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Amd brightness control5/10/2023 ![]() The idea is watching brightness modification, and then apply it with xrandr. Well, I have a temporary workaround with xrandr, inotifywait, and systemd. ** Edit 21/01/22 20:10 CST: A workaround for above issue had been found. ** Edit 21/01/21 23:14 CST: This method will not work after a system restart. Ls /sys/class/backlight: ➜ ~ ls /sys/class/backlightĪctual_brightness bl_power brightness device max_brightness power scale subsystem type uevent Packages: pacman: 1438 Shell: Zsh v: 5.8 running in: gnome-terminal inxi: 3.1.08 Sensors: System Temperatures: cpu: 32.5 C mobo: N/A gpu: amdgpu temp: 25.0 C Swap: ID-1: swap-1 type: partition size: 7.63 GiB used: 0 KiB (0.0%) priority: -2 dev: /dev/nvme0n1p9 ID-2: /dev/sda vendor: Western Digital model: WD10EZEX-22MFCA0 size: 931.51 GiB speed: 6.0 Gb/s serial: ![]() ID-1: /dev/nvme0n1 vendor: Colorful model: CN600 512GB size: 476.94 GiB speed: 31.6 Gb/s lanes: 4 serial: IF: enp42s0 state: up speed: 100 Mbps duplex: full mac: ĭrives: Local Storage: total: 1.38 TiB used: 101.57 GiB (7.2%) Network: Device-1: Intel Dual Band Wireless-AC 3168NGW driver: iwlwifi v: kernel bus ID: 29:00.0ĭevice-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Micro-Star MSI driver: r8169 v: kernel OpenGL: renderer: AMD RENOIR (DRM 3.39.0 5.9.11-3-MANJARO LLVM 11.0.0) v: 4.6 Mesa 20.2.3 direct render: YesĪudio: Device-1: Advanced Micro Devices vendor: Micro-Star MSI driver: snd_hda_intel v: kernel bus ID: 30:00.1ĭevice-2: Advanced Micro Devices Family 17h HD Audio vendor: Micro-Star MSI driver: snd_hda_intel v: kernel Graphics: Device-1: Advanced Micro Devices Renoir driver: amdgpu v: kernel bus ID: 30:00.0 chip ID: 1002:1636ĭisplay: x11 server: X.org 1.20.10 compositor: gnome-shell driver: amdgpu,ati unloaded: modesetting Machine: Type: Desktop Mobo: Micro-Star model: B550M PRO-VDH WIFI (MS-7C95) v: 1.0 serial: ĬPU: Info: 6-Core model: AMD Ryzen G with Radeon Graphics bits: 64 type: MT MCP arch: Zen rev: 1įlags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 88826 Wm: gnome-shell dm: GDM Distro: Manjaro Linux add amdgpu.enable_dpcd_backlight=0 to grub config as This post mentioned.However, value of /sys/class/backlight/acpi_video0/brightness changed from 1 to 49 when I tried to adjust the brightness from the smallest to the biggest. The problem I encountered is that I cannot change the brightness of my screen by dragging the brightness bar in gnome. I am running Manjaro on an AMD CPU with integrated GPU.
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