diff --git a/services/surfaceflinger/common/FlagManager.cpp b/services/surfaceflinger/common/FlagManager.cpp
index 658bca6..992c6b0 100644
--- a/services/surfaceflinger/common/FlagManager.cpp
+++ b/services/surfaceflinger/common/FlagManager.cpp
@@ -157,6 +157,7 @@
     DUMP_READ_ONLY_FLAG(trace_frame_rate_override);
     DUMP_READ_ONLY_FLAG(true_hdr_screenshots);
     DUMP_READ_ONLY_FLAG(display_config_error_hal);
+    DUMP_READ_ONLY_FLAG(connected_display_hdr);
 
 #undef DUMP_READ_ONLY_FLAG
 #undef DUMP_SERVER_FLAG
@@ -262,6 +263,7 @@
 FLAG_MANAGER_READ_ONLY_FLAG(single_hop_screenshot, "");
 FLAG_MANAGER_READ_ONLY_FLAG(true_hdr_screenshots, "debug.sf.true_hdr_screenshots");
 FLAG_MANAGER_READ_ONLY_FLAG(display_config_error_hal, "");
+FLAG_MANAGER_READ_ONLY_FLAG(connected_display_hdr, "");
 
 /// Trunk stable server flags ///
 FLAG_MANAGER_SERVER_FLAG(refresh_rate_overlay_on_external_display, "")
diff --git a/services/surfaceflinger/common/include/common/FlagManager.h b/services/surfaceflinger/common/include/common/FlagManager.h
index 4f34718..3ab6538 100644
--- a/services/surfaceflinger/common/include/common/FlagManager.h
+++ b/services/surfaceflinger/common/include/common/FlagManager.h
@@ -95,6 +95,7 @@
     bool trace_frame_rate_override() const;
     bool true_hdr_screenshots() const;
     bool display_config_error_hal() const;
+    bool connected_display_hdr() const;
 
 protected:
     // overridden for unit tests
diff --git a/services/surfaceflinger/surfaceflinger_flags_new.aconfig b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
index f758879..cfeaa7d 100644
--- a/services/surfaceflinger/surfaceflinger_flags_new.aconfig
+++ b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
@@ -49,6 +49,14 @@
 } # commit_not_composited
 
 flag {
+  name: "connected_display_hdr"
+  namespace: "core_graphics"
+  description: "enable connected display hdr capability"
+  bug: "374182788"
+  is_fixed_read_only: true
+} # connected_display_hdr
+
+flag {
   name: "correct_dpi_with_display_size"
   namespace: "core_graphics"
   description: "indicate whether missing or likely incorrect dpi should be corrected using the display size."