diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index 6f1a7ae..c986b82 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -130,6 +130,19 @@
     return 1; // keep the callback
 }
 
+void DisplayEventDispatcher::populateFrameTimelines(const DisplayEventReceiver::Event& event,
+                                                    VsyncEventData* outVsyncEventData) const {
+    for (size_t i = 0; i < DisplayEventReceiver::kFrameTimelinesLength; i++) {
+        DisplayEventReceiver::Event::VSync::FrameTimeline receiverTimeline =
+                event.vsync.frameTimelines[i];
+        outVsyncEventData->frameTimelines[i] = {.id = receiverTimeline.vsyncId,
+                                                .deadlineTimestamp =
+                                                        receiverTimeline.deadlineTimestamp,
+                                                .expectedPresentTime =
+                                                        receiverTimeline.expectedVSyncTimestamp};
+    }
+}
+
 bool DisplayEventDispatcher::processPendingEvents(nsecs_t* outTimestamp,
                                                   PhysicalDisplayId* outDisplayId,
                                                   uint32_t* outCount,
@@ -154,6 +167,9 @@
                     outVsyncEventData->deadlineTimestamp = ev.vsync.deadlineTimestamp;
                     outVsyncEventData->frameInterval = ev.vsync.frameInterval;
                     outVsyncEventData->expectedPresentTime = ev.vsync.expectedVSyncTimestamp;
+                    outVsyncEventData->preferredFrameTimelineIndex =
+                            ev.vsync.preferredFrameTimelineIndex;
+                    populateFrameTimelines(ev, outVsyncEventData);
                     break;
                 case DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG:
                     dispatchHotplug(ev.header.timestamp, ev.header.displayId, ev.hotplug.connected);
diff --git a/libs/gui/include/gui/DisplayEventDispatcher.h b/libs/gui/include/gui/DisplayEventDispatcher.h
index f3bd139..92c89b8 100644
--- a/libs/gui/include/gui/DisplayEventDispatcher.h
+++ b/libs/gui/include/gui/DisplayEventDispatcher.h
@@ -17,6 +17,7 @@
 #include <gui/DisplayEventReceiver.h>
 #include <utils/Log.h>
 #include <utils/Looper.h>
+#include <array>
 
 namespace android {
 using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
@@ -36,6 +37,26 @@
 
     // The anticipated Vsync present time.
     int64_t expectedPresentTime = 0;
+
+    struct FrameTimeline {
+        // The Vsync Id corresponsing to this vsync event. This will be used to
+        // populate ISurfaceComposer::setFrameTimelineVsync and
+        // SurfaceComposerClient::setFrameTimelineVsync
+        int64_t id = FrameTimelineInfo::INVALID_VSYNC_ID;
+
+        // The deadline in CLOCK_MONOTONIC that the app needs to complete its
+        // frame by (both on the CPU and the GPU)
+        int64_t deadlineTimestamp = std::numeric_limits<int64_t>::max();
+
+        // The anticipated Vsync present time.
+        int64_t expectedPresentTime = 0;
+    };
+
+    // Sorted possible frame timelines.
+    std::array<FrameTimeline, DisplayEventReceiver::kFrameTimelinesLength> frameTimelines;
+
+    // Index into the frameTimelines that represents the platform's preferred frame timeline.
+    size_t preferredFrameTimelineIndex = std::numeric_limits<size_t>::max();
 };
 
 class DisplayEventDispatcher : public LooperCallback {
@@ -77,5 +98,8 @@
 
     bool processPendingEvents(nsecs_t* outTimestamp, PhysicalDisplayId* outDisplayId,
                               uint32_t* outCount, VsyncEventData* outVsyncEventData);
+
+    void populateFrameTimelines(const DisplayEventReceiver::Event& event,
+                                VsyncEventData* outVsyncEventData) const;
 };
 } // namespace android
diff --git a/libs/gui/include/gui/DisplayEventReceiver.h b/libs/gui/include/gui/DisplayEventReceiver.h
index 0dffbde..ca36843 100644
--- a/libs/gui/include/gui/DisplayEventReceiver.h
+++ b/libs/gui/include/gui/DisplayEventReceiver.h
@@ -49,6 +49,9 @@
 // ----------------------------------------------------------------------------
 class DisplayEventReceiver {
 public:
+    // Max amount of frame timelines is arbitrarily set to be reasonable.
+    static constexpr int64_t kFrameTimelinesLength = 7;
+
     enum {
         DISPLAY_EVENT_VSYNC = fourcc('v', 's', 'y', 'n'),
         DISPLAY_EVENT_HOTPLUG = fourcc('p', 'l', 'u', 'g'),
@@ -77,6 +80,12 @@
             nsecs_t deadlineTimestamp __attribute__((aligned(8)));
             nsecs_t frameInterval __attribute__((aligned(8)));
             int64_t vsyncId;
+            size_t preferredFrameTimelineIndex __attribute__((aligned(8)));
+            struct FrameTimeline {
+                nsecs_t expectedVSyncTimestamp __attribute__((aligned(8)));
+                nsecs_t deadlineTimestamp __attribute__((aligned(8)));
+                int64_t vsyncId;
+            } frameTimelines[kFrameTimelinesLength];
         };
 
         struct Hotplug {