drivers/gpu/drm/i915/gt/gen8_ppgtt.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/i915/gt/gen8_ppgtt.h

Extension

.h

Size

401 bytes

Lines

22

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/kernel.h

Detected Declarations

• struct i915_address_space
• struct intel_gt

Annotated Snippet

#ifndef __GEN8_PPGTT_H__
#define __GEN8_PPGTT_H__

#include <linux/kernel.h>

struct i915_address_space;
struct intel_gt;

struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
				     unsigned long lmem_pt_obj_flags);

u64 gen8_ggtt_pte_encode(dma_addr_t addr,
			 unsigned int pat_index,
			 u32 flags);

#endif

Annotation

• Immediate include surface: `linux/kernel.h`.
• Detected declarations: `struct i915_address_space`, `struct intel_gt`.
• 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.