drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h

Extension

.h

Size

2723 bytes

Lines

80

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

• gpio_regs.h

Detected Declarations

• struct hpd_registers
• struct hpd_sh_mask

Annotated Snippet

struct hpd_registers {
	struct gpio_registers gpio;
	uint32_t int_status;
	uint32_t toggle_filt_cntl;
};

struct hpd_sh_mask {
	/* int_status */
	uint32_t DC_HPD_SENSE_DELAYED;
	uint32_t DC_HPD_SENSE;
	/* toggle_filt_cntl */
	uint32_t DC_HPD_CONNECT_INT_DELAY;
	uint32_t DC_HPD_DISCONNECT_INT_DELAY;
};


#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ */

Annotation

• Immediate include surface: `gpio_regs.h`.
• Detected declarations: `struct hpd_registers`, `struct hpd_sh_mask`.
• 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.