What does the kernel boot parameter "set acpi_osi=Linux" do?
- by AIB
I am facing an issue with brightness control in my laptop which has Intel HD graphics. So when I searched for a fix I found that a common suggestion is to edit the GRUB file line,
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor"
So could anyone tell me what the…