diff --git a/properties/vendor.prop b/properties/vendor.prop
index c7a9a68..b53d7d1 100644
--- a/properties/vendor.prop
+++ b/properties/vendor.prop
@@ -237,6 +237,8 @@ debug.hwui.target_cpu_time_percent=20
 debug.sf.disable_client_composition_cache=1
 debug.sf.enable_advanced_sf_phase_offset=1
 debug.sf.enable_gl_backpressure=0
+debug.sf.latch_unsignaled=1
+debug.sf.auto_latch_unsignaled=0
 debug.sf.enable_transaction_tracing=false
 debug.sf.high_fps_early_gl_phase_offset_ns=-4000000
 debug.sf.high_fps_early_phase_offset_ns=-4000000