diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 0f5dbd4349910..0e99cb22362cf 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -783,6 +783,7 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv)
 
 	pre |= IS_HSW_EARLY_SDV(dev_priv);
 	pre |= IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0);
+	pre |= IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST);
 
 	if (pre) {
 		DRM_ERROR("This is a pre-production stepping. "