Simple starting point for adding seltests for i915_gem_request, first
mock a device (with engines and contexts) that allows us to construct
and execute a request, along with waiting for the request to complete.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_request.c | 5 ++
drivers/gpu/drm/i915/selftests/i915_gem_request.c | 66 ++++++++++++++++++++++
.../gpu/drm/i915/selftests/i915_mock_selftests.h | 1 +
3 files changed, 72 insertions(+)
create mode 100644 drivers/gpu/drm/i915/selftests/i915_gem_request.c
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index 7427aac74923..1ac3a134ae1a 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -1208,3 +1208,8 @@ void i915_gem_retire_requests(struct drm_i915_private *dev_priv)
for_each_engine(engine, dev_priv, id)
engine_retire_requests(engine);
}
+
+#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
+#include "selftests/mock_request.c"
+#include "selftests/i915_gem_request.c"
+#endif
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_request.c b/drivers/gpu/drm/i915/selftests/i915_gem_request.c
new file mode 100644
index 000000000000..43d92d8c8377
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_request.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2016 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 "i915_selftest.h"
+
+#include "mock_gem_device.h"
+
+static int igt_add_request(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_request *request;
+ int err = -ENOMEM;
+
+ mutex_lock(&i915->drm.struct_mutex);
+ request = mock_request(i915->engine[RCS],
+ i915->kernel_context,
+ HZ / 10);
+ if (!request)
+ goto out_unlock;
+
+ i915_add_request(request);
+
+ err = 0;
+out_unlock:
+ mutex_unlock(&i915->drm.struct_mutex);
+ return err;
+}
+
+int i915_gem_request_selftest(void)
+{
+ static const struct i915_subtest tests[] = {
+ SUBTEST(igt_add_request),
+ };
+ struct drm_i915_private *i915;
+ int err;
+
+ i915 = mock_gem_device();
+ if (!i915)
+ return -ENOMEM;
+
+ err = i915_subtests(tests, i915);
+ drm_dev_unref(&i915->drm);
+
+ return err;
+}
diff --git a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
index fdee6c88e415..09374df0d867 100644
--- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
@@ -11,3 +11,4 @@
selftest(sanitycheck, i915_mock_sanitycheck) /* keep first (igt selfcheck) */
selftest(scatterlist, mock_scatterlist_selftests)
selftest(breadcrumbs, intel_breadcrumbs_selftest)
+selftest(requests, i915_gem_request_selftest)
--
2.11.0
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