drivers/gpu/drm/i915/selftests/igt_live_test.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/selftests/igt_live_test.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/selftests/igt_live_test.h
Extension
.h
Size
918 bytes
Lines
37
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 igt_live_test {
	struct drm_i915_private *i915;
	const char *func;
	const char *name;

	unsigned int reset_global;
	unsigned int reset_engine[I915_MAX_GT][I915_NUM_ENGINES];
};

/*
 * Flush the GPU state before and after the test to ensure that no residual
 * code is running on the GPU that may affect this test. Also compare the
 * state before and after the test and alert if it unexpectedly changes,
 * e.g. if the GPU was reset.
 */
int igt_live_test_begin(struct igt_live_test *t,
			struct drm_i915_private *i915,
			const char *func,
			const char *name);
int igt_live_test_end(struct igt_live_test *t);

#endif /* IGT_LIVE_TEST_H */

Annotation

Implementation Notes