From aac9d9ecf427afcfe727d569e561a29ee3d9a1f3 Mon Sep 17 00:00:00 2001
From: Daniel Koepping <elkoled@gmail.com>
Date: Wed, 22 Jul 2026 10:25:58 -0700
Subject: [PATCH] ui: show eGPU icon when enumerated (#38407)

* ui: react to egpu hotplug instead of waiting for modeld params

* use chestnutPresent
---
 openpilot/common/params_keys.h        |  2 --
 openpilot/selfdrive/modeld/helpers.py |  5 +++++
 openpilot/selfdrive/modeld/modeld.py  | 10 +++-------
 openpilot/selfdrive/ui/ui_state.py    | 10 ++++++----
 4 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/openpilot/common/params_keys.h b/openpilot/common/params_keys.h
index 7ecac1c729..4565f3d5b2 100644
--- a/openpilot/common/params_keys.h
+++ b/openpilot/common/params_keys.h
@@ -126,7 +126,5 @@ inline static std::unordered_map<std::string, ParamKeyAttributes> keys = {
     {"UpdaterLastFetchTime", {PERSISTENT, TIME}},
     {"UptimeOffroad", {PERSISTENT, FLOAT, "0.0"}},
     {"UptimeOnroad", {PERSISTENT, FLOAT, "0.0"}},
-    {"UsbGpuPresent", {CLEAR_ON_MANAGER_START | CLEAR_ON_OFFROAD_TRANSITION, BOOL}},
-    {"UsbGpuCompiled", {CLEAR_ON_MANAGER_START | CLEAR_ON_OFFROAD_TRANSITION, BOOL}},
     {"Version", {PERSISTENT, STRING}},
 };
diff --git a/openpilot/selfdrive/modeld/helpers.py b/openpilot/selfdrive/modeld/helpers.py
index 7c322c5993..8516325140 100644
--- a/openpilot/selfdrive/modeld/helpers.py
+++ b/openpilot/selfdrive/modeld/helpers.py
@@ -6,6 +6,8 @@ import struct
 import tempfile
 from pathlib import Path
 
+from openpilot.common.file_chunker import get_manifest_path
+
 MODELS_DIR = Path(__file__).resolve().parent / 'models'
 TG_INPUT_DEVICES_PATH = MODELS_DIR / 'tg_input_devices.json'
 USBGPU_VID = 0xADD1
@@ -53,3 +55,6 @@ def usbgpu_present() -> bool:
     except Exception:
       pass
   return False
+
+def usbgpu_compiled() -> bool:
+  return Path(get_manifest_path(modeld_pkl_path(usbgpu=True))).is_file()
diff --git a/openpilot/selfdrive/modeld/modeld.py b/openpilot/selfdrive/modeld/modeld.py
index 41a1f44e5f..cd8740b462 100755
--- a/openpilot/selfdrive/modeld/modeld.py
+++ b/openpilot/selfdrive/modeld/modeld.py
@@ -22,9 +22,9 @@ from openpilot.selfdrive.controls.lib.drive_helpers import get_accel_from_plan,
 from openpilot.selfdrive.modeld.parse_model_outputs import Parser
 from openpilot.selfdrive.modeld.compile_modeld import make_input_queues, WARP_INPUTS, POLICY_INPUTS
 from openpilot.selfdrive.modeld.fill_model_msg import fill_model_msg, fill_driving_model_data, fill_pose_msg, PublishState
-from openpilot.common.file_chunker import open_file_chunked, get_manifest_path
+from openpilot.common.file_chunker import open_file_chunked
 from openpilot.selfdrive.modeld.constants import ModelConstants, Plan
-from openpilot.selfdrive.modeld.helpers import usbgpu_present, modeld_pkl_path, get_tg_input_devices, load_oob
+from openpilot.selfdrive.modeld.helpers import usbgpu_present, usbgpu_compiled, modeld_pkl_path, get_tg_input_devices, load_oob
 from openpilot.selfdrive.modeld.usbgpu_link import wait_usbgpu_link
 
 PROCESS_NAME = "openpilot.selfdrive.modeld.modeld"
@@ -137,12 +137,8 @@ class ModelState:
 def main(demo=False):
   cloudlog.warning("modeld init")
 
-  _present = usbgpu_present()
-  _compiled = os.path.isfile(get_manifest_path(modeld_pkl_path(usbgpu=True)))
-  USBGPU = _present and _compiled
+  USBGPU = usbgpu_present() and usbgpu_compiled()
   params = Params()
-  params.put_bool("UsbGpuPresent", _present)
-  params.put_bool("UsbGpuCompiled", _compiled)
 
   config_realtime_process(7, 54)
 
diff --git a/openpilot/selfdrive/ui/ui_state.py b/openpilot/selfdrive/ui/ui_state.py
index 78388593c8..7efcf2a7c9 100644
--- a/openpilot/selfdrive/ui/ui_state.py
+++ b/openpilot/selfdrive/ui/ui_state.py
@@ -12,6 +12,7 @@ from openpilot.common.swaglog import cloudlog
 from openpilot.selfdrive.ui.lib.prime_state import PrimeState
 from openpilot.system.ui.lib.application import gui_app
 from openpilot.common.hardware import HARDWARE, PC
+from openpilot.selfdrive.modeld.helpers import usbgpu_compiled
 
 BACKLIGHT_OFFROAD = 65 if HARDWARE.get_device_type() == "mici" else 50
 PARAM_UPDATE_TIME = 1 / 5.0
@@ -75,8 +76,8 @@ class UIState:
     self.is_release = self.params.get_bool("IsReleaseBranch")
     self.always_on_dm: bool = self.params.get_bool("AlwaysOnDM")
     self.experimental_mode: bool = self.params.get_bool("ExperimentalMode")
-    self.usbgpu: bool = self.params.get_bool("UsbGpuPresent")
-    self.usbgpu_compiled: bool = self.params.get_bool("UsbGpuCompiled")
+    self.usbgpu: bool = False
+    self.usbgpu_compiled: bool = usbgpu_compiled()
     self.started: bool = False
     self.ignition: bool = False
     self.recording_audio: bool = False
@@ -203,8 +204,9 @@ class UIState:
     self.is_metric = self.params.get_bool("IsMetric")
     self.always_on_dm = self.params.get_bool("AlwaysOnDM")
     self.experimental_mode = self.params.get_bool("ExperimentalMode")
-    self.usbgpu = self.params.get_bool("UsbGpuPresent")
-    self.usbgpu_compiled = self.params.get_bool("UsbGpuCompiled")
+    self.usbgpu = self.sm["deviceState"].chestnutPresent
+    if not self.usbgpu_compiled:
+      self.usbgpu_compiled = usbgpu_compiled()
 
 
 class Device: