From 43a405413bf385eed556f95d62d4e891cb52877f Mon Sep 17 00:00:00 2001
From: Davide Pesavento <davidepesa@gmail.com>
Date: Fri, 2 Jan 2026 21:24:40 -0500
Subject: [PATCH] PlatformMisc: Fix screensaver inhibition on macOS (#3674)

---
 src/util/platform_misc_mac.mm   | 15 ++++++++-------
 src/util/platform_misc_unix.cpp |  2 +-
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/util/platform_misc_mac.mm b/src/util/platform_misc_mac.mm
index 25f4b4043..c09f879a7 100644
--- a/src/util/platform_misc_mac.mm
+++ b/src/util/platform_misc_mac.mm
@@ -34,7 +34,7 @@ static bool SetScreensaverInhibitMacOS(bool inhibit)
 {
   if (inhibit)
   {
-    const CFStringRef reason = CFSTR("System Running");
+    const CFStringRef reason = CFSTR("DuckStation System Running");
     if (IOPMAssertionCreateWithName(kIOPMAssertionTypePreventUserIdleDisplaySleep, kIOPMAssertionLevelOn, reason,
                                     &s_prevent_idle_assertion) != kIOReturnSuccess)
     {
@@ -52,17 +52,18 @@ static bool SetScreensaverInhibitMacOS(bool inhibit)
   }
 }
 
-static bool s_screensaver_suspended;
+static bool s_screensaver_suspended = false;
 
 void PlatformMisc::SuspendScreensaver()
 {
   if (s_screensaver_suspended)
+    return;
 
-    if (!SetScreensaverInhibitMacOS(true))
-    {
-      ERROR_LOG("Failed to suspend screensaver.");
-      return;
-    }
+  if (!SetScreensaverInhibitMacOS(true))
+  {
+    ERROR_LOG("Failed to suspend screensaver.");
+    return;
+  }
 
   s_screensaver_suspended = true;
 }
diff --git a/src/util/platform_misc_unix.cpp b/src/util/platform_misc_unix.cpp
index 1b7bbaf17..3dc9aa6ca 100644
--- a/src/util/platform_misc_unix.cpp
+++ b/src/util/platform_misc_unix.cpp
@@ -169,7 +169,7 @@ static bool SetScreensaverInhibit(bool inhibit)
   return SetScreensaverInhibitDBus(inhibit, "DuckStation", "DuckStation VM is running.");
 }
 
-static bool s_screensaver_suspended;
+static bool s_screensaver_suspended = false;
 
 void PlatformMisc::SuspendScreensaver()
 {