Added gpu_governor role

roles/gpu_governor/handlers/main.yml

@@ -0,0 +1,5 @@
+- name: Restart the GPU governor
+  become: true
+  ansible.builtin.systemd_service:
+    name: cyan-skillfish-governor-smu
+    state: restarted

roles/gpu_governor/tasks/main.yml

@@ -0,0 +1,99 @@
+- name: Check if the governor is already installed
+  ansible.builtin.command:
+    argv:
+      - pacman
+      - -Qq
+      - cyan-skillfish-governor-smu
+  register: is_gov_installed
+  changed_when: false
+  failed_when: false
+
+- name: Build and install the governor from the AUR
+  when: is_gov_installed.rc != 0
+  block:
+    - name: Create temporary dir for build
+      ansible.builtin.tempfile:
+        state: directory
+        suffix: csgov
+      register: gov_tmp
+
+    - name: Download the AUR snapshot
+      ansible.builtin.get_url:
+        url: "https://aur.archlinux.org/cgit/aur.git/snapshot/cyan-skillfish-governor-smu.tar.gz"
+        dest: "{{ gov_tmp.path }}/cyan-skillfish-governor-smu.tar.gz"
+
+    - name: Extract the snapshot
+      ansible.builtin.unarchive:
+        src: "{{ gov_tmp.path }}/cyan-skillfish-governor-smu.tar.gz"
+        dest: "{{ gov_tmp.path }}"
+        remote_src: true
+
+    - name: Read the package metadata
+      ansible.builtin.slurp:
+        src: "{{ gov_tmp.path }}/cyan-skillfish-governor-smu/.SRCINFO"
+      register: gov_srcinfo
+
+    - name: Extract build and runtime dependencies
+      ansible.builtin.set_fact:
+        gov_build_deps: >-
+          {{ (gov_srcinfo.content | b64decode)
+             | regex_findall('(?m)^\s*(?:make|check)?depends(?:_\w+)?\s*=\s*([^\s<>=]+)')
+             | unique }}
+
+    - name: Ensure build prerequisites are present
+      become: true
+      ansible.builtin.pacman:
+        name: "{{ ['base-devel', 'fakeroot'] + gov_build_deps }}"
+        state: present
+
+    # Rust build, expect several minutes on Zen 2.
+    - name: Build the package (no install)
+      ansible.builtin.command:
+        argv:
+          - makepkg
+          - --noconfirm
+        chdir: "{{ gov_tmp.path }}/cyan-skillfish-governor-smu"
+      environment:
+        PKGDEST: "{{ gov_tmp.path }}/cyan-skillfish-governor-smu"
+
+    - name: Locate built package(s)
+      ansible.builtin.find:
+        paths: "{{ gov_tmp.path }}/cyan-skillfish-governor-smu"
+        patterns: "*.pkg.tar.zst"
+        excludes: "*-debug-*"
+        file_type: file
+      register: gov_built_pkgs
+
+    # Install with root, but OUTSIDE makepkg
+    - name: Install built package(s)
+      become: true
+      ansible.builtin.command:
+        argv:
+          - pacman
+          - -U
+          - --noconfirm
+          - "{{ item.path }}"
+      loop: "{{ gov_built_pkgs.files }}"
+      notify: Restart the GPU governor
+
+  always:
+    - name: Remove temporary directory
+      ansible.builtin.file:
+        path: "{{ gov_tmp.path }}"
+        state: absent
+      when: gov_tmp.path is defined
+
+- name: Deploy the governor configuration
+  become: true
+  ansible.builtin.template:
+    src: config.toml.j2
+    dest: /etc/cyan-skillfish-governor-smu/config.toml
+    mode: '0644'
+  notify: Restart the GPU governor
+
+- name: Enable and start the GPU governor
+  become: true
+  ansible.builtin.systemd_service:
+    name: cyan-skillfish-governor-smu
+    enabled: true
+    state: started

roles/gpu_governor/templates/config.toml.j2

@@ -0,0 +1,119 @@
+# {{ ansible_managed }}
+# Default config
+# https://github.com/filippor/cyan-skillfish-governor/blob/v0.4.12/default-config.toml
+
+# us
+[timing.intervals]
+sample = 250
+adjust = 100_000
+
+[gpu-usage]
+fix-metrics = true
+ fix-freq = false
+method = "busy-flag" # "busy-flag" , "process" or "kernel"
+flush-every = 10
+
+[gpu]
+set-method = "smu"  # "smu" or "kernel"
+
+[dbus]
+enabled = true
+
+
+# Optional: set initial frequency range limits
+# Both min and max can be omitted or set to 0 for no limit
+[frequency-range]
+min = 1000    # MHz
+max = 1850   # MHz
+
+# MHz/ms
+[timing.ramp-rates]
+normal = 1
+burst = 50
+
+# number of samples
+[timing]
+burst-samples = 60
+down-events = 5
+
+# MHz
+[frequency-thresholds]
+adjust = 10
+
+# %
+[load-target]
+upper = 0.65
+lower = 0.50
+
+#°C
+[temperature]
+throttling = 85
+throttling_recovery = 75
+
+[[safe-points]]
+frequency = 500
+voltage = 700
+
+[[safe-points]]
+frequency = 1000
+voltage = 800
+
+[[safe-points]]
+frequency = 1175
+voltage = 850
+
+[[safe-points]]
+frequency = 1500
+voltage = 900
+
+[[safe-points]]
+frequency = 1600
+voltage = 910
+
+[[safe-points]]
+frequency = 1700
+voltage = 920
+
+[[safe-points]]
+frequency = 1850
+voltage = 930
+
+[[safe-points]]
+frequency = 2000
+voltage = 960
+
+# [[safe-points]]
+# frequency = 2050
+# voltage = 980
+#
+# [[safe-points]]
+# frequency = 2100
+# voltage = 1000
+#
+# [[safe-points]]
+# frequency = 2125
+# voltage = 1020
+#
+# [[safe-points]]
+# frequency = 2150
+# voltage = 1035
+#
+# [[safe-points]]
+# frequency = 2200
+# voltage = 1050
+#
+# [[safe-points]]
+# frequency = 2230
+# voltage = 1085
+#
+# [[safe-points]]
+# frequency = 2300
+# voltage = 1110
+#
+# [[safe-points]]
+# frequency = 2350
+# voltage = 1130
+#
+# [[safe-points]]
+# frequency = 2400
+# voltage = 1150

site.yml

@@ -5,3 +5,5 @@
       role: kernel
     - name: Install fan control and temperature driver
       role: fan
+    - name: Install GPU governor
+      role: gpu_governor