1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 26a9ee8afSDave Airlieconfig VGA_SWITCHEROO 3ca117d6dSRandy Dunlap bool "Laptop Hybrid Graphics - GPU switching support" 46a9ee8afSDave Airlie depends on X86 56a9ee8afSDave Airlie depends on ACPI 694e8e8e9SSinan Kaya depends on PCI 7*2f4230faSThomas Zimmermann depends on FB=y 8343d4a79SDave Airlie select VGA_ARB 96a9ee8afSDave Airlie help 10ca117d6dSRandy Dunlap Many laptops released in 2008/9/10 have two GPUs with a multiplexer 116a9ee8afSDave Airlie to switch between them. This adds support for dynamic switching when 126a9ee8afSDave Airlie X isn't running and delayed switching until the next logoff. This 13ca117d6dSRandy Dunlap feature is called hybrid graphics, ATI PowerXpress, and Nvidia 146a9ee8afSDave Airlie HybridPower. 15