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

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/gt/intel_renderstate.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/gt/intel_renderstate.h
Extension
.h
Size
1393 bytes
Lines
53
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 intel_renderstate_rodata {
	const u32 *reloc;
	const u32 *batch;
	const u32 batch_items;
};

#define RO_RENDERSTATE(_g)						\
	const struct intel_renderstate_rodata gen ## _g ## _null_state = { \
		.reloc = gen ## _g ## _null_state_relocs,		\
		.batch = gen ## _g ## _null_state_batch,		\
		.batch_items = sizeof(gen ## _g ## _null_state_batch)/4, \
	}

extern const struct intel_renderstate_rodata gen6_null_state;
extern const struct intel_renderstate_rodata gen7_null_state;
extern const struct intel_renderstate_rodata gen8_null_state;
extern const struct intel_renderstate_rodata gen9_null_state;

struct intel_renderstate {
	struct i915_gem_ww_ctx ww;
	const struct intel_renderstate_rodata *rodata;
	struct i915_vma *vma;
	u32 batch_offset;
	u32 batch_size;
	u32 aux_offset;
	u32 aux_size;
};

int intel_renderstate_init(struct intel_renderstate *so,
			   struct intel_context *ce);
int intel_renderstate_emit(struct intel_renderstate *so,
			   struct i915_request *rq);
void intel_renderstate_fini(struct intel_renderstate *so,
			    struct intel_context *ce);

#endif /* _INTEL_RENDERSTATE_H_ */

Annotation

Implementation Notes