SPU: Power consumption reduction when using SPU inaccurate reservations

RPCS3 · Sep 12, 2022 · 01649ab · 01649ab
1 parent 572a2a0
commit 01649ab
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/rpcs3/Emu/Cell/SPUThread.cpp b/rpcs3/Emu/Cell/SPUThread.cpp
@@ -4336,6 +4336,12 @@ s64 spu_thread::get_ch_value(u32 ch)
 						return true;
 					});
 
+					if (raddr - spurs_addr <= 0x80 && !g_cfg.core.spu_accurate_reservations && mask1 == SPU_EVENT_LR)
+					{
+						thread_ctrl::wait_on(vm::reservation_notifier(raddr), rtime, -128);
+						continue;	
+					}
+
 					vm::reservation_notifier(raddr).wait(rtime, -128, atomic_wait_timeout{80'000});
 				}
 				else