From patchwork Tue Sep 17 17:43:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 13806387 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 299E3CAC594 for ; Tue, 17 Sep 2024 17:44:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC55910E4DF; Tue, 17 Sep 2024 17:44:29 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="f+6Zhjfj"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9480010E4E1; Tue, 17 Sep 2024 17:44:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726595069; x=1758131069; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZITBU+hd+N2tDZbdlkKVjNI1DprnuVTxpMGjRD6oah4=; b=f+6Zhjfji8h8X0YNgtL2jWTdUsIxVlJ0+m5OQXuSLegXq7lUldCqihho HV4KDv9AluFAo/Tpv1+Ahf1YJgJu2miI5evWXo4RybK3LXxaTX58mYHcH uPeD0XQjuV61bZXKaKRk9WCczy6dVhgU50qJytzkd4is9JlVZNSL438od hjnFemkS3YOmqIw7Myaj84j34Ij4/sNlvW2EoLVCTC5JQ7uoD1FiI9xqO DoUdqWvB3g/Ak/4WvQpdrqUReUQL3s2LmAej2QBLBm5q+ATJFFnoqoRNK rCDn+V1KmVaIXVisSFs8vkF/SFkBrvw1C2M92BtdaFrFs/VSGExT8tByP Q==; X-CSE-ConnectionGUID: Vx3ij5S/QJmCD9sCXacwuQ== X-CSE-MsgGUID: IO7IjU6kRjqjbHHGFSyRhQ== X-IronPort-AV: E=McAfee;i="6700,10204,11198"; a="13561372" X-IronPort-AV: E=Sophos;i="6.10,235,1719903600"; d="scan'208";a="13561372" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2024 10:44:28 -0700 X-CSE-ConnectionGUID: 2Ih5vL1ZTMCoBhoaFhNSjg== X-CSE-MsgGUID: OFV6ublHTzOCGOClAdh9TA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,235,1719903600"; d="scan'208";a="100104504" Received: from hrotuna-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.246.102]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2024 10:44:10 -0700 From: Jani Nikula To: dri-devel@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org, jani.nikula@intel.com, Carlos Eduardo Gallo Filho , Maxime Ripard , Maarten Lankhorst , Thomas Zimmermann , Jeff Johnson Subject: [PATCH 1/2] Revert "drm/tests: Add test for drm_framebuffer_free()" Date: Tue, 17 Sep 2024 20:43:51 +0300 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This reverts commit d2194256049910d286cd6c308c2689df521d8842. Intel CI consistently hits a WARN in drm_framebuffer_free() with this test, because the fb->filp_head list is uninitialized. Link: https://lore.kernel.org/r/87plp7ex27.fsf@intel.com Fixes: d21942560499 ("drm/tests: Add test for drm_framebuffer_free()") Cc: Carlos Eduardo Gallo Filho Cc: Maxime Ripard Cc: Maarten Lankhorst Cc: Thomas Zimmermann Cc: Jeff Johnson Signed-off-by: Jani Nikula --- drivers/gpu/drm/drm_mode_object.c | 1 - drivers/gpu/drm/tests/drm_framebuffer_test.c | 50 -------------------- 2 files changed, 51 deletions(-) diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c index e943205a2394..df4cc0e8e263 100644 --- a/drivers/gpu/drm/drm_mode_object.c +++ b/drivers/gpu/drm/drm_mode_object.c @@ -81,7 +81,6 @@ int drm_mode_object_add(struct drm_device *dev, { return __drm_mode_object_add(dev, obj, obj_type, true, NULL); } -EXPORT_SYMBOL_FOR_TESTS_ONLY(drm_mode_object_add); void drm_mode_object_register(struct drm_device *dev, struct drm_mode_object *obj) diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c index 6ea04cc8f324..72314805839d 100644 --- a/drivers/gpu/drm/tests/drm_framebuffer_test.c +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -358,7 +358,6 @@ static const struct drm_framebuffer_test drm_framebuffer_create_cases[] = { struct drm_framebuffer_test_priv { struct drm_device dev; bool buffer_created; - bool buffer_freed; }; static struct drm_framebuffer *fb_create_mock(struct drm_device *dev, @@ -650,59 +649,10 @@ static void drm_test_framebuffer_init_dev_mismatch(struct kunit *test) KUNIT_EXPECT_EQ(test, ret, -EINVAL); } -static void destroy_free_mock(struct drm_framebuffer *fb) -{ - struct drm_framebuffer_test_priv *priv = container_of(fb->dev, typeof(*priv), dev); - - priv->buffer_freed = true; -} - -static struct drm_framebuffer_funcs framebuffer_funcs_free_mock = { - .destroy = destroy_free_mock, -}; - -/* - * In summary, the drm_framebuffer_free() function must implicitly call - * fb->funcs->destroy() and garantee that the framebufer object is unregistered - * from the drm_device idr pool. - */ -static void drm_test_framebuffer_free(struct kunit *test) -{ - struct drm_framebuffer_test_priv *priv = test->priv; - struct drm_device *dev = &priv->dev; - struct drm_mode_object *obj; - struct drm_framebuffer fb = { - .dev = dev, - .funcs = &framebuffer_funcs_free_mock, - }; - int id, ret; - - priv->buffer_freed = false; - - /* - * Mock a framebuffer that was not unregistered at the moment of the - * drm_framebuffer_free() call. - */ - ret = drm_mode_object_add(dev, &fb.base, DRM_MODE_OBJECT_FB); - KUNIT_ASSERT_EQ(test, ret, 0); - id = fb.base.id; - - drm_framebuffer_free(&fb.base.refcount); - - /* The framebuffer object must be unregistered */ - obj = drm_mode_object_find(dev, NULL, id, DRM_MODE_OBJECT_FB); - KUNIT_EXPECT_PTR_EQ(test, obj, NULL); - KUNIT_EXPECT_EQ(test, fb.base.id, 0); - - /* Test if fb->funcs->destroy() was called */ - KUNIT_EXPECT_EQ(test, priv->buffer_freed, true); -} - static struct kunit_case drm_framebuffer_tests[] = { KUNIT_CASE_PARAM(drm_test_framebuffer_check_src_coords, check_src_coords_gen_params), KUNIT_CASE(drm_test_framebuffer_cleanup), KUNIT_CASE_PARAM(drm_test_framebuffer_create, drm_framebuffer_create_gen_params), - KUNIT_CASE(drm_test_framebuffer_free), KUNIT_CASE(drm_test_framebuffer_init), KUNIT_CASE(drm_test_framebuffer_init_bad_format), KUNIT_CASE(drm_test_framebuffer_init_dev_mismatch), From patchwork Tue Sep 17 17:43:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 13806388 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B268ACAC596 for ; Tue, 17 Sep 2024 17:44:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1AC8710E4E4; Tue, 17 Sep 2024 17:44:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="aivcRazB"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1D0FE10E4DF; Tue, 17 Sep 2024 17:44:29 +0000 (UTC) DKIM-Signature: v=1; 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d="scan'208";a="100104525" Received: from hrotuna-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.246.102]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2024 10:44:17 -0700 From: Jani Nikula To: dri-devel@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org, jani.nikula@intel.com, Carlos Eduardo Gallo Filho , Maxime Ripard , Maarten Lankhorst , Thomas Zimmermann , Jeff Johnson Subject: [PATCH 2/2] Revert "drm/tests: Add test for drm_framebuffer_init()" Date: Tue, 17 Sep 2024 20:43:52 +0300 Message-Id: <85689294b421bf48be5d412af7065a0e89aea73f.1726594684.git.jani.nikula@intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This reverts commit 2735d5e4060960c7bd06698b0a1990c7d42c762e. This test hits a WARN_ON_ONCE(), because fb.format isn't set. Fixes: 2735d5e40609 ("drm/tests: Add test for drm_framebuffer_init()") Cc: Carlos Eduardo Gallo Filho Cc: Maxime Ripard Cc: Maarten Lankhorst Cc: Thomas Zimmermann Cc: Jeff Johnson Signed-off-by: Jani Nikula --- drivers/gpu/drm/drm_framebuffer.c | 1 - drivers/gpu/drm/tests/drm_framebuffer_test.c | 84 -------------------- 2 files changed, 85 deletions(-) diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 47e6e8577b62..9cd85ac789bb 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -839,7 +839,6 @@ void drm_framebuffer_free(struct kref *kref) fb->funcs->destroy(fb); } -EXPORT_SYMBOL_FOR_TESTS_ONLY(drm_framebuffer_free); /** * drm_framebuffer_init - initialize a framebuffer diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c index 72314805839d..e11b5bc9a105 100644 --- a/drivers/gpu/drm/tests/drm_framebuffer_test.c +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -5,7 +5,6 @@ * Copyright (c) 2022 Maíra Canal */ -#include #include #include @@ -569,93 +568,10 @@ static void drm_test_framebuffer_lookup_inexistent(struct kunit *test) KUNIT_EXPECT_NULL(test, fb); } -/* - * Test if drm_framebuffer_init initializes the framebuffer successfully, - * asserting that its modeset object struct and its refcount are correctly - * set and that strictly one framebuffer is initialized. - */ -static void drm_test_framebuffer_init(struct kunit *test) -{ - struct drm_framebuffer_test_priv *priv = test->priv; - struct drm_device *dev = &priv->dev; - struct drm_format_info format = { }; - struct drm_framebuffer fb1 = { .dev = dev, .format = &format }; - struct drm_framebuffer_funcs funcs = { }; - int ret; - - ret = drm_framebuffer_init(dev, &fb1, &funcs); - KUNIT_ASSERT_EQ(test, ret, 0); - - /* Check if fb->funcs is actually set to the drm_framebuffer_funcs passed on */ - KUNIT_EXPECT_PTR_EQ(test, fb1.funcs, &funcs); - - /* The fb->comm must be set to the current running process */ - KUNIT_EXPECT_STREQ(test, fb1.comm, current->comm); - - /* The fb->base must be successfully initialized */ - KUNIT_EXPECT_NE(test, fb1.base.id, 0); - KUNIT_EXPECT_EQ(test, fb1.base.type, DRM_MODE_OBJECT_FB); - KUNIT_EXPECT_EQ(test, kref_read(&fb1.base.refcount), 1); - KUNIT_EXPECT_PTR_EQ(test, fb1.base.free_cb, &drm_framebuffer_free); - - /* There must be just that one fb initialized */ - KUNIT_EXPECT_EQ(test, dev->mode_config.num_fb, 1); - KUNIT_EXPECT_PTR_EQ(test, dev->mode_config.fb_list.prev, &fb1.head); - KUNIT_EXPECT_PTR_EQ(test, dev->mode_config.fb_list.next, &fb1.head); - - drm_framebuffer_cleanup(&fb1); -} - -/* Try to init a framebuffer without setting its format */ -static void drm_test_framebuffer_init_bad_format(struct kunit *test) -{ - struct drm_framebuffer_test_priv *priv = test->priv; - struct drm_device *dev = &priv->dev; - struct drm_framebuffer fb1 = { .dev = dev, .format = NULL }; - struct drm_framebuffer_funcs funcs = { }; - int ret; - - /* Fails if fb.format isn't set */ - ret = drm_framebuffer_init(dev, &fb1, &funcs); - KUNIT_EXPECT_EQ(test, ret, -EINVAL); -} - -/* - * Test calling drm_framebuffer_init() passing a framebuffer linked to a - * different drm_device parent from the one passed on the first argument, which - * must fail. - */ -static void drm_test_framebuffer_init_dev_mismatch(struct kunit *test) -{ - struct drm_framebuffer_test_priv *priv = test->priv; - struct drm_device *right_dev = &priv->dev; - struct drm_device *wrong_dev; - struct device *wrong_dev_parent; - struct drm_format_info format = { }; - struct drm_framebuffer fb1 = { .dev = right_dev, .format = &format }; - struct drm_framebuffer_funcs funcs = { }; - int ret; - - wrong_dev_parent = kunit_device_register(test, "drm-kunit-wrong-device-mock"); - KUNIT_ASSERT_NOT_ERR_OR_NULL(test, wrong_dev_parent); - - wrong_dev = __drm_kunit_helper_alloc_drm_device(test, wrong_dev_parent, - sizeof(struct drm_device), - 0, 0); - KUNIT_ASSERT_NOT_ERR_OR_NULL(test, wrong_dev); - - /* Fails if fb->dev doesn't point to the drm_device passed on first arg */ - ret = drm_framebuffer_init(wrong_dev, &fb1, &funcs); - KUNIT_EXPECT_EQ(test, ret, -EINVAL); -} - static struct kunit_case drm_framebuffer_tests[] = { KUNIT_CASE_PARAM(drm_test_framebuffer_check_src_coords, check_src_coords_gen_params), KUNIT_CASE(drm_test_framebuffer_cleanup), KUNIT_CASE_PARAM(drm_test_framebuffer_create, drm_framebuffer_create_gen_params), - KUNIT_CASE(drm_test_framebuffer_init), - KUNIT_CASE(drm_test_framebuffer_init_bad_format), - KUNIT_CASE(drm_test_framebuffer_init_dev_mismatch), KUNIT_CASE(drm_test_framebuffer_lookup), KUNIT_CASE(drm_test_framebuffer_lookup_inexistent), KUNIT_CASE(drm_test_framebuffer_modifiers_not_supported),