diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 41842ff7d90f..1667a829e708 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -39,7 +39,6 @@
 #include "intel_dmc.h"
 #include "intel_dmc_regs.h"
 #include "intel_flipq.h"
-#include "intel_step.h"
 
 /**
  * DOC: DMC Firmware Support
@@ -420,10 +419,10 @@ bool intel_dmc_has_payload(struct intel_display *display)
 
 static void initialize_stepping_info(struct intel_display *display, struct stepping_info *si)
 {
-	const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(display));
+	const char *step_name = DISPLAY_RUNTIME_INFO(display)->step_name;
 
-	si->stepping = step_name[0];
-	si->substepping = step_name[1];
+	si->stepping = step_name[0] ?: '*';
+	si->substepping = step_name[1] ?: '*';
 }
 
 static void gen9_set_dc_state_debugmask(struct intel_display *display)