From 0a82fce8d5cb49c7effa21b1cd271f52a8b0cae4 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sat, 15 Oct 2022 21:51:43 -0400
Subject: [PATCH] Add the FreeBSD graphics role.

---
 .../environments/laptop/host_vars/odofreebsd  |  1 +
 ansible/playbook.yaml                         |  1 +
 .../graphics/files/intel_power_loader.conf    | 10 +++++++
 ansible/roles/graphics/files/vdpau.sh         |  1 +
 ansible/roles/graphics/tasks/common.yaml      | 14 +++++++++
 ansible/roles/graphics/tasks/freebsd.yaml     |  1 +
 .../roles/graphics/tasks/freebsd_intel.yaml   | 29 +++++++++++++++++++
 ansible/roles/graphics/tasks/linux.yaml       |  6 ++++
 ansible/roles/graphics/tasks/main.yaml        |  2 ++
 ansible/roles/graphics/tasks/peruser.yaml     | 29 +++++++++++++++++++
 .../roles/graphics/tasks/peruser_freebsd.yaml |  0
 .../roles/graphics/tasks/peruser_linux.yaml   |  0
 12 files changed, 94 insertions(+)
 create mode 100644 ansible/roles/graphics/files/intel_power_loader.conf
 create mode 100644 ansible/roles/graphics/files/vdpau.sh
 create mode 100644 ansible/roles/graphics/tasks/common.yaml
 create mode 100644 ansible/roles/graphics/tasks/freebsd.yaml
 create mode 100644 ansible/roles/graphics/tasks/freebsd_intel.yaml
 create mode 100644 ansible/roles/graphics/tasks/linux.yaml
 create mode 100644 ansible/roles/graphics/tasks/main.yaml
 create mode 100644 ansible/roles/graphics/tasks/peruser.yaml
 create mode 100644 ansible/roles/graphics/tasks/peruser_freebsd.yaml
 create mode 100644 ansible/roles/graphics/tasks/peruser_linux.yaml

diff --git a/ansible/environments/laptop/host_vars/odofreebsd b/ansible/environments/laptop/host_vars/odofreebsd
index 8e2c236..4779fac 100644
--- a/ansible/environments/laptop/host_vars/odofreebsd
+++ b/ansible/environments/laptop/host_vars/odofreebsd
@@ -10,6 +10,7 @@ pflog_conf:
 network_rc: "odofreebsd_network.conf"
 rc_conf: "odofreebsd_rc.conf"
 loader_conf: "odofreebsd_loader.conf"
+graphics_driver: "intel"
 cputype: "intel"
 cpu_opt: tigerlake
 hwpstate: true
diff --git a/ansible/playbook.yaml b/ansible/playbook.yaml
index a9ad595..8ed36af 100644
--- a/ansible/playbook.yaml
+++ b/ansible/playbook.yaml
@@ -13,3 +13,4 @@
     - cpu
     - ntp
     - build
+    - graphics
diff --git a/ansible/roles/graphics/files/intel_power_loader.conf b/ansible/roles/graphics/files/intel_power_loader.conf
new file mode 100644
index 0000000..2d27b22
--- /dev/null
+++ b/ansible/roles/graphics/files/intel_power_loader.conf
@@ -0,0 +1,10 @@
+# Enable power-saving display c-states (0=disable; 1=up to DC5; 2=up to DC6)
+compat.linuxkpi.i915_enable_dc=2
+# Enable frame buffer compression which allegedly saves power
+compat.linuxkpi.i915_enable_fbc=1
+# Skip extra modesets during boot
+compat.linuxkpi.i915_fastboot=1
+# Disable display power wells (0=power wells always on, 1=power wells disabled when possible)
+compat.linuxkpi.i915_disable_power_well=1
+# Reduce interrupt rate to make it more likely that a C3 sleep state can be hit. Should make the CPU wake up less often.
+kern.hz=100
diff --git a/ansible/roles/graphics/files/vdpau.sh b/ansible/roles/graphics/files/vdpau.sh
new file mode 100644
index 0000000..7114bcd
--- /dev/null
+++ b/ansible/roles/graphics/files/vdpau.sh
@@ -0,0 +1 @@
+export VDPAU_DRIVER=va_gl
diff --git a/ansible/roles/graphics/tasks/common.yaml b/ansible/roles/graphics/tasks/common.yaml
new file mode 100644
index 0000000..d7c1735
--- /dev/null
+++ b/ansible/roles/graphics/tasks/common.yaml
@@ -0,0 +1,14 @@
+- import_tasks: tasks/freebsd.yaml
+  when: 'os_flavor == "freebsd"'
+
+- import_tasks: tasks/linux.yaml
+  when: 'os_flavor == "linux"'
+
+- include_tasks:
+    file: tasks/peruser.yaml
+    apply:
+      become: yes
+      become_user: "{{ initialize_user }}"
+  loop: "{{ users | dict2items | community.general.json_query('[?value.initialize==`true`].key') }}"
+  loop_control:
+    loop_var: initialize_user
diff --git a/ansible/roles/graphics/tasks/freebsd.yaml b/ansible/roles/graphics/tasks/freebsd.yaml
new file mode 100644
index 0000000..4529a5d
--- /dev/null
+++ b/ansible/roles/graphics/tasks/freebsd.yaml
@@ -0,0 +1 @@
+- include_tasks: "tasks/freebsd_{{graphics_driver}}.yaml"
diff --git a/ansible/roles/graphics/tasks/freebsd_intel.yaml b/ansible/roles/graphics/tasks/freebsd_intel.yaml
new file mode 100644
index 0000000..e915703
--- /dev/null
+++ b/ansible/roles/graphics/tasks/freebsd_intel.yaml
@@ -0,0 +1,29 @@
+- name: Install packages
+  package:
+    name:
+      - drm-kmod
+      - libva-intel-media-driver # va-api support for broadwell (2014) and newer.
+      - libva-intel-driver # va-api support until after coffeelake (2017).
+      - vulkan-loader
+      - libva-utils # for vainfo
+      - vdpauinfo # for vdpauinfo
+      - libvdpau-va-gl # vdpau support
+    state: present
+
+# - name: Configure vdpau to use va-api driver
+#   copy:
+#     src: vdpau.sh
+#     dest: /etc/profile.d/vdpau.sh
+#     mode: 0644
+#     owner: root
+#     group: root
+
+- name: Install loader.conf
+  copy:
+    src: "files/{{ item }}_loader.conf"
+    dest: "/boot/loader.conf.d/{{ item }}.conf"
+    mode: 0644
+    owner: root
+    group: wheel
+  loop:
+    - intel_power
diff --git a/ansible/roles/graphics/tasks/linux.yaml b/ansible/roles/graphics/tasks/linux.yaml
new file mode 100644
index 0000000..e1835f0
--- /dev/null
+++ b/ansible/roles/graphics/tasks/linux.yaml
@@ -0,0 +1,6 @@
+# - name: Install packages
+#   pacman:
+#     name:
+#       - foo
+#     state: present
+#     update_cache: true
diff --git a/ansible/roles/graphics/tasks/main.yaml b/ansible/roles/graphics/tasks/main.yaml
new file mode 100644
index 0000000..dc9939d
--- /dev/null
+++ b/ansible/roles/graphics/tasks/main.yaml
@@ -0,0 +1,2 @@
+- import_tasks: tasks/common.yaml
+  when: graphics_driver is defined
diff --git a/ansible/roles/graphics/tasks/peruser.yaml b/ansible/roles/graphics/tasks/peruser.yaml
new file mode 100644
index 0000000..111e886
--- /dev/null
+++ b/ansible/roles/graphics/tasks/peruser.yaml
@@ -0,0 +1,29 @@
+- include_role:
+    name: per_user
+
+# - name: Create directories
+#   file:
+#     name: "{{ account_homedir.stdout }}/{{ item }}"
+#     state: directory
+#     mode: 0700
+#     owner: "{{ account_name.stdout }}"
+#     group: "{{ group_name.stdout }}"
+#   loop:
+#     - ".config/foo"
+
+# - name: Copy files
+#   copy:
+#     src: "files/{{ item.src }}"
+#     dest: "{{ account_homedir.stdout }}/{{ item.dest }}"
+#     mode: 0600
+#     owner: "{{ account_name.stdout }}"
+#     group: "{{ group_name.stdout }}"
+#   loop:
+#     - src: foo.conf
+#       dest: .config/foo/foo.conf
+
+- import_tasks: tasks/peruser_freebsd.yaml
+  when: 'os_flavor == "freebsd"'
+
+- import_tasks: tasks/peruser_linux.yaml
+  when: 'os_flavor == "linux"'
diff --git a/ansible/roles/graphics/tasks/peruser_freebsd.yaml b/ansible/roles/graphics/tasks/peruser_freebsd.yaml
new file mode 100644
index 0000000..e69de29
diff --git a/ansible/roles/graphics/tasks/peruser_linux.yaml b/ansible/roles/graphics/tasks/peruser_linux.yaml
new file mode 100644
index 0000000..e69de29