Initial commit

02-system/files/usr/local/bin/amdgpu-fancontrol.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+# ---------------- CONFIG ----------------
+# Temperature threshold in millidegrees Celsius
+# 55000 = 55°C
+TEMP_THRESHOLD=55000
+
+# PWM values (0–255)
+PWM_IDLE=25      # fan speed below threshold 
+PWM_HOT=90      # fan speed above threshold 
+
+# ---------------------------------------
+
+# Find the AMD card (vendor 0x1002), then its hwmon — no hardcoded cardN.
+HWMON=""
+for c in /sys/class/drm/card[0-9]*; do
+  [ "$(cat "$c/device/vendor" 2>/dev/null)" = "0x1002" ] || continue
+  HWMON="$(ls -d "$c"/device/hwmon/hwmon* 2>/dev/null | head -n1)"
+  break
+done
+[ -z "$HWMON" ] && exit 0
+
+TEMP_FILE="$HWMON/temp1_input"
+PWM_ENABLE="$HWMON/pwm1_enable"
+PWM_FILE="$HWMON/pwm1"
+
+# Enable manual fan control (always)
+echo 1 > "$PWM_ENABLE"
+
+# Read temperature
+TEMP="$(cat "$TEMP_FILE")"
+
+# Decide PWM
+if [ "$TEMP" -ge "$TEMP_THRESHOLD" ]; then
+    PWM="$PWM_HOT"
+else
+    PWM="$PWM_IDLE"
+fi
+
+# Always write PWM
+echo "$PWM" > "$PWM_FILE"
+
+exit 0

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