From 71bbb9821913172cd1f4475d606a49b9b668279b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89rico=20Rolim?= <erico.erc@gmail.com>
Date: Mon, 29 Jul 2019 11:58:43 -0300
Subject: [PATCH] Add scripts for controlling Optimus laptop.

---
 script/.local/bin/darktable-launcher |  9 +++++++++
 script/.local/bin/disablegpu         | 24 ++++++++++++++++++++++++
 script/.local/bin/enablegpu          | 21 +++++++++++++++++++++
 script/.local/bin/nv-settings        |  4 ++++
 4 files changed, 58 insertions(+)
 create mode 100755 script/.local/bin/darktable-launcher
 create mode 100755 script/.local/bin/disablegpu
 create mode 100755 script/.local/bin/enablegpu
 create mode 100755 script/.local/bin/nv-settings

diff --git a/script/.local/bin/darktable-launcher b/script/.local/bin/darktable-launcher
new file mode 100755
index 0000000..6d4e9a6
--- /dev/null
+++ b/script/.local/bin/darktable-launcher
@@ -0,0 +1,9 @@
+#!/usr/bin/env fish
+
+kdesu enablegpu
+sleep 2
+
+darktable $argv
+
+kdesu disablegpu
+
diff --git a/script/.local/bin/disablegpu b/script/.local/bin/disablegpu
new file mode 100755
index 0000000..5723194
--- /dev/null
+++ b/script/.local/bin/disablegpu
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+echo "Restarting bumblebee service."
+systemctl restart bumblebeed.service
+sleep 1
+
+echo "Removing modules."
+modprobe -r nvidia_drm
+modprobe -r nvidia_uvm
+modprobe -r nvidia_modeset
+modprobe -r nvidia
+
+echo "Changing power settings."
+# Change NVIDIA card power control
+echo -n auto > /sys/bus/pci/devices/0000\:01\:00.0/power/control
+sleep 1
+# change PCIe power control
+echo -n auto > /sys/bus/pci/devices/0000\:00\:01.0/power/control
+sleep 1
+
+echo "Moving config files."
+# Lock system form loading nvidia module
+mv /etc/modprobe.d/disable-nvidia.conf.disable /etc/modprobe.d/disable-nvidia.conf
+mv /home/ericonr/.local/share/vulkan/icd.d/nvidiaegl_icd.json /home/ericonr/.local/share/vulkan/icd.d/nvidiaegl_icd.json.disable
diff --git a/script/.local/bin/enablegpu b/script/.local/bin/enablegpu
new file mode 100755
index 0000000..125d5b4
--- /dev/null
+++ b/script/.local/bin/enablegpu
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+echo "Moving config files."
+# allow to load nvidia module
+mv /etc/modprobe.d/disable-nvidia.conf /etc/modprobe.d/disable-nvidia.conf.disable
+# add ICD layer for vulkan
+mv /home/ericonr/.local/share/vulkan/icd.d/nvidiaegl_icd.json.disable /home/ericonr/.local/share/vulkan/icd.d/nvidiaegl_icd.json
+
+echo "Changing power settings."
+# Remove NVIDIA card (currently in power/control = auto)
+echo -n 1 > /sys/bus/pci/devices/0000\:01\:00.0/remove
+sleep 1
+# change PCIe power control
+echo -n on > /sys/bus/pci/devices/0000\:00\:01.0/power/control
+sleep 1
+# rescan for NVIDIA card (defaults to power/control = on)
+echo -n 1 > /sys/bus/pci/rescan
+
+echo "Loading modules."
+# someone said that modprobe nvidia is needed also to load nvidia, to check
+modprobe nvidia
diff --git a/script/.local/bin/nv-settings b/script/.local/bin/nv-settings
new file mode 100755
index 0000000..542b66c
--- /dev/null
+++ b/script/.local/bin/nv-settings
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+optirun -b none nvidia-settings -c=:8
+