add extra services

sys/apps/openrc/extras/disable-secondary-gpu.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+if [[ ! -f /var/cache/disable-gpu ]] &>/dev/null; then
+    exit 0
+fi
+if grep "nomodeset" /proc/cmdline ; then
+    exit 0
+fi
+
+remove_pci(){
+    if [[ -d "/sys/bus/pci/devices/0000:$1/driver" ]] ; then
+        module=$(basename $(readlink /sys/bus/pci/devices/0000:$1/driver/module))
+        echo "Disabled: $module ($1)"
+        rmmod -f $module
+    fi
+    echo 1 > /sys/bus/pci/devices/0000:$1/remove
+}
+
+echo 1 > /sys/bus/pci/rescan
+
+for dir in /sys/class/drm/card[0-9*] ; do
+    # 03 Display controller
+    # 02 3D controller
+    if grep "^0x0302" $dir/device/class ; then
+      pci="$(basename $(readlink $dir/device))"
+      echo "Found 3D controller: ${pci:5}"
+      remove_pci "${pci:5}"
+    fi
+done
+udevadm control --reload