diff options
Diffstat (limited to 'tests/i915')
| -rw-r--r-- | tests/i915/gem_ctx_engines.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/i915/gem_ctx_engines.c b/tests/i915/gem_ctx_engines.c index 063140e0..62f30598 100644 --- a/tests/i915/gem_ctx_engines.c +++ b/tests/i915/gem_ctx_engines.c @@ -549,6 +549,74 @@ static void independent(int i915) gem_context_destroy(i915, param.ctx_id); } +static void libapi(int i915) +{ + I915_DEFINE_CONTEXT_PARAM_ENGINES(engines, 64) = {}; + struct drm_i915_gem_context_param p = { + .ctx_id = gem_context_create(i915), + .param = I915_CONTEXT_PARAM_ENGINES, + .value = to_user_pointer(&engines), + }; + const struct intel_execution_engine2 *e; + unsigned int count, idx; + + p.size = sizeof(struct i915_context_param_engines); + gem_context_set_param(i915, &p); + + /* An empty context should be a short loop */ + count = 0; + for_each_context_engine(i915, p.ctx_id, e) + count++; + igt_assert_eq(count, 0); + + p.size += sizeof(struct i915_engine_class_instance); + engine_class(&engines, 0) = -1; + engine_instance(&engines, 0) = -1; + gem_context_set_param(i915, &p); + + /* We report all engines from the context, even if invalid/unusable */ + count = 0; + for_each_context_engine(i915, p.ctx_id, e) { + igt_assert_eq(e->class, engine_class(&engines, 0)); + igt_assert_eq(e->instance, engine_instance(&engines, 0)); + count++; + } + igt_assert_eq(count, 1); + + /* Check that every known engine can be found from the context map */ + idx = 0; + p.size = sizeof(struct i915_context_param_engines); + p.size += sizeof(struct i915_engine_class_instance); + for (engine_class(&engines, idx) = 0; + engine_class(&engines, idx) < 16; + engine_class(&engines, idx)++) { + for (engine_instance(&engines, idx) = 0; + engine_instance(&engines, idx) < 16; + engine_instance(&engines, idx)++) { + if (__gem_context_set_param(i915, &p)) + break; + + count = 0; + for_each_context_engine(i915, p.ctx_id, e) { + igt_assert_eq(e->class, + engine_class(&engines, count)); + igt_assert_eq(e->instance, + engine_instance(&engines, count)); + count++; + } + igt_assert_eq(count, idx + 1); + + engines.engines[(idx + 1) % 64] = engines.engines[idx]; + idx = (idx + 1) % 64; + + p.size = sizeof(struct i915_context_param_engines); + p.size += (idx + 1) * sizeof(struct i915_engine_class_instance); + } + } + + gem_context_destroy(i915, p.ctx_id); +} + igt_main { int i915 = -1; @@ -584,6 +652,9 @@ igt_main igt_subtest("independent") independent(i915); + igt_subtest("libapi") + libapi(i915); + igt_fixture igt_stop_hang_detector(); } |