Setting gamma in Garuda

Simple question. What is the proper way to set the gamma (display) on Garuda Linux?

The KDE and Nvidia settings do not stick. Seems to be a common thing on a lot of distros IME.

System:
  Kernel: 6.1.11-zen1-1-zen arch: x86_64 bits: 64 compiler: gcc v: 12.2.1
    parameters: BOOT_IMAGE=/@/boot/vmlinuz-linux-zen
    root=UUID=0f309958-7881-489f-869b-afc74fd9b0e0 rw rootflags=subvol=@
    quiet quiet splash rd.udev.log_priority=3 vt.global_cursor_default=0
    resume=UUID=f551f9c4-353d-45f8-b453-fd3936591bd1 loglevel=3 ibt=off
  Desktop: KDE Plasma v: 5.26.5 tk: Qt v: 5.15.8 info: latte-dock
    wm: kwin_x11 vt: 1 dm: SDDM Distro: Garuda Linux base: Arch Linux
Machine:
  Type: Desktop Mobo: ASUSTeK model: PRIME B450M-A v: Rev X.0x
    serial: <superuser required> UEFI: American Megatrends v: 3604
    date: 02/25/2022
CPU:
  Info: model: AMD Ryzen 7 2700X bits: 64 type: MT MCP arch: Zen+ gen: 2
    level: v3 note: check built: 2018-21 process: GF 12nm family: 0x17 (23)
    model-id: 8 stepping: 2 microcode: 0x800820D
  Topology: cpus: 1x cores: 8 tpc: 2 threads: 16 smt: enabled cache:
    L1: 768 KiB desc: d-8x32 KiB; i-8x64 KiB L2: 4 MiB desc: 8x512 KiB
    L3: 16 MiB desc: 2x8 MiB
  Speed (MHz): avg: 3610 high: 3700 min/max: 2200/3700 boost: disabled
    scaling: driver: acpi-cpufreq governor: performance cores: 1: 3700 2: 3700
    3: 3700 4: 3700 5: 3700 6: 3700 7: 3700 8: 3700 9: 3700 10: 3700 11: 3149
    12: 2832 13: 3686 14: 3700 15: 3700 16: 3700 bogomips: 118403
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
  Vulnerabilities: <filter>
Graphics:
  Device-1: NVIDIA GP106 [GeForce GTX 1060 6GB] vendor: Micro-Star MSI
    driver: nvidia v: 525.89.02 alternate: nouveau,nvidia_drm non-free: 525.xx+
    status: current (as of 2023-02) arch: Pascal code: GP10x
    process: TSMC 16nm built: 2016-21 pcie: gen: 3 speed: 8 GT/s lanes: 16
    bus-ID: 09:00.0 chip-ID: 10de:1c03 class-ID: 0300
  Device-2: Logitech Webcam C270 type: USB driver: snd-usb-audio,uvcvideo
    bus-ID: 3-1:2 chip-ID: 046d:0825 class-ID: 0102 serial: <filter>
  Display: x11 server: X.Org v: 21.1.7 with: Xwayland v: 22.1.8
    compositor: kwin_x11 driver: X: loaded: nvidia unloaded: modesetting,nouveau
    alternate: fbdev,nv,vesa gpu: nvidia display-ID: :0 screens: 1
  Screen-1: 0 s-res: 3840x1200 s-dpi: 93 s-size: 1049x321mm (41.30x12.64")
    s-diag: 1097mm (43.19")
  Monitor-1: DVI-D-0 pos: primary,right res: 1920x1200 hz: 60 dpi: 94
    size: 518x324mm (20.39x12.76") diag: 611mm (24.05") modes: N/A
  Monitor-2: HDMI-0 pos: left res: 1920x1200 hz: 60 dpi: 94
    size: 518x324mm (20.39x12.76") diag: 611mm (24.05") modes: N/A
  API: OpenGL v: 4.6.0 NVIDIA 525.89.02 renderer: NVIDIA GeForce GTX 1060
    6GB/PCIe/SSE2 direct-render: Yes
Audio:
  Device-1: NVIDIA GP106 High Definition Audio vendor: Micro-Star MSI
    driver: snd_hda_intel bus-ID: 3-1:2 v: kernel pcie: chip-ID: 046d:0825
    gen: 3 class-ID: 0102 speed: 8 GT/s serial: <filter> lanes: 16
    bus-ID: 09:00.1 chip-ID: 10de:10f1 class-ID: 0403
  Device-2: AMD Family 17h HD Audio vendor: ASUSTeK driver: snd_hda_intel
    v: kernel pcie: gen: 3 speed: 8 GT/s lanes: 16 bus-ID: 0b:00.3
    chip-ID: 1022:1457 class-ID: 0403
  Device-3: Logitech Webcam C270 type: USB driver: snd-usb-audio,uvcvideo
  Device-4: C-Media CM6631A Audio Processor type: USB
    driver: hid-generic,snd-usb-audio,usbhid bus-ID: 3-3:4 chip-ID: 0d8c:0004
    class-ID: 0300
  Sound API: ALSA v: k6.1.11-zen1-1-zen running: yes
  Sound Server-1: PulseAudio v: 16.1 running: no
  Sound Server-2: PipeWire v: 0.3.65 running: yes
Network:
  Device-1: Qualcomm Atheros AR9285 Wireless Network Adapter driver: ath9k
    v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 bus-ID: 07:00.0
    chip-ID: 168c:002b class-ID: 0280
  IF: wlp7s0 state: up mac: <filter>
  Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: ASUSTeK PRIME B450M-A driver: r8169 v: kernel pcie: gen: 1
    speed: 2.5 GT/s lanes: 1 port: f000 bus-ID: 08:00.0 chip-ID: 10ec:8168
    class-ID: 0200
  IF: enp8s0 state: down mac: <filter>
  IF-ID-1: vmnet1 state: unknown speed: N/A duplex: N/A mac: <filter>
  IF-ID-2: vmnet8 state: unknown speed: N/A duplex: N/A mac: <filter>
Drives:
  Local Storage: total: 2.62 TiB used: 75.23 GiB (2.8%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Silicon Power
    model: SPCC M.2 PCIe SSD size: 476.94 GiB block-size: physical: 512 B
    logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter>
    rev: H211011a temp: 42.9 C scheme: GPT
  ID-2: /dev/sda maj-min: 8:0 vendor: Crucial model: M4-CT128M4SSD2
    size: 119.24 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: 000F scheme: GPT
  ID-3: /dev/sdb maj-min: 8:16 vendor: Western Digital
    model: WD20EARX-00PASB0 size: 1.82 TiB block-size: physical: 4096 B
    logical: 512 B speed: 6.0 Gb/s type: N/A serial: <filter> rev: AB51
    scheme: MBR
  ID-4: /dev/sdc maj-min: 8:32 vendor: Kingston model: SUV400S37240G
    size: 223.57 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: 96R9 scheme: GPT
Partition:
  ID-1: / raw-size: 234.38 GiB size: 234.38 GiB (100.00%)
    used: 75.23 GiB (32.1%) fs: btrfs dev: /dev/nvme0n1p1 maj-min: 259:1
  ID-2: /boot/efi raw-size: 497 MiB size: 496 MiB (99.80%)
    used: 612 KiB (0.1%) fs: vfat dev: /dev/nvme0n1p5 maj-min: 259:5
  ID-3: /home raw-size: 234.38 GiB size: 234.38 GiB (100.00%)
    used: 75.23 GiB (32.1%) fs: btrfs dev: /dev/nvme0n1p1 maj-min: 259:1
  ID-4: /var/log raw-size: 234.38 GiB size: 234.38 GiB (100.00%)
    used: 75.23 GiB (32.1%) fs: btrfs dev: /dev/nvme0n1p1 maj-min: 259:1
  ID-5: /var/tmp raw-size: 234.38 GiB size: 234.38 GiB (100.00%)
    used: 75.23 GiB (32.1%) fs: btrfs dev: /dev/nvme0n1p1 maj-min: 259:1
Swap:
  Kernel: swappiness: 133 (default 60) cache-pressure: 100 (default)
  ID-1: swap-1 type: zram size: 15.53 GiB used: 0 KiB (0.0%) priority: 100
    dev: /dev/zram0
  ID-2: swap-2 type: partition size: 15.62 GiB used: 0 KiB (0.0%)
    priority: -2 dev: /dev/nvme0n1p2 maj-min: 259:2
Sensors:
  System Temperatures: cpu: 40.6 C mobo: N/A gpu: nvidia temp: 51 C
  Fan Speeds (RPM): N/A gpu: nvidia fan: 0%
Info:
  Processes: 374 Uptime: 1h 0m wakeups: 0 Memory: 15.53 GiB
  used: 5.67 GiB (36.5%) Init: systemd v: 252 default: graphical
  tool: systemctl Compilers: gcc: 12.2.1 clang: 15.0.7 Packages: pm: pacman
  pkgs: 1727 libs: 381 tools: octopi,pamac,paru,yay pm: rpm pkgs: 0
  Shell: fish v: 3.6.0 default: Bash v: 5.1.16 running-in: alacritty
  inxi: 3.3.25
Garuda (2.6.14-1):
  System install date:     2023-01-18
  Last full system update: 2023-02-15
  Is partially upgraded:   Yes
  Relevant software:       snapper NetworkManager mkinitcpio nvidia-dkms
  Windows dual boot:       Probably (Run as root to verify)
  Failed units:

I'm no expert on this stuff, but for others to help I think it would be important to better explain what you need to do and what you tried so far, also in terms of search.
For example, at a quick search, I found this, suggesting to install kgamma5 (and other tools are mentioned). I don't know if this fits with your needs, just an idea to proceed.
https://bbs.archlinux.org/viewtopic.php?id=268911

2 Likes

Ok. The original question was. What is the best way to set my system wide gamma? Nvidia control panel settings are not saving it properly. Say I want my gamma at 0.95.

But I got the problem solved here:

1. sudo pacman -Syu xorg-xgamma

2. xgamma -gamma 0.95

3. Add the command to bash script as a Startup application.

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