diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr_internal.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr_internal.h
index 4b5505fa980c..213046de1675 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr_internal.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr_internal.h
@@ -216,6 +216,8 @@ struct clk_mgr_internal {
 	bool dfs_bypass_enabled;
 	/* True if the DFS-bypass feature is enabled and active. */
 	bool dfs_bypass_active;
+
+	uint32_t dfs_ref_freq_khz;
 	/*
 	 * Cache the display clock returned by VBIOS if DFS-bypass is enabled.
 	 * This is basically "Crystal Frequency In KHz" (XTALIN) frequency