diff options
| -rw-r--r-- | tests/i915/gem_exec_schedule.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/i915/gem_exec_schedule.c b/tests/i915/gem_exec_schedule.c index a55b8452..330e8a54 100644 --- a/tests/i915/gem_exec_schedule.c +++ b/tests/i915/gem_exec_schedule.c @@ -603,6 +603,86 @@ static void semaphore_resolve(int i915) gem_context_destroy(i915, outer); } +static void semaphore_noskip(int i915) +{ + const int gen = intel_gen(intel_get_drm_devid(i915)); + unsigned int engine, other; + uint32_t ctx; + + igt_require(gen >= 6); /* MI_STORE_DWORD_IMM convenience */ + + ctx = gem_context_create(i915); + + for_each_physical_engine(i915, engine) { + for_each_physical_engine(i915, other) { + struct drm_i915_gem_exec_object2 obj[3]; + struct drm_i915_gem_execbuffer2 eb; + uint32_t handle, *cs, *map; + igt_spin_t *chain, *spin; + + if (other == engine || !gem_can_store_dword(i915, other)) + continue; + + chain = __igt_spin_new(i915, .engine = engine); + + spin = __igt_spin_new(i915, .engine = other); + igt_spin_end(spin); /* we just want its address for later */ + gem_sync(i915, spin->handle); + igt_spin_reset(spin); + + handle = gem_create(i915, 4096); + cs = map = gem_mmap__cpu(i915, handle, 0, 4096, PROT_WRITE); + + /* Cancel the following spinner */ + *cs++ = MI_STORE_DWORD_IMM; + if (gen >= 8) { + *cs++ = spin->obj[1].offset + offset_in_page(spin->condition); + *cs++ = 0; + } else { + *cs++ = 0; + *cs++ = spin->obj[1].offset + offset_in_page(spin->condition); + } + *cs++ = MI_BATCH_BUFFER_END; + + *cs++ = MI_BATCH_BUFFER_END; + munmap(map, 4096); + + /* port0: implicit semaphore from engine */ + memset(obj, 0, sizeof(obj)); + obj[0] = chain->obj[1]; + obj[0].flags |= EXEC_OBJECT_WRITE; + obj[1] = spin->obj[1]; + obj[2].handle = handle; + memset(&eb, 0, sizeof(eb)); + eb.buffer_count = 3; + eb.buffers_ptr = to_user_pointer(obj); + eb.rsvd1 = ctx; + eb.flags = other; + gem_execbuf(i915, &eb); + + /* port1: dependency chain from port0 */ + memset(obj, 0, sizeof(obj)); + obj[0].handle = handle; + obj[0].flags = EXEC_OBJECT_WRITE; + obj[1] = spin->obj[1]; + memset(&eb, 0, sizeof(eb)); + eb.buffer_count = 2; + eb.buffers_ptr = to_user_pointer(obj); + eb.flags = other; + gem_execbuf(i915, &eb); + + igt_spin_set_timeout(chain, NSEC_PER_SEC / 100); + gem_sync(i915, spin->handle); /* To hang unless cancel runs! */ + + gem_close(i915, handle); + igt_spin_free(i915, spin); + igt_spin_free(i915, chain); + } + } + + gem_context_destroy(i915, ctx); +} + static void reorder(int fd, unsigned ring, unsigned flags) #define EQUAL 1 { @@ -1592,6 +1672,8 @@ igt_main semaphore_codependency(fd); igt_subtest("semaphore-resolve") semaphore_resolve(fd); + igt_subtest("semaphore-noskip") + semaphore_noskip(fd); igt_subtest("smoketest-all") smoketest(fd, ALL_ENGINES, 30); |