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Problème de luminosité

#1Messageil y a 2 ans

Bonjour,

J'ai un Lenovo IdeaPad 3, depuis aujourd'hui impossible de gérer la luminosité ce qui est passablement contraignant car elle est au plus bas.

En vérité, je peux faire varié la valeur qui se trouve dans : /sys/class/backlight/amdgpu_bl0/brightness et /sys/class/backlight/amdgpu_bl0/actual_brightness, mais rien ne change.
J'ai essayé d'ajouté des options dans le fichier de grub (/etc/default/grub) à la ligne GRUB_CMDLINE_LINUX:
  • acpi_backlight=vendor
  • acpi_backlight=video
  • acpi_backlight=native
  • amdgpu.enable_dpcd_backlight=0
Mais cela ne change rien.

Je ne sais pas quoi trop faire de plus.

$ inxi -Fxxz
System:
  Kernel: 5.10.70-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
  Desktop: Xfce 4.16.0 tk: Gtk 3.24.29 wm: xfwm dm: LightDM
  Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: LENOVO product: 81W1 v: IdeaPad 3 15ADA05
  serial: <filter> Chassis: type: 10 v: IdeaPad 3 15ADA05 serial: <filter>
  Mobo: LENOVO model: LNVNB161216 v: SDK0J40700WIN serial: <filter>
  UEFI: LENOVO v: E8CN23WW date: 07/28/2020
Battery:
  ID-1: BAT0 charge: 31.5 Wh (100.0%) condition: 31.5/35.0 Wh (90.1%)
  volts: 8.5 min: 7.5 model: SMP L16M2PB2 serial: <filter> status: Full
CPU:
  Info: Quad Core model: AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx
  bits: 64 type: MT MCP arch: Zen rev: 1 cache: L2: 2 MiB
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
  bogomips: 33548
  Speed: 2653 MHz min/max: 1400/2100 MHz boost: enabled Core speeds (MHz):
  1: 2653 2: 2660 3: 1231 4: 1231 5: 1231 6: 1231 7: 1231 8: 1231
Graphics:
  Device-1: AMD Picasso vendor: Lenovo driver: amdgpu v: kernel
  bus-ID: 03:00.0 chip-ID: 1002:15d8
  Device-2: Chicony Integrated Camera type: USB driver: uvcvideo
  bus-ID: 3-1.1:4 chip-ID: 04f2:b6ce
  Display: x11 server: X.Org 1.20.13 compositor: xfwm4 driver:
  loaded: amdgpu,ati unloaded: modesetting alternate: fbdev,vesa resolution:
  1: 1366x768~60Hz 2: 1680x1050~60Hz s-dpi: 96
  OpenGL: renderer: AMD Radeon Vega 8 Graphics (RAVEN DRM 3.40.0
  5.10.70-1-MANJARO LLVM 12.0.1)
  v: 4.6 Mesa 21.2.3 direct render: Yes
Audio:
  Device-1: AMD Raven/Raven2/Fenghuang HDMI/DP Audio vendor: Lenovo
  driver: snd_hda_intel v: kernel bus-ID: 03:00.1 chip-ID: 1002:15de
  Device-2: AMD Raven/Raven2/FireFlight/Renoir Audio Processor
  vendor: Lenovo driver: N/A bus-ID: 03:00.5 chip-ID: 1022:15e2
  Device-3: AMD Family 17h HD Audio vendor: Lenovo driver: snd_hda_intel
  v: kernel bus-ID: 03:00.6 chip-ID: 1022:15e3
  Sound Server-1: ALSA v: k5.10.70-1-MANJARO running: yes
  Sound Server-2: JACK v: 1.9.19 running: no
  Sound Server-3: PulseAudio v: 15.0 running: yes
  Sound Server-4: PipeWire v: 0.3.38 running: yes
Network:
  Device-1: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter
  vendor: Lenovo driver: ath10k_pci v: kernel bus-ID: 02:00.0
  chip-ID: 168c:003e
  IF: wlp2s0 state: up mac: <filter>
Bluetooth:
  Device-1: Qualcomm Atheros QCA61x4 Bluetooth 4.0 type: USB driver: btusb
  v: 0.8 bus-ID: 3-2:3 chip-ID: 0cf3:e300
  Report: rfkill ID: hci0 rfk-id: 3 state: down bt-service: enabled,running
  rfk-block: hardware: no software: yes address: see --recommends
Drives:
  Local Storage: total: 1.03 TiB used: 278.01 GiB (26.5%)
  ID-1: /dev/nvme0n1 vendor: Samsung model: MZALQ128HBHQ-000L2
  size: 119.24 GiB speed: 31.6 Gb/s lanes: 4 serial: <filter> temp: 28.9 C
  ID-2: /dev/sda vendor: Seagate model: ST1000LM035-1RK172 size: 931.51 GiB
  speed: 6.0 Gb/s serial: <filter>
Partition:
  ID-1: / size: 107.92 GiB used: 82.7 GiB (76.6%) fs: ext4
  dev: /dev/nvme0n1p2
  ID-2: /boot/efi size: 299.4 MiB used: 300 KiB (0.1%) fs: vfat
  dev: /dev/nvme0n1p1
Swap:
  ID-1: swap-1 type: partition size: 8.8 GiB used: 0 KiB (0.0%) priority: -2
  dev: /dev/nvme0n1p3
Sensors:
  System Temperatures: cpu: 57.6 C mobo: N/A gpu: amdgpu temp: 57.0 C
  Fan Speeds (RPM): N/A
Info:
  Processes: 272 Uptime: 45m Memory: 5.74 GiB used: 2.17 GiB (37.8%)
  Init: systemd v: 249 Compilers: gcc: 11.1.0 Packages: 1384 pacman: 1359
  flatpak: 20 snap: 5 Shell: Bash v: 5.1.8 running-in: xfce4-terminal
  inxi: 3.3.07

$ ls /sys/class/backlight/
amdgpu_bl0

$ ls /sys/class/backlight/amdgpu_bl0
actual_brightness  brightness  max_brightness  scale      type
bl_power           device      power           subsystem  uevent
Edit : J'ai oublier de dire que lors du boot du PC (quand il y a le logo de la marque pour ma part Lenovo) la luminosité est la même c'est-à-dire très faible.
Dernière modification par PasDidéeil y a 2 ans, modifié au total 1 fois.

Problème de luminosité

#2Messageil y a 2 ans

Problème de luminosité

#3Messageil y a 2 ans

J'ai oublier de dire que lors du boot du PC (quand il y a le logo de la marque pour ma part Lenovo) la luminosité est la même c'est-à-dire très faible.

J'ai essayer la solution mais la luminosité reste inchangé. Donc je n'ai pas écrit le service pour qu'il démarre au démarrage.
Voici les résultat des commande :

$ systemctl status systemd-backlight@backlight:amdgpu_bl0
× systemd-backlight@backlight:amdgpu_bl0.service - Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0
     Loaded: loaded (/usr/lib/systemd/system/systemd-backlight@.service; static)
     Active: failed (Result: exit-code) since Sat 2021-10-16 13:42:20 AST; 3h 11min left
       Docs: man:systemd-backlight@.service(8)
    Process: 930 ExecStart=/usr/lib/systemd/systemd-backlight load backlight:amdgpu_bl0 (code=exited, status=1/FAILURE)
   Main PID: 930 (code=exited, status=1/FAILURE)
        CPU: 5ms

oct. 16 13:42:20 yannis-lenovo systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0...
oct. 16 13:42:20 yannis-lenovo systemd-backlight[930]: amdgpu_bl0: Failed to write system 'brightness' attribute: Invalid argument
oct. 16 13:42:20 yannis-lenovo systemd[1]: systemd-backlight@backlight:amdgpu_bl0.service: Main process exited, code=exited, status=1/FAILURE
oct. 16 13:42:20 yannis-lenovo systemd[1]: systemd-backlight@backlight:amdgpu_bl0.service: Failed with result 'exit-code'.
oct. 16 13:42:20 yannis-lenovo systemd[1]: Failed to start Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0.

$ sudo systemctl start systemd-backlight@backlight:amdgpu_bl0
$ systemctl status systemd-backlight@backlight:amdgpu_bl0
● systemd-backlight@backlight:amdgpu_bl0.service - Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0
     Loaded: loaded (/usr/lib/systemd/system/systemd-backlight@.service; static)
     Active: active (exited) since Sat 2021-10-16 10:31:23 AST; 5s ago
       Docs: man:systemd-backlight@.service(8)
    Process: 5249 ExecStart=/usr/lib/systemd/systemd-backlight load backlight:amdgpu_bl0 (code=exited, status=0/SUCCESS)
   Main PID: 5249 (code=exited, status=0/SUCCESS)
        CPU: 6ms

oct. 16 10:31:23 yannis-lenovo systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0...
oct. 16 10:31:23 yannis-lenovo systemd[1]: Finished Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0.
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