diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 4bdff29..fcead9f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1414,6 +1414,8 @@
     return future.get();
 }
 
+// TODO: b/241285876 - Restore thread safety analysis once mStateLock below is unconditional.
+[[clang::no_thread_safety_analysis]]
 void SurfaceFlinger::finalizeDisplayModeChange(PhysicalDisplayId displayId) {
     ATRACE_NAME(ftl::Concat(__func__, ' ', displayId.value).c_str());
 
@@ -1429,7 +1431,7 @@
     if (const auto oldResolution =
                 mDisplayModeController.getActiveMode(displayId).modePtr->getResolution();
         oldResolution != activeMode.modePtr->getResolution()) {
-        Mutex::Autolock lock(mStateLock);
+        ConditionalLock lock(mStateLock, !FlagManager::getInstance().connected_display());
 
         auto& state = mCurrentState.displays.editValueFor(getPhysicalDisplayTokenLocked(displayId));
         // We need to generate new sequenceId in order to recreate the display (and this
@@ -1483,7 +1485,7 @@
 
     std::optional<PhysicalDisplayId> displayToUpdateImmediately;
 
-    for (const auto& [displayId, physical] : FTL_FAKE_GUARD(mStateLock, mPhysicalDisplays)) {
+    for (const auto& [displayId, physical] : mPhysicalDisplays) {
         auto desiredModeOpt = mDisplayModeController.getDesiredMode(displayId);
         if (!desiredModeOpt) {
             continue;
@@ -2618,9 +2620,13 @@
         return false;
     }
 
-    for (const auto [displayId, _] : frameTargets) {
-        if (mDisplayModeController.isModeSetPending(displayId)) {
-            finalizeDisplayModeChange(displayId);
+    {
+        ConditionalLock lock(mStateLock, FlagManager::getInstance().connected_display());
+
+        for (const auto [displayId, _] : frameTargets) {
+            if (mDisplayModeController.isModeSetPending(displayId)) {
+                finalizeDisplayModeChange(displayId);
+            }
         }
     }
 
@@ -2719,9 +2725,16 @@
                                                         ? &mLayerHierarchyBuilder.getHierarchy()
                                                         : nullptr,
                                                 updateAttachedChoreographer);
+
+        if (FlagManager::getInstance().connected_display()) {
+            initiateDisplayModeChanges();
+        }
     }
 
-    initiateDisplayModeChanges();
+    if (!FlagManager::getInstance().connected_display()) {
+        ftl::FakeGuard guard(mStateLock);
+        initiateDisplayModeChanges();
+    }
 
     updateCursorAsync();
     if (!mustComposite) {