diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index c42b9809f86de5c21fefd55cb12e5c458fbc1d1b..46c90f532f9cfccb1388d25840d11d01ca514ea1 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -235,7 +235,11 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
 	}
 
-	adpa = ADPA_HOTPLUG_BITS;
+	if (HAS_PCH_SPLIT(dev))
+		adpa = ADPA_HOTPLUG_BITS;
+	else
+		adpa = 0;
+
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
 		adpa |= ADPA_HSYNC_ACTIVE_HIGH;
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)