_VOLT_POLICY_SET_VOLTAGE;
 	rpc_call.params.volt_policy_voltage_data.policy_idx = policy_idx;
-	(void) memcpy(&rpc_call.params.volt_policy_voltage_data.rail_list,
-		prail_list, (sizeof(struct ctrl_perf_volt_rail_list)));
+	nvgpu_memcpy((u8 *)&rpc_call.params.volt_policy_voltage_data.rail_list,
+		(u8 *)prail_list, (sizeof(struct ctrl_perf_volt_rail_list)));
 
 	/* Execute the voltage change request via PMU RPC. */
 	status = volt_pmu_rpc_execute(g, &rpc_call);
@@ -353,9 +354,9 @@ static int volt_policy_set_noiseaware_vmin(struct gk20a *g,
 	rpc_call.function = NV_PMU_VOLT_RPC_ID_VOLT_RAIL_SET_NOISE_UNAWARE_VMIN;
 	rpc_call.params.volt_rail_set_noise_unaware_vmin.num_rails =
 			prail_list->num_rails;
-	(void) memcpy(
-		&rpc_call.params.volt_rail_set_noise_unaware_vmin.rail_list,
-		prail_list, (sizeof(struct ctrl_volt_volt_rail_list)));
+	nvgpu_memcpy(
+		(u8 *)&rpc_call.params.volt_rail_set_noise_unaware_vmin.rail_list,
+		(u8 *)prail_list, (sizeof(struct ctrl_volt_volt_rail_list)));
 
 	/* Execute the voltage change request via PMU RPC. */
 	status = volt_pmu_rpc_execute(g, &rpc_call);