systemd: Disable Intel RAPL PL4 on resume/boot

Fixes: linux-surface/linux-surface#706

Author: danielzgtg

pkg/bin/makebin

@@ -64,6 +64,14 @@ package() {
     install -D -m644 "target/_surface"     "$pkgdir/shell-completions/surface.zsh"
     install -D -m644 "target/surface.fish" "$pkgdir/shell-completions/surface.fish"
 
+    # copy service files
+    install -D -m644 "systemd/surface-rapl.service" "$pkgdir/usr/lib/systemd/system/surface-rapl.service"
+    install -D -m744 "systemd/surface-rapl.sh" "$pkgdir/usr/libexec/surface-rapl.sh"
+    mkdir -p "$pkgdir/usr/lib/systemd/system/multi-user.target.wants"
+    ln -sT "../surface-rapl.service" "$pkgdir/usr/lib/systemd/system/multi-user.target.wants/surface-rapl.service"
+    mkdir -p "$pkgdir/usr/lib/systemd/system/suspend.target.wants"
+    ln -sT "../surface-rapl.service" "$pkgdir/usr/lib/systemd/system/suspend.target.wants/surface-rapl.service"
+
     # copy license
     install -D -m644 "LICENSE" "$pkgdir/LICENSE"
 

pkg/deb/debian/rules

@@ -20,5 +20,13 @@ override_dh_install:
 	install -D -m644 "target/_surface" "${pkgdir}/usr/share/zsh/vendor-completions/_surface"
 	install -D -m644 "target/surface.fish" "${pkgdir}/usr/share/fish/vendor_completions.d/surface.fish"
 
+	# service files
+	install -D -m644 "systemd/surface-rapl.service" "${pkgdir}/usr/lib/systemd/system/surface-rapl.service"
+	install -D -m744 "systemd/surface-rapl.sh" "${pkgdir}/usr/libexec/surface-rapl.sh"
+	mkdir -p "${pkgdir}/usr/lib/systemd/system/multi-user.target.wants"
+	ln -sT "../surface-rapl.service" "${pkgdir}/usr/lib/systemd/system/multi-user.target.wants/surface-rapl.service"
+	mkdir -p "${pkgdir}/usr/lib/systemd/system/suspend.target.wants"
+	ln -sT "../surface-rapl.service" "${pkgdir}/usr/lib/systemd/system/suspend.target.wants/surface-rapl.service"
+
 %:
 	dh $@

pkg/deb/surface-control-dbgsym_0.4.12-1_amd64.ddeb

@@ -31,6 +31,12 @@ install -D -m755 "target/release/surface" "%{buildroot}/usr/bin/surface"
 install -D -m644 "target/surface.bash" "%{buildroot}/usr/share/bash-completion/completions/surface"
 install -D -m644 "target/_surface" "%{buildroot}/usr/share/zsh/site-functions/_surface"
 install -D -m644 "target/surface.fish" "%{buildroot}/usr/share/fish/vendor_completions.d/surface.fish"
+install -D -m644 "systemd/surface-rapl.service" "%{buildroot}/usr/lib/systemd/system/surface-rapl.service"
+install -D -m744 "systemd/surface-rapl.sh" "%{buildroot}/usr/libexec/surface-rapl.sh"
+mkdir -p "%{buildroot}/usr/lib/systemd/system/multi-user.target.wants"
+ln -sT "../surface-rapl.service" "%{buildroot}/usr/lib/systemd/system/multi-user.target.wants/surface-rapl.service"
+mkdir -p "%{buildroot}/usr/lib/systemd/system/suspend.target.wants"
+ln -sT "../surface-rapl.service" "%{buildroot}/usr/lib/systemd/system/suspend.target.wants/surface-rapl.service"
 
 %files
 /usr/bin/surface

pkg/fedora/surface-control.spec

@@ -0,0 +1,11 @@
+[Unit]
+Description=Undoes firmware throttling processor after low-battery boot/resume
+After=suspend.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/libexec/surface-rapl.sh
+
+[Install]
+WantedBy=multi-user.target
+WantedBy=suspend.target

systemd/surface-rapl.service

@@ -0,0 +1,3 @@
+#!/bin/sh
+target=/sys/devices/virtual/powercap/intel-rapl/intel-rapl:0/constraint_2_power_limit_uw
+[ -f "$target" ] && echo 0 > "$target" || :