drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h

Extension

.h

Size

1072 bytes

Lines

50

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

• dpu_kms.h

Detected Declarations

• struct dpu_vbif_set_ot_params
• struct dpu_vbif_set_memtype_params
• struct dpu_vbif_set_qos_params

Annotated Snippet

struct dpu_vbif_set_ot_params {
	u32 xin_id;
	u32 num;
	u32 width;
	u32 height;
	u32 frame_rate;
	bool rd;
	bool is_wfd;
};

struct dpu_vbif_set_memtype_params {
	u32 xin_id;
	bool is_cacheable;
};

/**
 * struct dpu_vbif_set_qos_params - QoS remapper parameter
 * @xin_id: client interface identifier
 * @num: pipe identifier (debug only)
 * @is_rt: true if pipe is used in real-time use case
 */
struct dpu_vbif_set_qos_params {
	u32 xin_id;
	u32 num;
	bool is_rt;
};

void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
		struct dpu_vbif_set_ot_params *params);

void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
		struct dpu_vbif_set_qos_params *params);

void dpu_vbif_clear_errors(struct dpu_kms *dpu_kms);

void dpu_vbif_init_memtypes(struct dpu_kms *dpu_kms);

void dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root);

#endif /* __DPU_VBIF_H__ */

Annotation

• Immediate include surface: `dpu_kms.h`.
• Detected declarations: `struct dpu_vbif_set_ot_params`, `struct dpu_vbif_set_memtype_params`, `struct dpu_vbif_set_qos_params`.
• 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.