diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index d50ea62fa2f3..347c3f6c5ae7 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -735,11 +735,11 @@ static bool amd_pmc_want_suspend_delay(struct amd_pmc_dev *pdev)
 	} else if (delay_suspend == 1) {
 		if (!intermediate_wakeup)
 			dev_info(pdev->dev, "Delaying suspend by 2.5s because delay_suspend=1. If this solves problems on your machine, please report this whole line to: platform-driver-x86@vger.kernel.org so it can be automatically detected as affected in the future. System Vendor: \"%s\" Product Name: \"%s\" Product Family: \"%s\" Board Vendor: \"%s\" Board Name: \"%s\"\n",
-				 dmi_get_system_info(DMI_SYS_VENDOR),
-				 dmi_get_system_info(DMI_PRODUCT_NAME),
-				 dmi_get_system_info(DMI_PRODUCT_FAMILY),
-				 dmi_get_system_info(DMI_BOARD_VENDOR),
-				 dmi_get_system_info(DMI_BOARD_NAME));
+				 dmi_get_system_info(DMI_SYS_VENDOR) ?: "(Unknown)",
+				 dmi_get_system_info(DMI_PRODUCT_NAME) ?: "(Unknown)",
+				 dmi_get_system_info(DMI_PRODUCT_FAMILY) ?: "(Unknown)",
+				 dmi_get_system_info(DMI_BOARD_VENDOR) ?: "(Unknown)",
+				 dmi_get_system_info(DMI_BOARD_NAME) ?: "(Unknown)");
 		return true;
 	}
 	return false;