drivers/gpu/vga/Kconfig

File Facts

System

Linux kernel

Corpus path

drivers/gpu/vga/Kconfig

Extension

[no extension]

Size

499 bytes

Lines

15

Domain

Driver Families

Bucket

drivers/gpu

Inferred role

Driver Families: build/configuration rule

Status

atlas-only

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

# 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 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.

Annotation

• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: atlas-only.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.