endless-suspend

1 files changed, 59 insertions, 0 deletions

diff --git a/tests/i915/gem_exec_endless.c b/tests/i915/gem_exec_endless.c
index f32e6dae..72edff1d 100644
--- a/tests/i915/gem_exec_endless.c
+++ b/tests/i915/gem_exec_endless.c
@@ -318,6 +318,46 @@ static void endless_dispatch(int i915, const struct intel_execution_engine2 *e)
 	gem_close(i915, handle);
 }
 
+static void endless_suspend(int i915, unsigned 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);
+		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), 1);
+		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);
+}
+
 #define test_each_engine(T, i915, e) \
 	igt_subtest_with_dynamic(T) __for_each_physical_engine(i915, e) \
 		for_each_if(gem_class_can_store_dword(i915, (e)->class)) \
@@ -360,6 +400,25 @@ igt_main
 		igt_require_gem(i915);
 	}
 
+	igt_subtest_with_dynamic("suspend") {
+		static const struct suspend {
+			const char *name;
+			unsigned int flags;
+		} phases[] = {
+#define TEST (SUSPEND_TEST_DEVICES << 16)
+			{ "S0", SUSPEND_STATE_FREEZE },
+			{ "S3-devices", SUSPEND_STATE_MEM | TEST },
+			{ "S3", SUSPEND_STATE_MEM },
+			{ "S4-devices", SUSPEND_STATE_DISK | TEST },
+			{ "S4", SUSPEND_STATE_DISK },
+			{ }
+		};
+
+		for (const struct suspend *s = phases; s->name; s++)
+			igt_dynamic_f("%s", s->name)
+				endless_suspend(i915, s->flags);
+	}
+
 	igt_subtest_group {
 		struct intel_mmio_data mmio;
 		int sysfs;