diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 4ae622f36e20b..8d03edd4d67c7 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -342,33 +342,6 @@ static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev)
 	return 0;
 }
 
-static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
-				 struct seq_file *s)
-{
-	u32 val;
-
-	switch (pdev->cpu_id) {
-	case AMD_CPU_ID_CZN:
-		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
-		break;
-	case AMD_CPU_ID_YC:
-	case AMD_CPU_ID_CB:
-	case AMD_CPU_ID_PS:
-		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (dev)
-		dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val);
-
-	if (s)
-		seq_printf(s, "SMU idlemask : 0x%x\n", val);
-
-	return 0;
-}
-
 static int get_metrics_table(struct amd_pmc_dev *pdev, struct smu_metrics *table)
 {
 	if (!pdev->smu_virt_addr) {
@@ -543,28 +516,47 @@ static int s0ix_stats_show(struct seq_file *s, void *unused)
 }
 DEFINE_SHOW_ATTRIBUTE(s0ix_stats);
 
-static int amd_pmc_idlemask_show(struct seq_file *s, void *unused)
+static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
+				 struct seq_file *s)
 {
-	struct amd_pmc_dev *dev = s->private;
+	u32 val;
 	int rc;
 
-	/* we haven't yet read SMU version */
-	if (!dev->major) {
-		rc = amd_pmc_get_smu_version(dev);
-		if (rc)
-			return rc;
+	switch (pdev->cpu_id) {
+	case AMD_CPU_ID_CZN:
+		/* we haven't yet read SMU version */
+		if (!pdev->major) {
+			rc = amd_pmc_get_smu_version(pdev);
+			if (rc)
+				return rc;
+		}
+		if (pdev->major > 56 || (pdev->major >= 55 && pdev->minor >= 37))
+			val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
+		else
+			return -EINVAL;
+		break;
+	case AMD_CPU_ID_YC:
+	case AMD_CPU_ID_CB:
+	case AMD_CPU_ID_PS:
+		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
+		break;
+	default:
+		return -EINVAL;
 	}
 
-	if (dev->major > 56 || (dev->major >= 55 && dev->minor >= 37)) {
-		rc = amd_pmc_idlemask_read(dev, NULL, s);
-		if (rc)
-			return rc;
-	} else {
-		seq_puts(s, "Unsupported SMU version for Idlemask\n");
-	}
+	if (dev)
+		dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val);
+
+	if (s)
+		seq_printf(s, "SMU idlemask : 0x%x\n", val);
 
 	return 0;
 }
+
+static int amd_pmc_idlemask_show(struct seq_file *s, void *unused)
+{
+	return amd_pmc_idlemask_read(s->private, NULL, s);
+}
 DEFINE_SHOW_ATTRIBUTE(amd_pmc_idlemask);
 
 static void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev)