The phys object is a rarely used device (only very old machines require
a chunk of physically contiguous pages for a few hardware interactions).
As such, it is not exercised by CI and to combat that we want to add a
test that exercises the phys object on all platforms.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 1 +
drivers/gpu/drm/i915/selftests/i915_gem_object.c | 114 +++++++++++++++++++++
.../gpu/drm/i915/selftests/i915_mock_selftests.h | 1 +
3 files changed, 116 insertions(+)
create mode 100644 drivers/gpu/drm/i915/selftests/i915_gem_object.c
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f52f1aafb4b9..81d24227ecca 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4977,4 +4977,5 @@ i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj,
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftests/scatterlist.c"
#include "selftests/mock_gem_device.c"
+#include "selftests/i915_gem_object.c"
#endif
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
new file mode 100644
index 000000000000..3ae3bbdd4e42
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -0,0 +1,114 @@
+/*
+ * 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_gem_object(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ int err = -ENOMEM;
+
+ obj = i915_gem_object_create(i915, PAGE_SIZE);
+ if (IS_ERR(obj)) {
+ err = PTR_ERR(obj);
+ pr_err("i915_gem_object_create failed, err=%d\n", err);
+ goto out;
+ }
+
+ err = 0;
+ i915_gem_object_put(obj);
+out:
+ return err;
+}
+
+static int igt_phys_object(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ int err = -ENOMEM;
+
+ obj = i915_gem_object_create(i915, PAGE_SIZE);
+ if (IS_ERR(obj)) {
+ err = PTR_ERR(obj);
+ pr_err("i915_gem_object_create failed, err=%d\n", err);
+ goto out;
+ }
+
+ err = -EINVAL;
+ mutex_lock(&i915->drm.struct_mutex);
+ err = i915_gem_object_attach_phys(obj, PAGE_SIZE);
+ mutex_unlock(&i915->drm.struct_mutex);
+ if (err) {
+ pr_err("i915_gem_object_attach_phys failed, err=%d\n", err);
+ goto err;
+ }
+
+ if (obj->ops != &i915_gem_phys_ops) {
+ pr_err("i915_gem_object_attach_phys did not create a phys object\n");
+ goto err;
+ }
+
+ if (!atomic_read(&obj->mm.pages_pin_count)) {
+ pr_err("i915_gem_object_attach_phys did not pin its phys pages\n");
+ goto err;
+ }
+
+ /* Make the object dirty so that put_pages must do copy back the data */
+ mutex_lock(&i915->drm.struct_mutex);
+ err = i915_gem_object_set_to_gtt_domain(obj, true);
+ mutex_unlock(&i915->drm.struct_mutex);
+ if (err) {
+ pr_err("i915_gem_object_set_to_gtt_domain failed with err=%d\n",
+ err);
+ goto err;
+ }
+
+ err = 0;
+err:
+ i915_gem_object_put(obj);
+out:
+ return err;
+}
+
+int i915_gem_object_selftests(void)
+{
+ static const struct i915_subtest tests[] = {
+ SUBTEST(igt_gem_object),
+ SUBTEST(igt_phys_object),
+ };
+ 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 09374df0d867..33390b2530a7 100644
--- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
@@ -12,3 +12,4 @@ 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)
+selftest(objects, i915_gem_object_selftests)
--
2.11.0
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