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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2E033C761A6 for ; Wed, 29 Mar 2023 20:22:06 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 44D038608B; Wed, 29 Mar 2023 22:21:23 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1680121286; bh=I9r6zax/5qoLjFpXs0BpdIVR3ewtHBTBfz4yoKCnymQ=; h=From:To:Subject:In-reply-to:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=L5bYEF3jm/gNTxGGU67zilXaOw7CzNlqLwhiw+2UeLNQbojTvl6h8x7Exebtg66Iw EXZiBSliHXJHwkg8SjyLtZlvll9YxDWV3Ca5iz+GlN+wP7kSseivStp8gD3OOMZBlS BRUIUR1o7vQbHj0EfYdNOcQ8sZdhdCGTTmGmBcmM20mX31EzaPK8aEA489wc2UrcGO /gcnGPNxMEceYQWreY0nFmz5uQsY2O8w9N/+zR7ZXip69GDEpKxLmV/hAXrWSLT+aE MVa4SfSbV0qMj/HhhgruRbs5ta2+V9Nm0cHJ0Q5jmcRALVbMa83wiI1PmSW174ZpR0 O548MEvCThebA== Received: by phobos.denx.de (Postfix, from userid 109) id 0A67B86040; Wed, 29 Mar 2023 22:17:11 +0200 (CEST) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id E53B585B19 for ; Wed, 29 Mar 2023 22:16:35 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=sbabic@denx.de Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4PmyW73C2sz1r1s9; Wed, 29 Mar 2023 22:16:35 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4PmyW735yDz1qqlS; Wed, 29 Mar 2023 22:16:35 +0200 (CEST) X-Amavis-Alert: BAD HEADER SECTION, Missing required header field: "Date" Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id ujLDS-R8WXbB; Wed, 29 Mar 2023 22:16:34 +0200 (CEST) Received: from papero (host-88-217-136-221.customer.m-online.net [88.217.136.221]) by mail.mnet-online.de (Postfix) with ESMTP; Wed, 29 Mar 2023 22:16:34 +0200 (CEST) From: sbabic@denx.de X-Patchwork-Submitter: Ye Li X-Patchwork-Id: 1734677 X-Patchwork-Delegate: sbabic@denx.de To: Ye Li ,u-boot@lists.denx.de Subject: [PATCH 21/23] imx8ulp_evk: Update DDR ports arbitration for DCNANO underrun In-reply-to: <1675154554-88217-22-git-send-email-ye.li@nxp.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Message-Id: <20230329201711.0A67B86040@phobos.denx.de> Date: Wed, 29 Mar 2023 22:16:37 +0200 (CEST) X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean > To resolve DCNANO underrun issue, change the DDR Port 0 arbitration > from round robin fashion to fixed priority level 1, while other ports > are not assigned any priority, so they will be serviced in round robin > fashion if there is no active request from Port 0. > Signed-off-by: Ye Li > Acked-by: Peng Fan Applied to u-boot-imx, -next, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================