[Intel-gfx] [PATCH igt 2/2] igt/core_suspend: Exercise igt_system_suspend_autoresume()

[Chris Wilson]

We have various basic suspend and debug modes, so iterate over them to
check they each work without test interference. This help work out the
cause of any suspend bugs.

v2: Smelling fixes.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/Makefile.sources |  1 +
 tests/core_suspend.c   | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 tests/core_suspend.c

diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 9c9fb316..b3f094b0 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -26,6 +26,7 @@ TESTS_progs = \
 	core_getversion \
 	core_prop_blob \
 	core_setmaster_vs_auth \
+	core_suspend \
 	debugfs_test \
 	drm_import_export \
 	drm_mm \
diff --git a/tests/core_suspend.c b/tests/core_suspend.c
new file mode 100644
index 00000000..91526095
--- /dev/null
+++ b/tests/core_suspend.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright © 2017 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"
+
+igt_main
+{
+	const struct mode {
+		const char *name;
+		unsigned int mode;
+	} suspend[] = {
+		{ "freeze", SUSPEND_STATE_FREEZE },
+		{ "standby", SUSPEND_STATE_STANDBY },
+		{ "mem", SUSPEND_STATE_MEM },
+		{ "disk", SUSPEND_STATE_DISK },
+		{}
+	}, debug[] = {
+		{ "freezer", SUSPEND_TEST_FREEZER },
+		{ "devices", SUSPEND_TEST_DEVICES },
+		{ "platform", SUSPEND_TEST_PLATFORM },
+		{ "processors", SUSPEND_TEST_PROCESSORS },
+		{ "core", SUSPEND_TEST_CORE },
+		{ "full", SUSPEND_TEST_NONE },
+		{}
+	};
+
+	igt_skip_on_simulation();
+
+	/* unload all drivers? */
+
+	for (const struct mode *s = suspend; s->name; s++) {
+		for (const struct mode *d = debug; d->name; d++) {
+			igt_subtest_f("suspend-%s-%s", s->name, d->name)
+				igt_system_suspend_autoresume(s->mode, d->mode);
+		}
+	}
+
+	/* again with drivers loaded? */
+}
-- 
2.15.0.rc0