Starting with a placeholder test just to reassure that we can create a
test object,
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/selftests/i915_gem_object.c | 47 ++++++++++++++++++++++
.../gpu/drm/i915/selftests/i915_live_selftests.h | 1 +
2 files changed, 48 insertions(+)
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index f243d4e73d7b..08e6b49b1e77 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -94,6 +94,44 @@ static int igt_phys_object(void *arg)
return err;
}
+static int igt_gem_huge(void *arg)
+{
+ const unsigned int nreal = 509; /* just to be awkward */
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ unsigned int n;
+ int err;
+
+ obj = huge_gem_object(i915,
+ nreal * PAGE_SIZE,
+ i915->ggtt.base.total + PAGE_SIZE);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ err = i915_gem_object_pin_pages(obj);
+ if (err) {
+ pr_err("Failed to allocate %u pages (%zu total), err=%d\n",
+ nreal, obj->base.size / PAGE_SIZE, err);
+ goto err;
+ }
+
+ for (n = 0; n < obj->base.size / PAGE_SIZE; n++) {
+ if (i915_gem_object_get_page(obj, n) !=
+ i915_gem_object_get_page(obj, n % nreal)) {
+ pr_err("Page lookup mismatch at index %u [%u]\n",
+ n, n % nreal);
+ err = -EINVAL;
+ goto err_unpin;
+ }
+ }
+
+err_unpin:
+ i915_gem_object_unpin_pages(obj);
+err:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_object_mock_selftests(void)
{
static const struct i915_subtest tests[] = {
@@ -112,3 +150,12 @@ int i915_gem_object_mock_selftests(void)
drm_dev_unref(&i915->drm);
return err;
}
+
+int i915_gem_object_live_selftests(struct drm_i915_private *i915)
+{
+ static const struct i915_subtest tests[] = {
+ SUBTEST(igt_gem_huge),
+ };
+
+ return i915_subtests(tests, i915);
+}
diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
index 09bf538826df..1822ac99d577 100644
--- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
@@ -10,3 +10,4 @@
*/
selftest(sanitycheck, i915_live_sanitycheck) /* keep first (igt selfcheck) */
selftest(requests, i915_gem_request_live_selftests)
+selftest(object, i915_gem_object_live_selftests)
--
2.11.0
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