diff --git a/.ci/Dockerfile b/.ci/Dockerfile
index 9dfe3d3..a9e2242 100644
--- a/.ci/Dockerfile
+++ b/.ci/Dockerfile
@@ -41,10 +41,10 @@
 USER ${RUN_USER}
 
 # Install aospless package (produced by GloDroid/aospext)
-RUN wget -P ${USER_HOME} https://gitlab.freedesktop.org/-/project/5/uploads/70643bd1c4d419015b9930b7aadc9cfd/aospless_drm_hwcomposer_arm64.tar.xz && \
+RUN wget -P ${USER_HOME} https://gitlab.freedesktop.org/-/project/5/uploads/97f99b51143107ba02a51cf1c0ddb542/aospless_drm_hwcomposer_arm64.tar.xz && \
     cd ${USER_HOME} && \
     sha256sum aospless_drm_hwcomposer_arm64.tar.xz && \
-    (echo 640e0d0e04761c804db69f880e0c0957699babdbe82c72c507177b860d878569 aospless_drm_hwcomposer_arm64.tar.xz | sha256sum --check) && \
+    (echo dae29adb121f51e59c95fb7b29e0f7aed5b2983d10c7f1d5f1b9fd551c4bbb47 aospless_drm_hwcomposer_arm64.tar.xz | sha256sum --check) && \
     tar xf aospless_drm_hwcomposer_arm64.tar.xz && ln -s ../drm_hwcomposer/ ${USER_HOME}/aospless/src
 
 # Create project path
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b045da8..9f3d022 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@
     - cd ..
     - rm -f aospless_drm_hwcomposer_arm64.tar.xz
     - rm -rf aospless/*
-    - wget https://gitlab.freedesktop.org/-/project/5/uploads/70643bd1c4d419015b9930b7aadc9cfd/aospless_drm_hwcomposer_arm64.tar.xz
+    - wget https://gitlab.freedesktop.org/-/project/5/uploads/97f99b51143107ba02a51cf1c0ddb542/aospless_drm_hwcomposer_arm64.tar.xz
     - tar xf aospless_drm_hwcomposer_arm64.tar.xz
     - rm -rf aospless/src
     - ln -s ../drm-hwcomposer/ aospless/src
@@ -44,7 +44,7 @@
     - cd ..
     - rm -f aospless_drm_hwcomposer_arm64.tar.xz
     - rm -rf aospless/*
-    - wget https://gitlab.freedesktop.org/-/project/5/uploads/70643bd1c4d419015b9930b7aadc9cfd/aospless_drm_hwcomposer_arm64.tar.xz
+    - wget https://gitlab.freedesktop.org/-/project/5/uploads/97f99b51143107ba02a51cf1c0ddb542/aospless_drm_hwcomposer_arm64.tar.xz
     - tar xf aospless_drm_hwcomposer_arm64.tar.xz
     - cd -
     - make -j$(nproc) -k -f .ci/Makefile
diff --git a/hwc2_device/HwcDisplay.cpp b/hwc2_device/HwcDisplay.cpp
index 60861af..3469c85 100644
--- a/hwc2_device/HwcDisplay.cpp
+++ b/hwc2_device/HwcDisplay.cpp
@@ -1047,20 +1047,21 @@
   if (type_ == HWC2::DisplayType::Virtual) {
     return HWC2::Error::None;
   }
+  if (!vsync_worker_) {
+    return HWC2::Error::NoResources;
+  }
 
   vsync_event_en_ = HWC2_VSYNC_ENABLE == enabled;
-
+  std::optional<VSyncWorker::VsyncTimestampCallback> callback = std::nullopt;
   if (vsync_event_en_) {
     DrmHwc *hwc = hwc_;
     hwc2_display_t id = handle_;
     // Callback will be called from the vsync thread.
-    auto callback = [hwc, id](int64_t timestamp, uint32_t period_ns) {
+    callback = [hwc, id](int64_t timestamp, uint32_t period_ns) {
       hwc->SendVsyncEventToClient(id, timestamp, period_ns);
     };
-    vsync_worker_->SetTimestampCallback(callback);
-  } else {
-    vsync_worker_->SetTimestampCallback(std::nullopt);
   }
+  vsync_worker_->SetTimestampCallback(std::move(callback));
   return HWC2::Error::None;
 }
 
diff --git a/meson.build b/meson.build
index 8cfbbc8..97474e2 100644
--- a/meson.build
+++ b/meson.build
@@ -45,6 +45,12 @@
     '-DUSE_IMAPPER4_METADATA_API',
 ]
 
+dep_libdisplay_info = dependency('display_info', required : false)
+if dep_libdisplay_info.found()
+  common_cpp_flags += '-DHAS_LIBDISPLAY_INFO'
+  deps += dep_libdisplay_info
+endif
+
 hwc2_cpp_flags = [
     '-DHWC2_INCLUDE_STRINGIFICATION',
     '-DHWC2_USE_CPP11',