diff --git a/arm11/source/smp.c b/arm11/source/smp.c
index f87ebe2..f2d9ab2 100644
--- a/arm11/source/smp.c
+++ b/arm11/source/smp.c
@@ -31,6 +31,11 @@ static void wait_cycles(unsigned short cycles)
 
 static void set_clock(short socmode)
 {
+	set_pdn_lgr_socmode(get_pdn_lgr_socmode());
+
+	if ((get_pdn_lgr_socmode() & 7) == socmode)
+		return;
+
 	set_pdn_lgr_socmode(socmode);
 
 	// Loop until the ACK bit is set.
@@ -95,7 +100,7 @@ static void online_cores23(void)
 	scu_set_cpu_stat(scu_get_cpu_stat() & 0x0F);
 	downclock();
 	setup_overlays();
-	upclock();
+	// upclock();
 	gic_send_swi(2, 2);
 	gic_send_swi(3, 3);
 }