diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-13 17:15:29 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-13 20:45:43 +0000 |
| commit | 12d30d879398acf14cb2d5300a1c4b2ec777ee02 (patch) | |
| tree | 2c1eae8c773e0e7f4a5cea7a60a51d40e806e05a /drivers/gpu/drm | |
| parent | 8335fd65ce6c880876ea0f94f427aa2499bcd05a (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')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_object.c | 49 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_live_selftests.h | 1 |
2 files changed, 50 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); +} diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index 09bf538826df..d720b03e2c01 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(objects, i915_gem_object_live_selftests) |