Merge commit '4a13639cfd122ccb9113a4d6ce225dcbd8e61914' into sync-20260827

# Conflicts:
#	openpilot/selfdrive/modeld/SConscript
#	openpilot/selfdrive/modeld/modeld.py
#	openpilot/selfdrive/ui/mici/layouts/home.py
#	openpilot/selfdrive/ui/ui_state.py
#	tinygrad_repo

.github/workflows/build-all-tinygrad-models.yaml

@@ -8,13 +8,13 @@ on:
         required: true
         type: string
       target_hardware:
-        description: 'Hardware target to compile for (qcom or usbgpu)'
+        description: 'Hardware target to compile for (qcom or chestnut)'
         required: true
         type: choice
         default: 'qcom'
         options:
           - qcom
-          - usbgpu
+          - chestnut
       hf_repo:
         description: 'Hugging Face dataset repository'
         required: false
@@ -59,7 +59,7 @@ jobs:
         id: get-json
         run: |
           cd docs/docs
-          PREFIX="driving_models_${{ inputs.target_hardware == 'usbgpu' && 'usbgpu_' || '' }}v"
+          PREFIX="driving_models_${{ inputs.target_hardware == 'chestnut' && 'chestnut_' || '' }}v"
           latest=$(ls ${PREFIX}*.json | sed -E "s/${PREFIX}([0-9]+)\.json/\1/" | sort -n | tail -1)
           next=$((latest+1))
           json_file="${PREFIX}${next}.json"

.github/workflows/build-default-models.yaml

@@ -176,7 +176,7 @@ jobs:
   build_big_model:
     needs: resolve
     if: ${{ inputs.target == 'big' }}
-    runs-on: [self-hosted, usbgpu]
+    runs-on: [self-hosted, chestnut]
     env:
       BIG_ONNX: openpilot/selfdrive/modeld/models/big_driving_supercombo.onnx
       BIG_PKL: openpilot/selfdrive/modeld/models/big_driving_tinygrad.pkl

.github/workflows/build-single-tinygrad-model.yaml

@@ -30,7 +30,7 @@ on:
         type: boolean
         default: true
       target_hardware:
-        description: 'Hardware target to compile for (qcom or usbgpu)'
+        description: 'Hardware target to compile for (qcom or chestnut)'
         required: false
         type: string
         default: 'qcom'
@@ -101,7 +101,7 @@ on:
         default: 'qcom'
         options:
           - qcom
-          - usbgpu
+          - chestnut
       hf_repo:
         description: 'Hugging Face dataset repository'
         required: false
@@ -109,7 +109,7 @@ on:
         default: 'sunnypilot/sunnypilot_models_v1'
 env:
   RECOMPILED_DIR: recompiled${{ inputs.recompiled_dir }}
-  JSON_FILE: docs/docs/driving_models_${{ inputs.target_hardware == 'usbgpu' && 'usbgpu_v' || 'v' }}${{ inputs.json_version }}.json
+  JSON_FILE: docs/docs/driving_models_${{ inputs.target_hardware == 'chestnut' && 'chestnut_v' || 'v' }}${{ inputs.json_version }}.json
 
 jobs:
   build_model:

.github/workflows/sunnypilot-build-model.yaml

@@ -31,7 +31,7 @@ on:
         type: string
         default: ''
       target_hardware:
-        description: 'Hardware target to compile for (qcom or usbgpu)'
+        description: 'Hardware target to compile for (qcom or chestnut)'
         required: false
         type: string
         default: 'qcom'
@@ -57,7 +57,7 @@ on:
         type: choice
         options:
           - qcom
-          - usbgpu
+          - chestnut
         default: 'qcom'
 
 
@@ -102,7 +102,7 @@ jobs:
           cat $GITHUB_OUTPUT
       - run: |
           cd ${{ github.workspace }}/openpilot/openpilot
-          if [ "${{ inputs.target_hardware }}" != "usbgpu" ]; then
+          if [ "${{ inputs.target_hardware }}" != "chestnut" ]; then
             git lfs pull -X "**/selfdrive/modeld/models/big_*.onnx,**/selfdrive/modeld/models/dmonitoring_*.onnx"
             rm -f selfdrive/modeld/models/big_*.onnx selfdrive/modeld/models/dmonitoring_*.onnx
           else
@@ -121,7 +121,7 @@ jobs:
           if-no-files-found: error
 
   build_model:
-    runs-on: [self-hosted, usbgpu]
+    runs-on: [self-hosted, chestnut]
     needs: get_model
     env:
       MODEL_NAME: ${{ inputs.custom_name || inputs.upstream_branch }} (${{ needs.get_model.outputs.model_date }})
@@ -185,9 +185,9 @@ jobs:
           CAMERA_RES=$(python3 -c "from openpilot.common.transformations.camera import _ar_ox_fisheye as a, _os_fisheye as o; print(f'{a.width}x{a.height} {o.width}x{o.height}')")
 
           TG_FLAGS_QCOM="DEV=QCOM IMAGE=1 FLOAT16=1 NOLOCALS=1 JIT_BATCH_SIZE=0 OPENPILOT_HACKS=1"
-          if [ "${{ inputs.target_hardware }}" == "usbgpu" ]; then
-            echo "USBGPU build"
-            export USBGPU=1
+          if [ "${{ inputs.target_hardware }}" == "chestnut" ]; then
+            echo "CHESTNUT build"
+            export CHESTNUT=1
             TG_FLAGS="DEBUG=1 DEV=USB+AMD:LLVM WARP_DEV=QCOM FLOAT16=1 JIT_BATCH_SIZE=0 GMMU=0 TC_OPT=2"
             OUTPUT_PKL="${{ env.MODELS_DIR }}/big_driving_tinygrad.pkl"
           else