CONFIG_VGA_SWITCHEROO: Laptop Hybrid Graphics - GPU switching support

General informations

The Linux kernel configuration item CONFIG_VGA_SWITCHEROO has multiple definitions:

Laptop Hybrid Graphics - GPU switching support found in drivers/gpu/vga/Kconfig

The configuration item CONFIG_VGA_SWITCHEROO:

• prompt: Laptop Hybrid Graphics - GPU switching support
• type: bool
• depends on: ( CONFIG_X86 ) && ( CONFIG_ACPI ) && ( CONFIG_PCI ) && (( CONFIG_FRAMEBUFFER_CONSOLE = CONFIG_n || CONFIG_FB = CONFIG_y ))
• defined in drivers/gpu/vga/Kconfig
• found in Linux kernels: 2.6.35–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

Many laptops released in 2008/9/10 have two GPUs with a multiplexer to switch between them. This adds support for dynamic switching when X isn't running and delayed switching until the next logoff. This feature is called hybrid graphics, ATI PowerXpress, and Nvidia HybridPower.

Laptop Hybrid Grapics - GPU switching support found in drivers/gpu/vga/Kconfig

The configuration item CONFIG_VGA_SWITCHEROO:

• prompt: Laptop Hybrid Grapics - GPU switching support
• type: bool
• depends on: ( CONFIG_X86 ) && ( CONFIG_ACPI )
• defined in drivers/gpu/vga/Kconfig
• found in Linux kernels: 2.6.34

Help text

Many laptops released in 2008/9/10 have two gpus with a multiplxer to switch between them. This adds support for dynamic switching when X isn't running and delayed switching until the next logoff. This features is called hybrid graphics, ATI PowerXpress, and Nvidia HybridPower.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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