| # SPDX-License-Identifier: GPL-2.0-only |
| 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 |
| 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. |