drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h

Extension

.h

Size

516 bytes

Lines

26

Domain

Driver Families

Bucket

drivers/gpu

Inferred role

Driver Families: implementation source

Status

source implementation candidate

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.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

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

Detected Declarations

• struct nvbios_vpstate_header
• struct nvbios_vpstate_entry

Annotated Snippet

struct nvbios_vpstate_header {
	u32 offset;

	u8 version;
	u8 hlen;
	u8 ecount;
	u8 elen;
	u8 scount;
	u8 slen;

	u8 base_id;
	u8 boost_id;
	u8 tdp_id;
};
struct nvbios_vpstate_entry {
	u8  pstate;
	u16 clock_mhz;
};
int nvbios_vpstate_parse(struct nvkm_bios *, struct nvbios_vpstate_header *);
int nvbios_vpstate_entry(struct nvkm_bios *, struct nvbios_vpstate_header *,
			 u8 idx, struct nvbios_vpstate_entry *);
#endif

Annotation

• Detected declarations: `struct nvbios_vpstate_header`, `struct nvbios_vpstate_entry`.
• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: source implementation candidate.

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.