From patchwork Thu Feb 2 09:08:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 9551381 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8DFA960236 for ; Thu, 2 Feb 2017 09:10:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C79C2840E for ; Thu, 2 Feb 2017 09:10:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 715E32841C; Thu, 2 Feb 2017 09:10:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2DAB82840E for ; 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} +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..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)