diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 2822ae11600343ba0b3d42ee25d375e387398d88..1a2ff3e1cb68fdef77f4012f04a0536715256baa 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -467,6 +467,9 @@ hblank_expansion_quirk_needs_dsc(const struct intel_connector *connector,
 	if (mode_hblank_period_ns(adjusted_mode) > hblank_limit)
 		return false;
 
+	if (!intel_dp_mst_dsc_get_slice_count(connector, crtc_state))
+		return false;
+
 	return true;
 }