diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 01918dc5dc55f6d044745c982bd38099fa3ffa93..9f2cf78907a3b1575bf5a5f65b1205526db0f29d 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -249,7 +249,7 @@ struct pctl_data {
 	uint32_t data;
 };
 
-const struct pctl_data pctl0_data[] = {
+static const struct pctl_data pctl0_data[] = {
 	{0x0, 0x7a640},
 	{0x9, 0x2a64a},
 	{0xd, 0x2a680},
@@ -274,7 +274,7 @@ const struct pctl_data pctl0_data[] = {
 #define PCTL0_STCTRL_REG_SAVE_RANGE0_BASE  0xa640
 #define PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa833
 
-const struct pctl_data pctl1_data[] = {
+static const struct pctl_data pctl1_data[] = {
 	{0x0, 0x39a000},
 	{0x3b, 0x44a040},
 	{0x81, 0x2a08d},