From patchwork Mon Aug 7 05:51:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Pandey, Radhey Shyam" X-Patchwork-Id: 13343048 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CF904C07E8B for ; Mon, 7 Aug 2023 05:53:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=BKHOkMRdq0S95pTESN1GaXVKjDmT0jCNXLtyVHry2R4=; b=rO/rzYsweDkQEx 2d8gceeuj37BeiSMjrb0GTRWrxq14ZOxlfUMfJ73nSD6i7yQvjnKxmOJavqBIdsvnlWlg9a77RXOf 90giuZ2fAWZEmcqag7I1tFtt6uzz+W2VhJvvIF4RjSywHWFPcOAwOA/bIrauklxgifm1/gDtLP5Ap QkUXPDot8E14hw4hJ4D7MZotl+OQ3kL1EELOIHJjHcHuSXvmMywTlfgzH6be19V+VyK5Kc/58P1h5 bggMTzjyNND/CegCjZXj8zI8XVtKUQBzo2u08M1dFf7TJaR8RoIGQm6We+Xz3rqQ9B1ced/xwgxAs Dvr7otoUEuWbQTfJ/fzQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qStAp-00GDKJ-1Q; Mon, 07 Aug 2023 05:52:59 +0000 Received: from mail-dm6nam11on20601.outbound.protection.outlook.com ([2a01:111:f400:7eaa::601] helo=NAM11-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qStAl-00GDGz-1s for linux-arm-kernel@lists.infradead.org; Mon, 07 Aug 2023 05:52:57 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=InrDuJY0t302wycHpLm5n4Jz3wU3MssAKz6sQJULk1hZkDtQhRIL+Xn5yMGJirLbo5zABRAar901jqtxoLA31lAkwWnKRqgmA9Bp2P3S/hPNOKrOIR5vDPwLX0R6YPZ9Ta4/XGNQsHyEeK2hKwVW2Zpo2BJuh4rcrL9cUONULbB6/+2Lt/SQ3RYNjt/AaD9G8XS6zpa3tjSi5fbnn27NiQa19+hx+UNlcLmi1ecuIEgHqKbd6J3L2nlk6Qld264yT9N3NdqsPQf8XlhLbahP9H4InTawX7jdXEMqQTNqxQ9khCXpgImvZI6fFAGRLtf5RVx/KVK8KKEM+Vtz2PF/yQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=C4kmAr3BLf7v+CPfaK9S+TTv9wF6I3BI8aOmVeruI8Q=; b=krujImEwE4fVBETIsBjczIJ6r2I7MYE6W3QwXhlEaHGg1wdwsTo0CNNOTXfB8LHTOnCbBqowMYOIKS6k2YBzSH2vR5vhHblrRi2Hqmssyz4SmN7qVHNytwsg5byka/bj4/o/RWgMZtvUFkxksdJr7cQRnEyaFgaAFOya8B78cqFJqTqiXk4KpWG3tA6NiZ2iBdTxQNqPTGuDdmcc7BPAOBiDpzp8LVQ5IbrXgZrZeduU7TJ5x8ko5L3ExtdHRU3JGNg1kCyJUbQ7d/VAp5Co87pGTf/zbeyP26NnDYrdG4ctaneTjsBviQeo3XvYggxbI20VYmjwmlWDbk4WTwhRXQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=C4kmAr3BLf7v+CPfaK9S+TTv9wF6I3BI8aOmVeruI8Q=; b=Hi/ym1Xt19PBmMynyG/iru3s+Xi/1E6LkeVQ1R5FfyO9yPHy+WVVjmmwo87i24PRmjH4rYucPmED9NAQiKnAcuE+ow58oKFvzvTu0TelaTBa5L6cMKnXNUNFOpmVJmlEMefk7dnEzl0luetxVzi4ai7lGxcpS8NEKql1KR0t1vc= Received: from CYZPR05CA0021.namprd05.prod.outlook.com (2603:10b6:930:89::13) by PH8PR12MB7326.namprd12.prod.outlook.com (2603:10b6:510:216::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6652.25; Mon, 7 Aug 2023 05:52:43 +0000 Received: from CY4PEPF0000E9D2.namprd03.prod.outlook.com (2603:10b6:930:89:cafe::c) by CYZPR05CA0021.outlook.office365.com (2603:10b6:930:89::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6678.15 via Frontend Transport; Mon, 7 Aug 2023 05:52:43 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; 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; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000E9D2.mail.protection.outlook.com (10.167.241.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6652.19 via Frontend Transport; Mon, 7 Aug 2023 05:52:43 +0000 Received: from SATLEXMB07.amd.com (10.181.41.45) 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 15.1.2507.27; Mon, 7 Aug 2023 00:52:37 -0500 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB07.amd.com (10.181.41.45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Sun, 6 Aug 2023 22:52:28 -0700 Received: from xhdradheys41.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Mon, 7 Aug 2023 00:52:24 -0500 From: Radhey Shyam Pandey To: , , , , , , , , , CC: , , , , , , Radhey Shyam Pandey Subject: [PATCH net-next v5 04/10] dmaengine: xilinx_dma: Increase AXI DMA transaction segment count Date: Mon, 7 Aug 2023 11:21:43 +0530 Message-ID: <1691387509-2113129-5-git-send-email-radhey.shyam.pandey@amd.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1691387509-2113129-1-git-send-email-radhey.shyam.pandey@amd.com> References: <1691387509-2113129-1-git-send-email-radhey.shyam.pandey@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9D2:EE_|PH8PR12MB7326:EE_ X-MS-Office365-Filtering-Correlation-Id: 2b348bc0-c58c-4cd1-8cf7-08db970a84da X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: YfV60tsF4E8A+/p9IvI8TdsPKgE7R5cg3o/QpziSgbYx6mgDlf9zitzTMav5wDGpd1zTRoLl5E+d8nbbH1TYO/kV4IlnAqoZWCJ8wiAc28zgTBjH72SXpmjpjJ4+OR7ffMWfKCZFhqdOYyTs2N1ALOuIoF6TuW9vjiqw0lpwRtxuM6ToXk8M1Xvu+xk4ZkRzGPKbN4hppUR2yg+b2POSFnFugcN34oiEbxjYnI+7hMgj3JRCuj6VrOZsQXcAFKCHp6ZLu2/9AGwdx1EFjIMOBZ0WCkVOJZDUvdkVeS97FEdY3m/vbWdYhgeyD/MRd+iojcFZZjygRrd2b0QxLWQtplgYmsdWCjgOsNT3W3qyQvBjIhOy88kBRtvvCDL/diqjLCrtC9ytQGwQ5JCzV/zV3KhMjxPqacDXPlB1hb8Ca+z1fAf7ic6P7mZpMpGJoj2gDP+CNgCmq60c8VOElI3DBvvzAXbhWyh+NiVyksnZUulELLjdCeg/pSreYP8tVSiLi4m2J0OsnuaDzmpObfE3aAIWnhFjJz3pmVTHAxeOReCHMFVm0cVtrHSKwAQ2EuuM7y9WkqLSwVI56qinlI6DEbuLuNQeGqDjS+c8mDJSQ4lvMopruwb15ESxJnBr9iOeCXjuSHrxENLFPUiu2pHvyVkY2Da9P3GP0bU9tUGP4oHEBhbqCFm+TbIoZ9MNU2qYYsksQAHlSd0umxgJmofjVgi0rOGECwIPfXP0Orh5Gi5BojuWLbq7UnPNQTq3/OTgDxDXHGgwj4GMc4hZe2kjZuOpnndmz+r6nldqieO/KTE2RsxAxcNquGhA3lfVHfxB X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(346002)(396003)(376002)(136003)(39860400002)(1800799003)(186006)(82310400008)(451199021)(46966006)(40470700004)(36840700001)(83380400001)(426003)(47076005)(36860700001)(2616005)(40460700003)(921005)(40480700001)(54906003)(110136005)(2906002)(4326008)(8936002)(316002)(5660300002)(8676002)(7416002)(336012)(70586007)(70206006)(86362001)(966005)(478600001)(81166007)(82740400003)(6666004)(356005)(41300700001)(36756003)(26005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2023 05:52:43.6345 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2b348bc0-c58c-4cd1-8cf7-08db970a84da 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: CY4PEPF0000E9D2.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7326 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230806_225255_619584_73BC9CC8 X-CRM114-Status: GOOD ( 12.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Increase AXI DMA transaction segments count to ensure that even in high load we always get a free segment in prepare descriptor for a DMA_SLAVE transaction. Signed-off-by: Radhey Shyam Pandey --- Changes for v5: - New patch in this series. Just a note that dmaengine series was earlier sent as separate series[1] and now it's merged with axiethernet series[2]. [1]: https://lore.kernel.org/all/20221124102745.2620370-1-sarath.babu.naidu.gaddam@amd.com [2]: https://lore.kernel.org/all/20230630053844.1366171-1-sarath.babu.naidu.gaddam@amd.com - Switch to amd.com email address. --- drivers/dma/xilinx/xilinx_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index d526e472b905..7f3c57fbe1e3 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -178,7 +178,7 @@ #define XILINX_DMA_BD_SOP BIT(27) #define XILINX_DMA_BD_EOP BIT(26) #define XILINX_DMA_COALESCE_MAX 255 -#define XILINX_DMA_NUM_DESCS 255 +#define XILINX_DMA_NUM_DESCS 512 #define XILINX_DMA_NUM_APP_WORDS 5 /* AXI CDMA Specific Registers/Offsets */