Hi Paul, On 1/11/22 12:28, Paul Menzel wrote: > Dear Linux folks, > > > I am using Linux 5.16, and I am unable to unset `VGA_ARB` in Kconfig (`make menuconfig`). I have an Asus F2A85-M PRO with an AMD A6-6400K APU (integrated Radeon graphics device), so no legacy stuff. > > From `drivers/gpu/vga/Kconfig`: > > ``` > config VGA_ARB > bool "VGA Arbitration" if EXPERT You can modify VGA_ARB if you set ^^^^^^ "EXPERT". > default y > depends on (PCI && !S390) > help > […] > > config VGA_ARB_MAX_GPUS > int "Maximum number of GPUs" > default 16 > depends on VGA_ARB > help > […] > > config VGA_SWITCHEROO > bool "Laptop Hybrid Graphics - GPU switching support" > depends on X86 > depends on ACPI > depends on PCI > depends on (FRAMEBUFFER_CONSOLE=n || FB=y) > select VGA_ARB > help > […] > ``` > > But in `make menuconfig` I am unable to unselect it. > > -*- VGA Arbitration > > and the help says: > > Symbol: VGA_ARB [=y] > Type : bool > Depends on: HAS_IOMEM [=y] && PCI [=y] && !S390 > Visible if: HAS_IOMEM [=y] && PCI [=y] && !S390 && EXPERT [=n] > Location: > Main menu > -> Device Drivers > -> Graphics support > Selected by [n]: > - VGA_SWITCHEROO [=n] && HAS_IOMEM [=y] && X86 [=y] && ACPI [=y] && PCI [=y] && (!FRAMEBUFFER_CONSOLE [=y] || FB [=y]=y) > > So, VGA_SWITCHEROO is not set, and, therefore, as `Selected by [n]:` suggests, I thought I’d be able to deselect it. > > It’d be great if you could help me out. > > > Kind regards, > > Paul -- ~Randy
