iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915: Add a live seftest for GEM objects

Browse Source 
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
This commit is contained in:
Chris Wilson 2017-02-13 17:15:29 +00:00
parent 8335fd65ce
commit 12d30d8793
2 changed files with 50 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/gpu/drm/i915/selftests/i915_gem_object.c
View File

@ -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);
}

1
drivers/gpu/drm/i915/selftests/i915_live_selftests.h
View File

@ -10,3 +10,4 @@
*/
selftest(sanitycheck, i915_live_sanitycheck) /* keep first (igt selfcheck) */
selftest(requests, i915_gem_request_live_selftests)
selftest(objects, i915_gem_object_live_selftests)