diff --git a/userspace/files/weston.service b/userspace/files/weston.service
index b05d090..08bb7e0 100644
--- a/userspace/files/weston.service
+++ b/userspace/files/weston.service
@@ -15,9 +15,8 @@ TTYReset=yes
 TTYVHangup=yes
 TTYVTDisallocate=yes
 
-# TODO: brightness setting doesn't work without this
-ExecStartPre=/bin/bash -c "[ -d /sys/firmware/devicetree/base/soc/qcom,mdss_mdp@ae00000/qcom,mdss_dsi_mate10_lite_video ] && \
-                           /usr/comma/modetest -M msm_drm -s 26:1080x2160-60 && \
+# TODO: DCS commands (e.g. brightness setting) don't work without this on tizi
+ExecStartPre=/bin/bash -c "/usr/comma/modetest -M msm_drm -s 26:1080x2160-60 && \
                            sleep 1"
 
 ExecStartPre=/bin/bash -c "mkdir -p $XDG_RUNTIME_DIR"
diff --git a/userspace/usr/comma/tests/benchmark_weston.py b/userspace/usr/comma/tests/benchmark_weston.py
new file mode 100755
index 0000000..7ae0d99
--- /dev/null
+++ b/userspace/usr/comma/tests/benchmark_weston.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+import os
+import time
+import subprocess
+
+def run(cmd):
+  subprocess.check_call(cmd, shell=True)
+
+def timestamp_cmd(cmd):
+  cnt = 0
+  while True:
+    cnt += 1
+    print("try ", cnt)
+    run("sudo chmod -R 770 /var/tmp/weston/")
+    proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    t = time.monotonic()
+    time.sleep(0.5)
+    r = proc.poll()
+    if r is not None:
+      continue
+    break
+    print("r", r)
+  return t
+
+if __name__ == "__main__":
+
+  run("sudo systemctl stop weston")
+  run("sudo rm -rf /var/tmp/weston/wayland-0")
+  time.sleep(0.5)
+  #run("sudo systemctl restart weston-ready")
+
+  run("sudo systemctl restart weston --no-block")
+  st = time.monotonic()
+  #ts = defaultdict()
+
+  cnt = 0
+  while not os.path.exists("/var/tmp/weston/wayland-0"):
+    time.sleep(0.1)
+    cnt += 1
+  t = time.monotonic()
+  print(f"- socket at {t - st:.2f}s")
+
+  t = timestamp_cmd('/usr/comma/setup')
+  print(f"- setup works {t - st:.2f}s")
+
+  t = timestamp_cmd('cd /data/openpilot/selfdrive/ui/ && ./spinner')
+  print(f"- spinner works {t - st:.2f}s")