diff --git a/src/mainboard/siemens/mc_tcu3/ptn3460.c b/src/mainboard/siemens/mc_tcu3/ptn3460.c
index cd59492582..347bc9ca37 100644
--- a/src/mainboard/siemens/mc_tcu3/ptn3460.c
+++ b/src/mainboard/siemens/mc_tcu3/ptn3460.c
@@ -58,11 +58,6 @@ int ptn3460_init(char *hwi_block)
 			hwi_block);
 		return 1;
 	}
-	if (hwilib_get_field(HWID, hwid, sizeof(hwid)) != sizeof(hwid)) {
-		printk(BIOS_ERR, "LCD: Missing HW-ID from %s\n",
-			hwi_block);
-		return 1;
-	}
 	/* Here, all the desired information for setting up DP2LVDS converter*/
 	/* are present. Inside the converter, table 6 will be used for */
 	/* the timings. */
@@ -85,10 +80,12 @@ int ptn3460_init(char *hwi_block)
 		cfg.lvds_interface_ctrl1 |= 0x20; /* Use 18 bits per pixel */
 
 	cfg.lvds_interface_ctrl2 = 0x03;  /* no clock spreading, 300 mV LVDS swing */
-	if (memcmp(hwid, tcu31_hwid, sizeof(hwid)))
-		cfg.lvds_interface_ctrl3 = 0x00;  /* no LVDS signal swap */
-	else
+	/* Swap LVDS even and odd lanes for HW-ID 7.9.2.0 only. */
+	if (hwilib_get_field(HWID, hwid, sizeof(hwid)) == sizeof(hwid) &&
+	    !(memcmp(hwid, tcu31_hwid, sizeof(hwid)))) {
 		cfg.lvds_interface_ctrl3 = 0x01;  /* swap LVDS even and odd */
+	} else
+		cfg.lvds_interface_ctrl3 = 0x00;  /* no LVDS signal swap */
 	cfg.t2_delay = 1;		  /* Delay T2 (VDD to LVDS active) by 16 ms */
 	cfg.t3_timing = 10;		  /* 500 ms from LVDS to backlight active */
 	cfg.t12_timing = 20;		  /* 1 second re-power delay */