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authorChris Wilson <chris@chris-wilson.co.uk>2017-02-13 17:15:29 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2017-02-13 20:45:43 +0000
commit12d30d879398acf14cb2d5300a1c4b2ec777ee02 (patch)
tree2c1eae8c773e0e7f4a5cea7a60a51d40e806e05a /drivers/gpu/drm/i915/selftests/i915_gem_object.c
parent8335fd65ce6c880876ea0f94f427aa2499bcd05a (diff)
drm/i915: Add a live seftest for GEM objects
Starting with a placeholder test just to reassure that we can create a test object, Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-18-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_gem_object.c')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_object.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index 0d76c5e0e2ff..895e1e85653f 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -100,6 +100,46 @@ out:
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;
+
+ /* Basic sanitycheck of our huge fake object allocation */
+
+ 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 (%lu total), err=%d\n",
+ nreal, obj->base.size / PAGE_SIZE, err);
+ goto out;
+ }
+
+ 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 out_unpin;
+ }
+ }
+
+out_unpin:
+ i915_gem_object_unpin_pages(obj);
+out:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_object_mock_selftests(void)
{
static const struct i915_subtest tests[] = {
@@ -118,3 +158,12 @@ 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);
+}