From patchwork Tue Aug 15 15:27:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Singh Tomar X-Patchwork-Id: 13353924 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 D4BB1C001B0 for ; Tue, 15 Aug 2023 15:29:10 +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=RX//MYeK/bdlUf8GoQPtyBnEL686UU7QoHJ4ez+GIW4=; b=eMY+lwswrgOw62 zGbosQYMUHeAAD739isjwwtdeTl/oCrrAn34b6r5A4BD7pBZ5Q5jmPBSfks9e9q4OzRh+Cy2DyIBO XLajDv2F3oC4uCKV9iWLg/Um8/pt1BakhpJE1VURHWlyEzfjRFe5ngnVdjcpXkhnm/YzGd3eqcqMi DmSdHdY7xmDOyTGE5ORLfI9DZASbucpQuUPEckk4zkiT4uMDRYHbMROpRvqf6SiPVcP37Sozcz45n 2GtZ2WwW5oGaToYZhYS771Vbjt3ll5DEDwANzqsQFTTK/RaMESm/Ln+P1TicNa+WnpojJ93mqFDg0 JNGfvB10n3EQqD6G5LLg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVvyP-001rWz-0h; Tue, 15 Aug 2023 15:28:45 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174] helo=mx0b-0016f401.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVvyD-001rOw-1L for linux-arm-kernel@lists.infradead.org; Tue, 15 Aug 2023 15:28:34 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37FEFUMn008839; Tue, 15 Aug 2023 08:28:23 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=xtVORT7UOszKxIDuVayi97n1+3u19XMryXAicFeBbxc=; b=OU+qmQNq/LUsnrlCLeQEAgFrTqChaBlQc9synke3UQr3GiIXtGfgaiVrLmHEbYWBDjCp yMqcgOr77esXnSkWfe3ueZSxuGGi+6iGAz8bXTgRl/MjEnKaMy2G0HU3OWDrlYEYvG33 qkuHVtbuAeYscNtI3a91cZYuHqQ8naI+wBRR6AtZTHr0DhycuzL9eS78fW+u35CBTpdB CHWkgtL4e4IOIX43hbdHGMZnsyhcIWbTGZ6UflhG/Bera3iQpeSYL6qOaEpusLIHNsb/ HdypEORdP+V9fZRPqEg2QS/70y9p8RxvDSNhhF7CKMpCOV1kN9paWuvFHMLW5kXf6CW6 Gg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3sgaydr8bk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 15 Aug 2023 08:28:23 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 15 Aug 2023 08:28:21 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Tue, 15 Aug 2023 08:28:21 -0700 Received: from localhost.localdomain (unknown [10.28.36.167]) by maili.marvell.com (Postfix) with ESMTP id A05013F7069; Tue, 15 Aug 2023 08:28:18 -0700 (PDT) From: Amit Singh Tomar To: , CC: , , , , , , Amit Singh Tomar Subject: [RFC 12/12] arm_mpam: Program Downstream priority value Date: Tue, 15 Aug 2023 20:57:12 +0530 Message-ID: <20230815152712.1760046-13-amitsinght@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230815152712.1760046-1-amitsinght@marvell.com> References: <20230815152712.1760046-1-amitsinght@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: YwdFVKD8zCPk4BzDY7B-Nps8cy0E9OfM X-Proofpoint-ORIG-GUID: YwdFVKD8zCPk4BzDY7B-Nps8cy0E9OfM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-15_16,2023-08-15_02,2023-05-22_02 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230815_082833_463096_53E8801C X-CRM114-Status: GOOD ( 14.23 ) 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 Now that Downstream priorities values can be passed from resource control schemata file, let's program it into memory mapped Priority Partition Configuration Register. Signed-off-by: Amit Singh Tomar --- TODO: * Invert Priority value based on DSPRI_0_IS_LOW, suggested by James. --- drivers/platform/mpam/mpam_devices.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/platform/mpam/mpam_devices.c b/drivers/platform/mpam/mpam_devices.c index 59022e42920c..8af6424bb27b 100644 --- a/drivers/platform/mpam/mpam_devices.c +++ b/drivers/platform/mpam/mpam_devices.c @@ -1153,8 +1153,12 @@ static void mpam_reprogram_ris_partid(struct mpam_msc_ris *ris, u16 partid, if (mpam_has_feature(mpam_feat_intpri_part, rprops)) pri_val |= FIELD_PREP(MPAMCFG_PRI_INTPRI, intpri); - if (mpam_has_feature(mpam_feat_dspri_part, rprops)) - pri_val |= FIELD_PREP(MPAMCFG_PRI_DSPRI, dspri); + if (mpam_has_feature(mpam_feat_dspri_part, rprops)) { + if (mpam_has_feature(mpam_feat_dspri_part, cfg)) { + pri_val |= FIELD_PREP(MPAMCFG_PRI_DSPRI, cfg->dspri & dspri); + } else + pri_val |= FIELD_PREP(MPAMCFG_PRI_DSPRI, dspri); + } mpam_write_partsel_reg(msc, PRI, pri_val); }