diff --git a/openpilot/selfdrive/modeld/SConscript b/openpilot/selfdrive/modeld/SConscript
index d9af91af4a..3882e237f7 100644
--- a/openpilot/selfdrive/modeld/SConscript
+++ b/openpilot/selfdrive/modeld/SConscript
@@ -45,7 +45,7 @@ tg_devices = { # which device to put jit inputs to at runtime
 
 USBGPU = usbgpu_present()
 if USBGPU:
-  usbgpu_tg_flags = f'DEBUG=2 DEV=USB+AMD:LLVM WARP_DEV={tg_backend} FLOAT16=1 JIT_BATCH_SIZE=0 GMMU=0'
+  usbgpu_tg_flags = f'DEBUG=2 DEV=USB+AMD:LLVM WARP_DEV={tg_backend} FLOAT16=1 JIT_BATCH_SIZE=0 GMMU=0 TC_OPT=2'
   # the USB+AMD GPU takes an exclusive flock; serialize all targets that touch it
   usbgpu_lock = File("models/.usb_gpu.lock").abspath
 
diff --git a/openpilot/selfdrive/modeld/models/big_driving_supercombo.onnx b/openpilot/selfdrive/modeld/models/big_driving_supercombo.onnx
index 4a04bd7833..a74573ca29 100644
--- a/openpilot/selfdrive/modeld/models/big_driving_supercombo.onnx
+++ b/openpilot/selfdrive/modeld/models/big_driving_supercombo.onnx
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a501760a9d1d5fef0eab2b8c5d122d06124fc26dc8e0782e0aa94b82a208f0ff
-size 1757355221
+oid sha256:10926f2c0911821ca0e72439c1c3bf3ec11f0a08789aa14b7ee8f25379b2afa4
+size 1753235978
diff --git a/tinygrad_repo b/tinygrad_repo
index ef37830d13..15d515299e 160000
--- a/tinygrad_repo
+++ b/tinygrad_repo
@@ -1 +1 @@
-Subproject commit ef37830d138838933d6d70d0024de9f130cb2308
+Subproject commit 15d515299ed9b9e1cb1cbe195c0f3d4d63d1f149