drivers/gpu/drm/i915/display/intel_sbi.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/i915/display/intel_sbi.h

Extension

.h

Size

699 bytes

Lines

28

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

• linux/types.h

Detected Declarations

• struct intel_display
• enum intel_sbi_destination

Annotated Snippet

#ifndef _INTEL_SBI_H_
#define _INTEL_SBI_H_

#include <linux/types.h>

struct intel_display;

enum intel_sbi_destination {
	SBI_ICLK,
	SBI_MPHY,
};

void intel_sbi_init(struct intel_display *display);
void intel_sbi_fini(struct intel_display *display);
void intel_sbi_lock(struct intel_display *display);
void intel_sbi_unlock(struct intel_display *display);
u32 intel_sbi_read(struct intel_display *display, u16 reg,
		   enum intel_sbi_destination destination);
void intel_sbi_write(struct intel_display *display, u16 reg, u32 value,
		     enum intel_sbi_destination destination);

#endif /* _INTEL_SBI_H_ */

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct intel_display`, `enum intel_sbi_destination`.
• 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.