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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT057.mail.protection.outlook.com (10.13.177.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4951.12 via Frontend Transport; Thu, 3 Feb 2022 13:33:06 +0000 Received: from rtg-amd.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.18; Thu, 3 Feb 2022 07:33:03 -0600 From: Arunpravin To: , , Subject: [PATCH 4/7] drm/selftests: add drm buddy optimistic testcase Date: Thu, 3 Feb 2022 19:02:31 +0530 Message-ID: <20220203133234.3350-4-Arunpravin.PaneerSelvam@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220203133234.3350-1-Arunpravin.PaneerSelvam@amd.com> References: <20220203133234.3350-1-Arunpravin.PaneerSelvam@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: bb1980df-016b-401e-eaa9-08d9e719b640 X-MS-TrafficTypeDiagnostic: MN2PR12MB3741:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:341; 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Signed-off-by: Arunpravin --- .../gpu/drm/selftests/drm_buddy_selftests.h | 1 + drivers/gpu/drm/selftests/test-drm_buddy.c | 82 +++++++++++++++++++ 2 files changed, 83 insertions(+) diff --git a/drivers/gpu/drm/selftests/drm_buddy_selftests.h b/drivers/gpu/drm/selftests/drm_buddy_selftests.h index 3230bfd2770b..21a6bd38864f 100644 --- a/drivers/gpu/drm/selftests/drm_buddy_selftests.h +++ b/drivers/gpu/drm/selftests/drm_buddy_selftests.h @@ -9,3 +9,4 @@ selftest(sanitycheck, igt_sanitycheck) /* keep first (selfcheck for igt) */ selftest(buddy_alloc_limit, igt_buddy_alloc_limit) selftest(buddy_alloc_range, igt_buddy_alloc_range) +selftest(buddy_alloc_optimistic, igt_buddy_alloc_optimistic) diff --git a/drivers/gpu/drm/selftests/test-drm_buddy.c b/drivers/gpu/drm/selftests/test-drm_buddy.c index e347060c05a2..b193d9556fb4 100644 --- a/drivers/gpu/drm/selftests/test-drm_buddy.c +++ b/drivers/gpu/drm/selftests/test-drm_buddy.c @@ -17,6 +17,11 @@ static unsigned int random_seed; +static inline u64 get_size(int order, u64 chunk_size) +{ + return (1 << order) * chunk_size; +} + static inline const char *yesno(bool v) { return v ? "yes" : "no"; @@ -309,6 +314,83 @@ static void igt_mm_config(u64 *size, u64 *chunk_size) *size = (u64)s << 12; } +static int igt_buddy_alloc_optimistic(void *arg) +{ + u64 mm_size, size, min_page_size, start = 0; + struct drm_buddy_block *block; + unsigned long flags = 0; + const int max_order = 16; + struct drm_buddy mm; + LIST_HEAD(blocks); + LIST_HEAD(tmp); + int order, err; + + /* + * Create a mm with one block of each order available, and + * try to allocate them all. + */ + + mm_size = PAGE_SIZE * ((1 << (max_order + 1)) - 1); + err = drm_buddy_init(&mm, + mm_size, + PAGE_SIZE); + if (err) { + pr_err("buddy_init failed(%d)\n", err); + return err; + } + + BUG_ON(mm.max_order != max_order); + + for (order = 0; order <= max_order; order++) { + size = min_page_size = get_size(order, PAGE_SIZE); + err = drm_buddy_alloc_blocks(&mm, start, mm_size, size, min_page_size, &tmp, flags); + if (err) { + pr_info("buddy_alloc hit -ENOMEM with order=%d\n", + order); + goto err; + } + + block = list_first_entry_or_null(&tmp, + struct drm_buddy_block, + link); + if (!block) { + pr_err("alloc_blocks has no blocks\n"); + err = -EINVAL; + goto err; + } + + list_del(&block->link); + list_add_tail(&block->link, &blocks); + } + + /* Should be completely full! */ + size = min_page_size = get_size(0, PAGE_SIZE); + err = drm_buddy_alloc_blocks(&mm, start, mm_size, size, min_page_size, &tmp, flags); + if (!err) { + pr_info("buddy_alloc unexpectedly succeeded, it should be full!"); + block = list_first_entry_or_null(&tmp, + struct drm_buddy_block, + link); + if (!block) { + pr_err("alloc_blocks has no blocks\n"); + err = -EINVAL; + goto err; + } + + list_del(&block->link); + list_add_tail(&block->link, &blocks); + goto err; + } else { + pr_info("%s - succeeded\n", __func__); + err = 0; + } + +err: + drm_buddy_free_list(&mm, &blocks); + drm_buddy_fini(&mm); + return err; +} + static int igt_buddy_alloc_range(void *arg) { unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION; -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 83543C433F5 for ; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230001)(4636009)(36840700001)(46966006)(40470700004)(2906002)(83380400001)(70586007)(82310400004)(70206006)(47076005)(8936002)(36860700001)(7696005)(6666004)(86362001)(8676002)(4326008)(40460700003)(2616005)(336012)(426003)(508600001)(186003)(26005)(1076003)(16526019)(5660300002)(356005)(36756003)(81166007)(110136005)(54906003)(316002)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Feb 2022 13:33:06.6917 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bb1980df-016b-401e-eaa9-08d9e719b640 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT057.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3741 Subject: [Intel-gfx] [PATCH 4/7] drm/selftests: add drm buddy optimistic testcase 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: , Cc: Arunpravin , matthew.auld@intel.com, tzimmermann@suse.de, alexander.deucher@amd.com, christian.koenig@amd.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" create a mm with one block of each order available, and try to allocate them all. Signed-off-by: Arunpravin --- .../gpu/drm/selftests/drm_buddy_selftests.h | 1 + drivers/gpu/drm/selftests/test-drm_buddy.c | 82 +++++++++++++++++++ 2 files changed, 83 insertions(+) diff --git a/drivers/gpu/drm/selftests/drm_buddy_selftests.h b/drivers/gpu/drm/selftests/drm_buddy_selftests.h index 3230bfd2770b..21a6bd38864f 100644 --- a/drivers/gpu/drm/selftests/drm_buddy_selftests.h +++ b/drivers/gpu/drm/selftests/drm_buddy_selftests.h @@ -9,3 +9,4 @@ selftest(sanitycheck, igt_sanitycheck) /* keep first (selfcheck for igt) */ selftest(buddy_alloc_limit, igt_buddy_alloc_limit) selftest(buddy_alloc_range, igt_buddy_alloc_range) +selftest(buddy_alloc_optimistic, igt_buddy_alloc_optimistic) diff --git a/drivers/gpu/drm/selftests/test-drm_buddy.c b/drivers/gpu/drm/selftests/test-drm_buddy.c index e347060c05a2..b193d9556fb4 100644 --- a/drivers/gpu/drm/selftests/test-drm_buddy.c +++ b/drivers/gpu/drm/selftests/test-drm_buddy.c @@ -17,6 +17,11 @@ static unsigned int random_seed; +static inline u64 get_size(int order, u64 chunk_size) +{ + return (1 << order) * chunk_size; +} + static inline const char *yesno(bool v) { return v ? "yes" : "no"; @@ -309,6 +314,83 @@ static void igt_mm_config(u64 *size, u64 *chunk_size) *size = (u64)s << 12; } +static int igt_buddy_alloc_optimistic(void *arg) +{ + u64 mm_size, size, min_page_size, start = 0; + struct drm_buddy_block *block; + unsigned long flags = 0; + const int max_order = 16; + struct drm_buddy mm; + LIST_HEAD(blocks); + LIST_HEAD(tmp); + int order, err; + + /* + * Create a mm with one block of each order available, and + * try to allocate them all. + */ + + mm_size = PAGE_SIZE * ((1 << (max_order + 1)) - 1); + err = drm_buddy_init(&mm, + mm_size, + PAGE_SIZE); + if (err) { + pr_err("buddy_init failed(%d)\n", err); + return err; + } + + BUG_ON(mm.max_order != max_order); + + for (order = 0; order <= max_order; order++) { + size = min_page_size = get_size(order, PAGE_SIZE); + err = drm_buddy_alloc_blocks(&mm, start, mm_size, size, min_page_size, &tmp, flags); + if (err) { + pr_info("buddy_alloc hit -ENOMEM with order=%d\n", + order); + goto err; + } + + block = list_first_entry_or_null(&tmp, + struct drm_buddy_block, + link); + if (!block) { + pr_err("alloc_blocks has no blocks\n"); + err = -EINVAL; + goto err; + } + + list_del(&block->link); + list_add_tail(&block->link, &blocks); + } + + /* Should be completely full! */ + size = min_page_size = get_size(0, PAGE_SIZE); + err = drm_buddy_alloc_blocks(&mm, start, mm_size, size, min_page_size, &tmp, flags); + if (!err) { + pr_info("buddy_alloc unexpectedly succeeded, it should be full!"); + block = list_first_entry_or_null(&tmp, + struct drm_buddy_block, + link); + if (!block) { + pr_err("alloc_blocks has no blocks\n"); + err = -EINVAL; + goto err; + } + + list_del(&block->link); + list_add_tail(&block->link, &blocks); + goto err; + } else { + pr_info("%s - succeeded\n", __func__); + err = 0; + } + +err: + drm_buddy_free_list(&mm, &blocks); + drm_buddy_fini(&mm); + return err; +} + static int igt_buddy_alloc_range(void *arg) { unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION; -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 4A0E3C433FE for ; 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Signed-off-by: Arunpravin --- .../gpu/drm/selftests/drm_buddy_selftests.h | 1 + drivers/gpu/drm/selftests/test-drm_buddy.c | 82 +++++++++++++++++++ 2 files changed, 83 insertions(+) diff --git a/drivers/gpu/drm/selftests/drm_buddy_selftests.h b/drivers/gpu/drm/selftests/drm_buddy_selftests.h index 3230bfd2770b..21a6bd38864f 100644 --- a/drivers/gpu/drm/selftests/drm_buddy_selftests.h +++ b/drivers/gpu/drm/selftests/drm_buddy_selftests.h @@ -9,3 +9,4 @@ selftest(sanitycheck, igt_sanitycheck) /* keep first (selfcheck for igt) */ selftest(buddy_alloc_limit, igt_buddy_alloc_limit) selftest(buddy_alloc_range, igt_buddy_alloc_range) +selftest(buddy_alloc_optimistic, igt_buddy_alloc_optimistic) diff --git a/drivers/gpu/drm/selftests/test-drm_buddy.c b/drivers/gpu/drm/selftests/test-drm_buddy.c index e347060c05a2..b193d9556fb4 100644 --- a/drivers/gpu/drm/selftests/test-drm_buddy.c +++ b/drivers/gpu/drm/selftests/test-drm_buddy.c @@ -17,6 +17,11 @@ static unsigned int random_seed; +static inline u64 get_size(int order, u64 chunk_size) +{ + return (1 << order) * chunk_size; +} + static inline const char *yesno(bool v) { return v ? "yes" : "no"; @@ -309,6 +314,83 @@ static void igt_mm_config(u64 *size, u64 *chunk_size) *size = (u64)s << 12; } +static int igt_buddy_alloc_optimistic(void *arg) +{ + u64 mm_size, size, min_page_size, start = 0; + struct drm_buddy_block *block; + unsigned long flags = 0; + const int max_order = 16; + struct drm_buddy mm; + LIST_HEAD(blocks); + LIST_HEAD(tmp); + int order, err; + + /* + * Create a mm with one block of each order available, and + * try to allocate them all. + */ + + mm_size = PAGE_SIZE * ((1 << (max_order + 1)) - 1); + err = drm_buddy_init(&mm, + mm_size, + PAGE_SIZE); + if (err) { + pr_err("buddy_init failed(%d)\n", err); + return err; + } + + BUG_ON(mm.max_order != max_order); + + for (order = 0; order <= max_order; order++) { + size = min_page_size = get_size(order, PAGE_SIZE); + err = drm_buddy_alloc_blocks(&mm, start, mm_size, size, min_page_size, &tmp, flags); + if (err) { + pr_info("buddy_alloc hit -ENOMEM with order=%d\n", + order); + goto err; + } + + block = list_first_entry_or_null(&tmp, + struct drm_buddy_block, + link); + if (!block) { + pr_err("alloc_blocks has no blocks\n"); + err = -EINVAL; + goto err; + } + + list_del(&block->link); + list_add_tail(&block->link, &blocks); + } + + /* Should be completely full! */ + size = min_page_size = get_size(0, PAGE_SIZE); + err = drm_buddy_alloc_blocks(&mm, start, mm_size, size, min_page_size, &tmp, flags); + if (!err) { + pr_info("buddy_alloc unexpectedly succeeded, it should be full!"); + block = list_first_entry_or_null(&tmp, + struct drm_buddy_block, + link); + if (!block) { + pr_err("alloc_blocks has no blocks\n"); + err = -EINVAL; + goto err; + } + + list_del(&block->link); + list_add_tail(&block->link, &blocks); + goto err; + } else { + pr_info("%s - succeeded\n", __func__); + err = 0; + } + +err: + drm_buddy_free_list(&mm, &blocks); + drm_buddy_fini(&mm); + return err; +} + static int igt_buddy_alloc_range(void *arg) { unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION; -- 2.25.1