diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 422c57b..4b53134 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -664,6 +664,10 @@
         what |= eShadowRadiusChanged;
         shadowRadius = other.shadowRadius;
     }
+    if (other.what & eLutsChanged) {
+        what |= eLutsChanged;
+        luts = other.luts;
+    }
     if (other.what & eDefaultFrameRateCompatibilityChanged) {
         what |= eDefaultFrameRateCompatibilityChanged;
         defaultFrameRateCompatibility = other.defaultFrameRateCompatibility;
@@ -821,6 +825,8 @@
     CHECK_DIFF(diff, eColorSpaceAgnosticChanged, other, colorSpaceAgnostic);
     CHECK_DIFF(diff, eDimmingEnabledChanged, other, dimmingEnabled);
     if (other.what & eBufferReleaseChannelChanged) diff |= eBufferReleaseChannelChanged;
+    if (other.what & eLutsChanged) diff |= eLutsChanged;
+
     return diff;
 }
 
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 063aabb..ebad069 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -29,6 +29,7 @@
 #include <android/gui/IWindowInfosListener.h>
 #include <android/gui/TrustedPresentationThresholds.h>
 #include <android/os/IInputConstants.h>
+#include <gui/DisplayLuts.h>
 #include <gui/FrameRateUtils.h>
 #include <gui/TraceUtils.h>
 #include <utils/Errors.h>
@@ -1940,15 +1941,19 @@
 }
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setLuts(
-        const sp<SurfaceControl>& sc, const base::unique_fd& /*lutFd*/,
-        const std::vector<int32_t>& /*offsets*/, const std::vector<int32_t>& /*dimensions*/,
-        const std::vector<int32_t>& /*sizes*/, const std::vector<int32_t>& /*samplingKeys*/) {
+        const sp<SurfaceControl>& sc, const base::unique_fd& lutFd,
+        const std::vector<int32_t>& offsets, const std::vector<int32_t>& dimensions,
+        const std::vector<int32_t>& sizes, const std::vector<int32_t>& samplingKeys) {
     layer_state_t* s = getLayerState(sc);
     if (!s) {
         mStatus = BAD_INDEX;
         return *this;
     }
-    // TODO (b/329472856): update layer_state_t for lut(s)
+
+    s->luts = std::make_shared<gui::DisplayLuts>(base::unique_fd(dup(lutFd.get())), offsets,
+                                                 dimensions, sizes, samplingKeys);
+    s->what |= layer_state_t::eLutsChanged;
+
     registerSurfaceControlForCallback(sc);
     return *this;
 }
diff --git a/libs/gui/aidl/android/gui/Lut.aidl b/libs/gui/aidl/android/gui/Lut.aidl
deleted file mode 100644
index a06e521..0000000
--- a/libs/gui/aidl/android/gui/Lut.aidl
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.gui;
-
-import android.gui.LutProperties;
-import android.os.ParcelFileDescriptor;
-
-/**
- * This mirrors aidl::android::hardware::graphics::composer3::Lut definition
- * @hide
- */
-parcelable Lut {
-    @nullable ParcelFileDescriptor pfd;
-
-    LutProperties lutProperties;
-}
\ No newline at end of file
diff --git a/libs/gui/aidl/android/gui/LutProperties.aidl b/libs/gui/aidl/android/gui/LutProperties.aidl
index 561e0c0..87b878c 100644
--- a/libs/gui/aidl/android/gui/LutProperties.aidl
+++ b/libs/gui/aidl/android/gui/LutProperties.aidl
@@ -25,7 +25,7 @@
     enum Dimension { ONE_D = 1, THREE_D = 3 }
     Dimension dimension;
 
-    long size;
+    int size;
     @Backing(type="int")
     enum SamplingKey { RGB, MAX_RGB }
     SamplingKey[] samplingKeys;
diff --git a/libs/gui/include/gui/DisplayLuts.h b/libs/gui/include/gui/DisplayLuts.h
new file mode 100644
index 0000000..16a360d
--- /dev/null
+++ b/libs/gui/include/gui/DisplayLuts.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <android-base/unique_fd.h>
+#include <vector>
+
+namespace android::gui {
+
+struct DisplayLuts {
+public:
+    struct Entry {
+        int32_t dimension;
+        int32_t size;
+        int32_t samplingKey;
+    };
+
+    DisplayLuts() {}
+
+    DisplayLuts(base::unique_fd lutfd, std::vector<int32_t> lutoffsets,
+                std::vector<int32_t> lutdimensions, std::vector<int32_t> lutsizes,
+                std::vector<int32_t> lutsamplingKeys) {
+        fd = std::move(lutfd);
+        offsets = lutoffsets;
+        lutProperties.reserve(offsets.size());
+        for (size_t i = 0; i < lutoffsets.size(); i++) {
+            Entry entry{lutdimensions[i], lutsizes[i], lutsamplingKeys[i]};
+            lutProperties.emplace_back(entry);
+        }
+    }
+
+    base::unique_fd& getLutFileDescriptor() { return fd; }
+
+    std::vector<Entry> lutProperties;
+    std::vector<int32_t> offsets;
+
+private:
+    base::unique_fd fd;
+}; // struct DisplayLuts
+
+} // namespace android::gui
\ No newline at end of file
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 00065c8..6bfeaec 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -26,6 +26,7 @@
 #include <android/gui/LayerCaptureArgs.h>
 #include <android/gui/TrustedPresentationThresholds.h>
 #include <android/native_window.h>
+#include <gui/DisplayLuts.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ITransactionCompletedListener.h>
 #include <math/mat4.h>
@@ -184,6 +185,7 @@
         eCachingHintChanged = 0x00000200,
         eDimmingEnabledChanged = 0x00000400,
         eShadowRadiusChanged = 0x00000800,
+        eLutsChanged = 0x00001000,
         eBufferCropChanged = 0x00002000,
         eRelativeLayerChanged = 0x00004000,
         eReparent = 0x00008000,
@@ -255,7 +257,7 @@
             layer_state_t::eTransformToDisplayInverseChanged |
             layer_state_t::eTransparentRegionChanged |
             layer_state_t::eExtendedRangeBrightnessChanged |
-            layer_state_t::eDesiredHdrHeadroomChanged;
+            layer_state_t::eDesiredHdrHeadroomChanged | layer_state_t::eLutsChanged;
 
     // Content updates.
     static constexpr uint64_t CONTENT_CHANGES = layer_state_t::BUFFER_CHANGES |
@@ -416,6 +418,8 @@
     TrustedPresentationListener trustedPresentationListener;
 
     std::shared_ptr<gui::BufferReleaseChannel::ProducerEndpoint> bufferReleaseChannel;
+
+    std::shared_ptr<gui::DisplayLuts> luts;
 };
 
 class ComposerState {