Initial commit

02-system/files/usr/local/bin/gpuprofile.sh

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+#!/bin/sh
+# Force the AMD GPU to "high" performance level.
+# Pins memory clock to 100% — raises idle draw (~20W) but fixes stuttering.
+# Run as root (systemd oneshot). Finds the AMD card by vendor id; no hardcoded cardN.
+for c in /sys/class/drm/card[0-9]*; do
+  [ "$(cat "$c/device/vendor" 2>/dev/null)" = "0x1002" ] || continue
+  echo high > "$c/device/power_dpm_force_performance_level"
+  exit 0
+done
+exit 0