As I told I have an other similar laptop with discrete GPU: Product Name : Aspire A315-41G With cpu: model name : AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx
It works. I'm attaching the fwts output just now... The command sudo kprobe-perf 'p:dce_abm_set_backlight_level_pwm $arg1 $arg2 $arg3 $arg4 $arg5 ' Tracing kprobe dce_abm_set_backlight_level_pwm. Ctrl-C to end. mate-power-back-9415 [000] ...1 2421.242531: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x2117 arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9421 [003] ...1 2422.216410: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x2c19 arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9426 [004] ...1 2423.080217: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x371b arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9431 [005] ...1 2424.162837: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x421d arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9436 [002] ...1 2424.986163: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x371b arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9441 [004] ...1 2425.816147: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x2c19 arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9446 [000] ...1 2426.372179: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x2117 arg3=0x0 arg4=0x1 arg5=0x1 mate-power-back-9451 [001] ...1 2426.897445: dce_abm_set_backlight_level_pwm: (dce_abm_set_backlight_level_pwm+0x0/0x440 [amdgpu]) arg1=0xffff8dbd577bfd00 arg2=0x1616 arg3=0x0 arg4=0x1 arg5=0x1 with arg5=0x1... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861925 Title: BrightnessOutofRange: Actual brightness for amdgpu_bl0 not in range 0..255 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861925/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
