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

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/display/intel_wm_types.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/display/intel_wm_types.h
Extension
.h
Size
1327 bytes
Lines
77
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.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ilk_wm_values {
	u32 wm_pipe[3];
	u32 wm_lp[3];
	u32 wm_lp_spr[3];
	bool enable_fbc_wm;
	enum intel_ddb_partitioning partitioning;
};

struct g4x_pipe_wm {
	u16 plane[I915_MAX_PLANES];
	u16 fbc;
};

struct g4x_sr_wm {
	u16 plane;
	u16 cursor;
	u16 fbc;
};

struct vlv_wm_ddl_values {
	u8 plane[I915_MAX_PLANES];
};

struct vlv_wm_values {
	struct g4x_pipe_wm pipe[3];
	struct g4x_sr_wm sr;
	struct vlv_wm_ddl_values ddl[3];
	u8 level;
	bool cxsr;
};

struct g4x_wm_values {
	struct g4x_pipe_wm pipe[2];
	struct g4x_sr_wm sr;
	struct g4x_sr_wm hpll;
	bool cxsr;
	bool hpll_en;
	bool fbc_en;
};

struct skl_ddb_entry {
	u16 start, end;	/* in number of blocks, 'end' is exclusive */
};

static inline u16 skl_ddb_entry_size(const struct skl_ddb_entry *entry)
{
	return entry->end - entry->start;
}

static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry *e1,
				       const struct skl_ddb_entry *e2)
{
	if (e1->start == e2->start && e1->end == e2->end)
		return true;

	return false;
}

#endif /* __INTEL_WM_TYPES_H__ */

Annotation

Implementation Notes