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Wed, 16 Dec 2020 02:46:29 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 16 Dec 2020 02:36:43 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 16 Dec 2020 18:36:41 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 16 Dec 2020 18:36:40 +0800 From: Yong Wu To: Joerg Roedel , Will Deacon , "Robin Murphy" Subject: [PATCH v3 3/7] iommu/mediatek: Add iotlb_sync_map to sync whole the iova range Date: Wed, 16 Dec 2020 18:36:03 +0800 Message-ID: <20201216103607.23050-4-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201216103607.23050-1-yong.wu@mediatek.com> References: <20201216103607.23050-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201216_054633_907658_59B74B88 X-CRM114-Status: GOOD ( 13.60 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, anan.sun@mediatek.com, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, Matthias Brugger , Greg Kroah-Hartman , kernel-team@android.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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 5878b11bc5e9..db7d43adb06b 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -376,7 +376,6 @@ 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 = MTK_IOMMU_HAS_FLAG(data->plat_data, IOVA_34_EN) ? 34 : 32, @@ -531,6 +530,14 @@ static void mtk_iommu_iotlb_sync(struct iommu_domain *domain, dom->data); } +static void mtk_iommu_sync_map(struct iommu_domain *domain, unsigned long iova, + size_t size) +{ + struct mtk_iommu_domain *dom = to_mtk_domain(domain); + + mtk_iommu_tlb_flush_range_sync(iova, size, size, dom->data); +} + static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) { @@ -655,6 +662,7 @@ 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 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek