diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 2197ba2ef2fd..997063375542 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -429,6 +429,9 @@ hblank_expansion_quirk_needs_dsc(const struct intel_connector *connector,
 	if (mode_hblank_period_ns(adjusted_mode) > 300)
 		return false;
 
+	if (!intel_dp_mst_dsc_get_slice_count(connector, crtc_state))
+		return false;
+
 	return true;
 }