Verify that an endless batch is not forcibly reset across suspend, but
allowed to finish its task on resume.
Just an initial stub for the most concerning problem.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
tests/Makefile.sources | 3 ++
tests/i915/gem_exec_endless.c | 94 +++++++++++++++++++++++++++++++++++
tests/meson.build | 1 +
3 files changed, 98 insertions(+)
create mode 100644 tests/i915/gem_exec_endless.c
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 08c664776..d63f14b06 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -259,6 +259,9 @@ gem_exec_schedule_SOURCES = i915/gem_exec_schedule.c
TESTS_progs += gem_exec_store
gem_exec_store_SOURCES = i915/gem_exec_store.c
+TESTS_progs += gem_exec_endless
+gem_exec_endless_SOURCES = i915/gem_exec_endless.c
+
TESTS_progs += gem_exec_suspend
gem_exec_suspend_SOURCES = i915/gem_exec_suspend.c
diff --git a/tests/i915/gem_exec_endless.c b/tests/i915/gem_exec_endless.c
new file mode 100644
index 000000000..89f7123bd
--- /dev/null
+++ b/tests/i915/gem_exec_endless.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright © 2019 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "igt.h"
+#include "i915/gem_ring.h"
+#include "sw_sync.h"
+
+#define MAX_ENGINES 64
+
+static void endless_suspend(int i915, int state)
+{
+ struct intel_execution_engine2 *e;
+ igt_spin_t *spin[MAX_ENGINES];
+ igt_spin_t *wait[MAX_ENGINES];
+ int count;
+
+ gem_quiescent_gpu(i915);
+
+ count = 0;
+ __for_each_physical_engine(i915, e) {
+ spin[count++] = igt_spin_new(i915,
+ .engine = e->flags,
+ .flags = (IGT_SPIN_FENCE_OUT |
+ IGT_SPIN_NO_PREEMPTION));
+ wait[count++] = igt_spin_new(i915,
+ .engine = e->flags,
+ .flags = IGT_SPIN_POLL_RUN);
+ }
+
+ igt_system_suspend_autoresume(state & 0xffff, state >> 16);
+
+ for (int n = 0; n < count; n++) {
+ igt_assert(gem_bo_busy(i915, spin[n]->handle));
+ igt_assert(gem_bo_busy(i915, wait[n]->handle));
+ igt_assert(!igt_spin_has_started(wait[n]));
+
+ igt_spin_end(spin[n]);
+ igt_spin_busywait_until_started(wait[n]);
+
+ igt_assert(!gem_bo_busy(i915, spin[n]->handle));
+ igt_assert_eq(sync_fence_status(spin[n]->out_fence), 0);
+ igt_spin_free(i915, spin[n]);
+
+ igt_assert(gem_bo_busy(i915, wait[n]->handle));
+ igt_spin_free(i915, wait[n]);
+ }
+
+ gem_quiescent_gpu(i915);
+}
+
+igt_main
+{
+ int i915 = -1;
+
+ igt_skip_on_simulation();
+
+ igt_fixture {
+ i915 = drm_open_driver(DRIVER_INTEL);
+ igt_require_gem(i915);
+ }
+
+ igt_subtest_with_dynamic("suspend") {
+ igt_dynamic("S0")
+ endless_suspend(i915, SUSPEND_STATE_FREEZE);
+ igt_dynamic("S3")
+ endless_suspend(i915, SUSPEND_STATE_MEM);
+ igt_dynamic("S4-devices")
+ endless_suspend(i915,
+ SUSPEND_STATE_DISK |
+ SUSPEND_TEST_DEVICES << 16);
+ igt_dynamic("S4")
+ endless_suspend(i915, SUSPEND_STATE_DISK);
+ }
+}
diff --git a/tests/meson.build b/tests/meson.build
index 154b7ad16..65a5b4d2a 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -138,6 +138,7 @@ i915_progs = [
'gem_exec_big',
'gem_exec_capture',
'gem_exec_create',
+ 'gem_exec_endless',
'gem_exec_faulting_reloc',
'gem_exec_fence',
'gem_exec_flush',
--
2.25.0
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