drivers/gpu/drm/i915/i915_reg_defs.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/i915/i915_reg_defs.h

Extension

.h

Size

1342 bytes

Lines

55

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

• drm/intel/pick.h
• drm/intel/reg_bits.h

Detected Declarations

• struct i915_irq_regs
• struct i915_error_regs

Annotated Snippet

struct i915_irq_regs {
	i915_reg_t imr;
	i915_reg_t ier;
	i915_reg_t iir;
};

#define I915_IRQ_REGS(_imr, _ier, _iir) \
	((const struct i915_irq_regs){ .imr = (_imr), .ier = (_ier), .iir = (_iir) })

struct i915_error_regs {
	i915_reg_t emr;
	i915_reg_t eir;
};

#define I915_ERROR_REGS(_emr, _eir) \
	((const struct i915_error_regs){ .emr = (_emr), .eir = (_eir) })

#endif /* __I915_REG_DEFS__ */

Annotation

• Immediate include surface: `drm/intel/pick.h`, `drm/intel/reg_bits.h`.
• Detected declarations: `struct i915_irq_regs`, `struct i915_error_regs`.
• 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.