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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D463C433E6 for ; Thu, 7 Jan 2021 12:30:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 323F123358 for ; Thu, 7 Jan 2021 12:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728095AbhAGMa2 (ORCPT ); Thu, 7 Jan 2021 07:30:28 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:57198 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725835AbhAGMa1 (ORCPT ); Thu, 7 Jan 2021 07:30:27 -0500 X-UUID: 83247eb64f6e4c4291ca48533de2d8f8-20210107 X-UUID: 83247eb64f6e4c4291ca48533de2d8f8-20210107 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 848856395; Thu, 07 Jan 2021 20:29:54 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Jan 2021 20:29:53 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 7 Jan 2021 20:29:52 +0800 From: Yong Wu To: Joerg Roedel , Will Deacon , Robin Murphy CC: Matthias Brugger , Krzysztof Kozlowski , Tomasz Figa , , , , , , , , Nicolas Boichat , , , Greg Kroah-Hartman , , Christoph Hellwig , David Laight Subject: [PATCH v4 3/7] iommu/mediatek: Add iotlb_sync_map to sync whole the iova range Date: Thu, 7 Jan 2021 20:29:05 +0800 Message-ID: <20210107122909.16317-4-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210107122909.16317-1-yong.wu@mediatek.com> References: <20210107122909.16317-1-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Remove IO_PGTABLE_QUIRK_TLBI_ON_MAP to avoid tlb sync for each a small chunk memory, Use the new iotlb_sync_map to tlb_sync once for whole the iova range of iommu_map. Signed-off-by: Yong Wu Reviewed-by: Robin Murphy --- drivers/iommu/mtk_iommu.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 8e56cec532e7..f579fc21971e 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -322,7 +322,6 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom) dom->cfg = (struct io_pgtable_cfg) { .quirks = IO_PGTABLE_QUIRK_ARM_NS | IO_PGTABLE_QUIRK_NO_PERMS | - IO_PGTABLE_QUIRK_TLBI_ON_MAP | IO_PGTABLE_QUIRK_ARM_MTK_EXT, .pgsize_bitmap = mtk_iommu_ops.pgsize_bitmap, .ias = 32, @@ -453,6 +452,14 @@ static void mtk_iommu_iotlb_sync(struct iommu_domain *domain, data); } +static void mtk_iommu_sync_map(struct iommu_domain *domain, unsigned long iova, + size_t size) +{ + struct mtk_iommu_data *data = mtk_iommu_get_m4u_data(); + + mtk_iommu_tlb_flush_range_sync(iova, size, size, data); +} + static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) { @@ -539,6 +546,7 @@ static const struct iommu_ops mtk_iommu_ops = { .unmap = mtk_iommu_unmap, .flush_iotlb_all = mtk_iommu_flush_iotlb_all, .iotlb_sync = mtk_iommu_iotlb_sync, + .iotlb_sync_map = mtk_iommu_sync_map, .iova_to_phys = mtk_iommu_iova_to_phys, .probe_device = mtk_iommu_probe_device, .release_device = mtk_iommu_release_device, -- 2.18.0