diff --git a/hwc3/ComposerClient.cpp b/hwc3/ComposerClient.cpp
index 0d3f9c0..b8128f0 100644
--- a/hwc3/ComposerClient.cpp
+++ b/hwc3/ComposerClient.cpp
@@ -30,6 +30,7 @@
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayRequest.h>
 #include <aidl/android/hardware/graphics/composer3/IComposerClient.h>
+#include <aidl/android/hardware/graphics/composer3/Luts.h>
 #include <aidl/android/hardware/graphics/composer3/PowerMode.h>
 #include <aidl/android/hardware/graphics/composer3/PresentOrValidate.h>
 #include <aidl/android/hardware/graphics/composer3/RenderIntent.h>
@@ -591,6 +592,9 @@
   if (command.sidebandStream) {
     cmd_result_writer_->AddError(hwc3::Error::kUnsupported);
   }
+  if (command.luts) {
+    cmd_result_writer_->AddError(hwc3::Error::kUnsupported);
+  }
   // TODO: Blocking region handling missing.
   // TODO: Layer surface damage.
   // TODO: Layer visible region.
@@ -1297,8 +1301,22 @@
   return ToBinderStatus(hwc3::Error::kUnsupported);
 }
 
+ndk::ScopedAStatus ComposerClient::startHdcpNegotiation(
+    int64_t /*display*/, const AidlHdcpLevels& /*levels*/) {
+  return ToBinderStatus(hwc3::Error::kUnsupported);
+}
+
 #endif
 
+ndk::ScopedAStatus ComposerClient::getMaxLayerPictureProfiles(int64_t, int32_t*) {
+  return ToBinderStatus(hwc3::Error::kUnsupported);
+}
+
+ndk::ScopedAStatus ComposerClient::getLuts(int64_t, const std::vector<Buffer>&,
+    std::vector<Luts>*) {
+  return ToBinderStatus(hwc3::Error::kUnsupported);
+}
+
 std::string ComposerClient::Dump() {
   uint32_t size = 0;
   hwc_->Dump(&size, nullptr);
diff --git a/hwc3/ComposerClient.h b/hwc3/ComposerClient.h
index 20d15b4..2595203 100644
--- a/hwc3/ComposerClient.h
+++ b/hwc3/ComposerClient.h
@@ -25,6 +25,7 @@
 #include "hwc3/Utils.h"
 #include "utils/Mutex.h"
 
+using AidlHdcpLevels = aidl::android::hardware::drm::HdcpLevels;
 using AidlPixelFormat = aidl::android::hardware::graphics::common::PixelFormat;
 using AidlNativeHandle = aidl::android::hardware::common::NativeHandle;
 
@@ -154,9 +155,16 @@
   ndk::ScopedAStatus notifyExpectedPresent(
       int64_t display, const ClockMonotonicTimestamp& expected_present_time,
       int32_t frame_interval_ns) override;
+  ndk::ScopedAStatus startHdcpNegotiation(int64_t display,
+      const AidlHdcpLevels& levels) override;
 
 #endif
 
+  ndk::ScopedAStatus getMaxLayerPictureProfiles(
+      int64_t display, int32_t* maxProfiles) override;
+  ndk::ScopedAStatus getLuts(int64_t, const std::vector<Buffer>&,
+                             std::vector<Luts>* out_luts) override;
+
  protected:
   ::ndk::SpAIBinder createBinder() override;