diff --git a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
index 427403e35..82a510e98 100644
--- a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
@@ -71,9 +71,9 @@
 
 #define PRIV_SECURITY_DISABLE 0x01
 
-int gm20b_get_litter_value(struct gk20a *g, int value)
+u32 gm20b_get_litter_value(struct gk20a *g, int value)
 {
-	int ret = EINVAL;
+	u32 ret = EINVAL;
 	switch (value) {
 	case GPU_LIT_NUM_GPCS:
 		ret = proj_scal_litter_num_gpcs_v();
diff --git a/drivers/gpu/nvgpu/gm20b/hal_gm20b.h b/drivers/gpu/nvgpu/gm20b/hal_gm20b.h
index 5deb7ef57..ec6b4e965 100644
--- a/drivers/gpu/nvgpu/gm20b/hal_gm20b.h
+++ b/drivers/gpu/nvgpu/gm20b/hal_gm20b.h
@@ -27,5 +27,5 @@
 struct gk20a;
 
 int gm20b_init_hal(struct gk20a *g);
-int gm20b_get_litter_value(struct gk20a *g, int value);
+u32 gm20b_get_litter_value(struct gk20a *g, int value);
 #endif /* NVGPU_GM20B_HAL_GM20B_H */
diff --git a/drivers/gpu/nvgpu/gp106/hal_gp106.c b/drivers/gpu/nvgpu/gp106/hal_gp106.c
index c0f2fd575..3786b588d 100644
--- a/drivers/gpu/nvgpu/gp106/hal_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/hal_gp106.c
@@ -106,9 +106,9 @@
 #include <nvgpu/hw/gp106/hw_gr_gp106.h>
 
 
-static int gp106_get_litter_value(struct gk20a *g, int value)
+static u32 gp106_get_litter_value(struct gk20a *g, int value)
 {
-	int ret = -EINVAL;
+	u32 ret = EINVAL;
 
 	switch (value) {
 	case GPU_LIT_NUM_GPCS:
diff --git a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
index 68dfcfe49..1050c89f0 100644
--- a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
@@ -88,9 +88,9 @@
 #include <nvgpu/hw/gp10b/hw_pwr_gp10b.h>
 #include <nvgpu/hw/gp10b/hw_gr_gp10b.h>
 
-int gp10b_get_litter_value(struct gk20a *g, int value)
+u32 gp10b_get_litter_value(struct gk20a *g, int value)
 {
-	int ret = EINVAL;
+	u32 ret = EINVAL;
 	switch (value) {
 	case GPU_LIT_NUM_GPCS:
 		ret = proj_scal_litter_num_gpcs_v();
diff --git a/drivers/gpu/nvgpu/gp10b/hal_gp10b.h b/drivers/gpu/nvgpu/gp10b/hal_gp10b.h
index 6ba80b889..13103c178 100644
--- a/drivers/gpu/nvgpu/gp10b/hal_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/hal_gp10b.h
@@ -27,5 +27,5 @@
 struct gk20a;
 
 int gp10b_init_hal(struct gk20a *gops);
-int gp10b_get_litter_value(struct gk20a *g, int value);
+u32 gp10b_get_litter_value(struct gk20a *g, int value);
 #endif /* NVGPU_HAL_GP10B_H */
diff --git a/drivers/gpu/nvgpu/gv100/hal_gv100.c b/drivers/gpu/nvgpu/gv100/hal_gv100.c
index 3c3e57425..aecebf79b 100644
--- a/drivers/gpu/nvgpu/gv100/hal_gv100.c
+++ b/drivers/gpu/nvgpu/gv100/hal_gv100.c
@@ -125,9 +125,9 @@
 #include <nvgpu/hw/gv100/hw_pwr_gv100.h>
 #include <nvgpu/hw/gv100/hw_gr_gv100.h>
 
-static int gv100_get_litter_value(struct gk20a *g, int value)
+static u32 gv100_get_litter_value(struct gk20a *g, int value)
 {
-	int ret = EINVAL;
+	u32 ret = EINVAL;
 	switch (value) {
 	case GPU_LIT_NUM_GPCS:
 		ret = proj_scal_litter_num_gpcs_v();
diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
index 986d3b825..0ee0e6c80 100644
--- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
@@ -104,9 +104,9 @@
 #include <nvgpu/hw/gv11b/hw_pwr_gv11b.h>
 #include <nvgpu/hw/gv11b/hw_gr_gv11b.h>
 
-int gv11b_get_litter_value(struct gk20a *g, int value)
+u32 gv11b_get_litter_value(struct gk20a *g, int value)
 {
-	int ret = EINVAL;
+	u32 ret = EINVAL;
 	switch (value) {
 	case GPU_LIT_NUM_GPCS:
 		ret = proj_scal_litter_num_gpcs_v();
diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.h b/drivers/gpu/nvgpu/gv11b/hal_gv11b.h
index d5b7ad017..b10cc7270 100644
--- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.h
@@ -27,5 +27,5 @@
 struct gk20a;
 
 int gv11b_init_hal(struct gk20a *gops);
-int gv11b_get_litter_value(struct gk20a *g, int value);
+u32 gv11b_get_litter_value(struct gk20a *g, int value);
 #endif /* NVGPU_HAL_GV11B_H */
diff --git a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
index a7fe1c2f2..2ebe00119 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
@@ -1194,7 +1194,7 @@ struct gpu_ops {
 		int (*perfbuffer_disable)(struct gk20a *g);
 	} dbg_session_ops;
 
-	int (*get_litter_value)(struct gk20a *g, int value);
+	u32 (*get_litter_value)(struct gk20a *g, int value);
 	int (*chip_init_gpu_characteristics)(struct gk20a *g);
 
 	struct {