When we allow a wait on a future future fence, it must autoexpire if the fence is never signaled by userspace.
Signed-off-by: Chris Wilson <[email protected]> --- tests/i915/gem_exec_fence.c | 243 +++++++++++++++++++++++++++++++++++- 1 file changed, 240 insertions(+), 3 deletions(-) diff --git a/tests/i915/gem_exec_fence.c b/tests/i915/gem_exec_fence.c index ebd0f931f..31788d55e 100644 --- a/tests/i915/gem_exec_fence.c +++ b/tests/i915/gem_exec_fence.c @@ -46,6 +46,15 @@ struct sync_merge_data { #define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data) #endif +#define MI_SEMAPHORE_WAIT (0x1c << 23) +#define MI_SEMAPHORE_POLL (1 << 15) +#define MI_SEMAPHORE_SAD_GT_SDD (0 << 12) +#define MI_SEMAPHORE_SAD_GTE_SDD (1 << 12) +#define MI_SEMAPHORE_SAD_LT_SDD (2 << 12) +#define MI_SEMAPHORE_SAD_LTE_SDD (3 << 12) +#define MI_SEMAPHORE_SAD_EQ_SDD (4 << 12) +#define MI_SEMAPHORE_SAD_NEQ_SDD (5 << 12) + static void store(int fd, const struct intel_execution_engine2 *e, int fence, uint32_t target, unsigned offset_value) { @@ -917,11 +926,12 @@ static void test_syncobj_invalid_wait(int fd) struct drm_i915_gem_exec_fence fence = { .handle = syncobj_create(fd, 0), }; + int out; memset(&execbuf, 0, sizeof(execbuf)); execbuf.buffers_ptr = to_user_pointer(&obj); execbuf.buffer_count = 1; - execbuf.flags = I915_EXEC_FENCE_ARRAY; + execbuf.flags = I915_EXEC_FENCE_ARRAY | I915_EXEC_FENCE_OUT; execbuf.cliprects_ptr = to_user_pointer(&fence); execbuf.num_cliprects = 1; @@ -929,14 +939,55 @@ static void test_syncobj_invalid_wait(int fd) obj.handle = gem_create(fd, 4096); gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe)); - /* waiting before the fence is set is invalid */ + /* waiting before the fence is set is^W may be invalid */ fence.flags = I915_EXEC_FENCE_WAIT; - igt_assert_eq(__gem_execbuf(fd, &execbuf), -EINVAL); + if (__gem_execbuf_wr(fd, &execbuf)) + igt_assert_eq(__gem_execbuf(fd, &execbuf), -EINVAL); + + /* If we do allow the wait on a future fence, it should autoexpire */ + gem_sync(fd, obj.handle); + out = execbuf.rsvd2 >> 32; + igt_assert_eq(sync_fence_status(out), -ETIMEDOUT); + close(out); gem_close(fd, obj.handle); syncobj_destroy(fd, fence.handle); } +static void test_syncobj_incomplete_wait_submit(int i915) +{ + struct drm_i915_gem_exec_object2 obj = { + .handle = batch_create(i915), + }; + struct drm_i915_gem_exec_fence fence = { + .handle = syncobj_create(i915, 0), + .flags = I915_EXEC_FENCE_WAIT | I915_EXEC_FENCE_WAIT_SUBMIT, + }; + struct drm_i915_gem_execbuffer2 execbuf = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + + .cliprects_ptr = to_user_pointer(&fence), + .num_cliprects = 1, + + .flags = I915_EXEC_FENCE_ARRAY | I915_EXEC_FENCE_OUT, + }; + int out; + + /* waiting before the fence is set is^W may be invalid */ + if (__gem_execbuf_wr(i915, &execbuf)) + igt_assert_eq(__gem_execbuf(i915, &execbuf), -EINVAL); + + /* If we do allow the wait on a future fence, it should autoexpire */ + gem_sync(i915, obj.handle); + out = execbuf.rsvd2 >> 32; + igt_assert_eq(sync_fence_status(out), -ETIMEDOUT); + close(out); + + gem_close(i915, obj.handle); + syncobj_destroy(i915, fence.handle); +} + static void test_syncobj_invalid_flags(int fd) { const uint32_t bbe = MI_BATCH_BUFFER_END; @@ -1083,6 +1134,177 @@ static void test_syncobj_wait(int fd) } } +static uint32_t future_end_batch(int i915, uint32_t offset) +{ + uint32_t handle = gem_create(i915, 4096); + const int gen = intel_gen(intel_get_drm_devid(i915)); + uint32_t cs[16]; + int i = 0; + + cs[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0); + if (gen >= 8) { + cs[++i] = offset + 4000; + cs[++i] = 0; + } else if (gen >= 4) { + cs[++i] = 0; + cs[++i] = offset + 4000; + } else { + cs[i]--; + cs[++i] = offset + 4000; + } + cs[++i] = 1; + cs[i + 1] = MI_BATCH_BUFFER_END; + gem_write(i915, handle, 0, cs, sizeof(cs)); + + cs[i] = 2; + gem_write(i915, handle, 64, cs, sizeof(cs)); + + return handle; +} + +static void test_syncobj_future_end(int i915, unsigned int engine) +{ + struct drm_i915_gem_exec_object2 obj = { + .offset = 24 << 20, + .handle = future_end_batch(i915, 24 << 20), + .flags = EXEC_OBJECT_PINNED, + }; + struct drm_i915_gem_exec_fence fence = { + .handle = syncobj_create(i915, 0), + }; + struct drm_i915_gem_execbuffer2 execbuf = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + .cliprects_ptr = to_user_pointer(&fence), + .num_cliprects = 1, + .flags = engine | I915_EXEC_FENCE_ARRAY, + }; + uint32_t result; + + igt_require(gem_scheduler_enabled(i915)); + + execbuf.rsvd1 = gem_context_create(i915); + fence.flags = I915_EXEC_FENCE_WAIT; + execbuf.batch_start_offset = 0; + igt_require(__gem_execbuf(i915, &execbuf) == 0); /* writes 1 */ + gem_context_destroy(i915, execbuf.rsvd1); + + execbuf.rsvd1 = gem_context_create(i915); + fence.flags = I915_EXEC_FENCE_SIGNAL; + execbuf.batch_start_offset = 64; + gem_execbuf(i915, &execbuf); /* writes 2 */ + gem_context_destroy(i915, execbuf.rsvd1); + + gem_sync(i915, obj.handle); /* write hazard lies */ + gem_read(i915, obj.handle, 4000, &result, sizeof(result)); + igt_assert_eq(result, 1); + + gem_close(i915, obj.handle); + syncobj_destroy(i915, fence.handle); +} + +static uint32_t future_submit_batch(int i915, uint32_t offset) +{ + uint32_t handle = gem_create(i915, 4096); + const int gen = intel_gen(intel_get_drm_devid(i915)); + uint32_t cs[16]; + int i = 0; + + cs[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0); + if (gen >= 8) { + cs[++i] = offset + 4000; + cs[++i] = 0; + } else if (gen >= 4) { + cs[++i] = 0; + cs[++i] = offset + 4000; + } else { + cs[i]--; + cs[++i] = offset + 4000; + } + cs[++i] = 1; + cs[i + 1] = MI_BATCH_BUFFER_END; + igt_assert(i + 1 < ARRAY_SIZE(cs)); + gem_write(i915, handle, 0, cs, sizeof(cs)); + + i = 0; + cs[i++] = + MI_SEMAPHORE_WAIT | + MI_SEMAPHORE_POLL | + MI_SEMAPHORE_SAD_EQ_SDD | + (4 - 2); + cs[i++] = 1; + cs[i++] = offset + 4000; + cs[i++] = 0; + + cs[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0); + if (gen >= 8) { + cs[++i] = offset + 4000; + cs[++i] = 0; + } else if (gen >= 4) { + cs[++i] = 0; + cs[++i] = offset + 4000; + } else { + cs[i]--; + cs[++i] = offset + 4000; + } + cs[++i] = 2; + cs[++i] = MI_BATCH_BUFFER_END; + igt_assert(i < ARRAY_SIZE(cs)); + + gem_write(i915, handle, 64, cs, sizeof(cs)); + + return handle; +} + +static void test_syncobj_future_submit(int i915, unsigned int engine) +{ + struct drm_i915_gem_exec_object2 obj = { + .offset = 24 << 20, + .handle = future_submit_batch(i915, 24 << 20), + .flags = EXEC_OBJECT_PINNED, + }; + struct drm_i915_gem_exec_fence fence = { + .handle = syncobj_create(i915, 0), + }; + struct drm_i915_gem_execbuffer2 execbuf = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + .cliprects_ptr = to_user_pointer(&fence), + .num_cliprects = 1, + .flags = engine | I915_EXEC_FENCE_ARRAY, + }; + uint32_t result; + int out; + + igt_require(gem_scheduler_has_timeslicing(i915)); + + execbuf.rsvd1 = gem_context_create(i915); + fence.flags = I915_EXEC_FENCE_WAIT | I915_EXEC_FENCE_WAIT_SUBMIT; + execbuf.batch_start_offset = 0; + execbuf.flags |= I915_EXEC_FENCE_OUT; + igt_require(__gem_execbuf_wr(i915, &execbuf) == 0); /* writes 1 */ + execbuf.flags &= ~I915_EXEC_FENCE_OUT; + gem_context_destroy(i915, execbuf.rsvd1); + + execbuf.rsvd1 = gem_context_create(i915); + fence.flags = I915_EXEC_FENCE_SIGNAL; + execbuf.batch_start_offset = 64; + gem_execbuf(i915, &execbuf); /* writes 2 */ + gem_context_destroy(i915, execbuf.rsvd1); + + gem_sync(i915, obj.handle); /* write hazard lies */ + gem_read(i915, obj.handle, 4000, &result, sizeof(result)); + igt_assert_eq(result, 2); + + /* check we didn't autotimeout */ + out = execbuf.rsvd2 >> 32; + igt_assert_eq(sync_fence_status(out), 1); + close(out); + + gem_close(i915, obj.handle); + syncobj_destroy(i915, fence.handle); +} + static void test_syncobj_export(int fd) { const uint32_t bbe = MI_BATCH_BUFFER_END; @@ -1552,6 +1774,9 @@ igt_main igt_subtest("syncobj-invalid-wait") test_syncobj_invalid_wait(i915); + igt_subtest("syncobj-incomplete-wait-submit") + test_syncobj_incomplete_wait_submit(i915); + igt_subtest("syncobj-invalid-flags") test_syncobj_invalid_flags(i915); @@ -1561,6 +1786,18 @@ igt_main igt_subtest("syncobj-wait") test_syncobj_wait(i915); + igt_subtest_with_dynamic("syncobj-future-end") + __for_each_physical_engine(i915, e) { + igt_dynamic_f("%s", e->name) + test_syncobj_future_end(i915, e->flags); + } + + igt_subtest_with_dynamic("syncobj-future-submit") + __for_each_physical_engine(i915, e) { + igt_dynamic_f("%s", e->name) + test_syncobj_future_submit(i915, e->flags); + } + igt_subtest("syncobj-export") test_syncobj_export(i915); -- 2.26.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
