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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 0D140C433F7 for ; Wed, 26 Aug 2020 06:35:47 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D5A9720825 for ; Wed, 26 Aug 2020 06:35:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="Kxfw5LQq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D5A9720825 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=samsung.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id BB84E86B67; Wed, 26 Aug 2020 06:35:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Iezs+mAoAQwC; Wed, 26 Aug 2020 06:35:45 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 3411286C46; Wed, 26 Aug 2020 06:35:44 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2E4A7C088B; Wed, 26 Aug 2020 06:35:44 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id AABBAC0051 for ; Wed, 26 Aug 2020 06:35:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 5C42387BD4 for ; Wed, 26 Aug 2020 06:35:40 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WPsfBS6841sO for ; Wed, 26 Aug 2020 06:35:39 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) by hemlock.osuosl.org (Postfix) with ESMTPS id BDF6087CD2 for ; Wed, 26 Aug 2020 06:35:39 +0000 (UTC) Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20200826063538euoutp02720611ea2d10387f3b2fd57e330e4b87~uvevEpOwj1512715127euoutp02R for ; Wed, 26 Aug 2020 06:35:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.w1.samsung.com 20200826063538euoutp02720611ea2d10387f3b2fd57e330e4b87~uvevEpOwj1512715127euoutp02R DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1598423738; bh=Xz5Z61X+A6u/FrMD8ciD40ug8xujs/WBHWVc8ZYxDIk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Kxfw5LQqbscH9OS4T8DqP+mQ2eczTgxb/qcn46n/wvZsQNbgcBXNi21WR52Y+nQTX yFix7yFVsvWXRvjIJTSRCOeitt4a+46gZ9co/sJl5UjdL8Mf9vZc3hN7C54iNXds// FtWfIV0c71QaDoXx+GfAKSVgoBAPMcuUxcd5f298= Received: from eusmges2new.samsung.com (unknown [203.254.199.244]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20200826063537eucas1p136ab8e9b3264dbfa54eb4f93d3546818~uveuo2RVu1478314783eucas1p1c; Wed, 26 Aug 2020 06:35:37 +0000 (GMT) Received: from eucas1p2.samsung.com ( [182.198.249.207]) by eusmges2new.samsung.com (EUCPMTA) with SMTP id 9F.AD.05997.9B2064F5; Wed, 26 Aug 2020 07:35:37 +0100 (BST) Received: from eusmtrp1.samsung.com (unknown [182.198.249.138]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20200826063537eucas1p1462d4761c8eb6d762fe5ea0fbd3b6e3b~uveuV-lbG1942019420eucas1p1t; Wed, 26 Aug 2020 06:35:37 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20200826063537eusmtrp152c96356b8271c4f15f3f216299ac3ec~uveuVWek81167511675eusmtrp1B; Wed, 26 Aug 2020 06:35:37 +0000 (GMT) X-AuditID: cbfec7f4-65dff7000000176d-cf-5f4602b9c337 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id E5.D0.06314.9B2064F5; Wed, 26 Aug 2020 07:35:37 +0100 (BST) Received: from AMDC2765.digital.local (unknown [106.120.51.73]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20200826063536eusmtip225a50614f20e5520d7b433fd13c9606c~uvetwvLfs0091500915eusmtip2I; Wed, 26 Aug 2020 06:35:36 +0000 (GMT) From: Marek Szyprowski To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 16/32] drm: rockchip: use common helper for a scatterlist contiguity check Date: Wed, 26 Aug 2020 08:33:00 +0200 Message-Id: <20200826063316.23486-17-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200826063316.23486-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0WSa0zTUBzFc9u16+aG3SThRkHNDIomikM/VIfGF1ojGv1qIqNqBeI2cQUU E5CgEkUebhAloGSiBoUhOpDHVF5Rp0GngTnxQWTgjIITAxuKUZCmqN9+59z/ueefm0ugylZs NpFkSGGNBkanwqWihkfjz5c2I5u1y+s8C6h85xOEul1Si1GTDSaUcgWGcepG9UOEmuwfwqhL 5gzK0qqh/C4PQtkG3BjVbb+IUyN9kyhV86BXTLV/+4CtC6Kt5VZA3x+ziOjGsT6Mfn/WgdB1 V4/TbycGULqopxLQd19n4fTv0lYRXVBfBehGdzlKj9rm7pTtlkbvZ3VJaawxcm28NPHzpQqQ XC07OnjVjGWB69JcICEguRK6PU1ILpASSvI6gCN3bgFB+AHMv3cTFcQogL43V7C/kYIzJ6cj lQC+cnvRfxHT/QDCT+GkGub6cnGeg8lTAD7Ol/GMkudRWBXYzPMsUgs/ec9M3UoQIjIcBorn 87acXAsLB9sQoWwerL7VhvIsmfIdZwtxvguSbjH0uby4MLQJdn8fBgLPgoOOerHAobCzKE8k BE4A6HHWiAWRB2B3dsl0QgPfOX/i/BYouRjW2iMFez2sdNvEvA3JINjjUwj7B0FzwwVUsOXw dI5SmF4ISx03/9W2v+hCBaZhaVPZ9JOaADyZMwHOgXml/8ssAFSBEDaV0yewXJSBPbKMY/Rc qiFh2b5DehuY+ladEw5/E7D/2tsBSAKoZHILHqNVYkwal67vAJBAVcHyDc8645Ty/Uz6MdZ4 SGtM1bFcB5hDiFQh8hUVn/coyQQmhT3Issms8e8pQkhmZ4EDX1qcQ+M3Fl3cgEaEniteo7Jy 8YcjwoZG8uxx5XmKbQfqTMUbPeoZS4d7Ymb6mZh01bjOuqol7Ojz9rLsLtlqg17e5e7+aP3x SfN1a1xX7A7XtdpVFzKLEsNDt9uS/WZvx9NdEiKjmGlRJBxLVis0L3tjbYHm/mh4OTMqdcsu lYhLZNRLUCPH/AEA06MOUgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrIIsWRmVeSWpSXmKPExsVy+t/xe7o7mdziDWad4bfoPXeSyWLjjPWs Fv+3TWS2uPL1PZvFytVHmSz+P3rNajF3Uq3Fgv3WFl+uPGSy2PT4GqvF5V1z2Cw+PfjPbLH2 yF12i4MfnrA68HmsmbeG0WPvtwUsHtu/PWD1uN99nMlj85J6j9v/HjN7TL6xnNFj980GNo+/ s/azePRtWcXosf3aPGaPz5vkAnii9GyK8ktLUhUy8otLbJWiDS2M9AwtLfSMTCz1DI3NY62M TJX07WxSUnMyy1KL9O0S9DJezl3EWLCap+LVkkmsDYwruLoYOTkkBEwk+jpbmLoYuTiEBJYy SrTvu8MIkZCRODmtgRXCFpb4c62LDaLoE6PExO5+dpAEm4ChRNdbiISIQCejxLTuj+wgDrPA PGaJ5asOM4FUCQvESsw+OI+li5GDg0VAVeLrFAWQMK+AnUT/qwNMEBvkJVZvOMAMYnMCxY93 97OB2EICthKn185gnsDIt4CRYRWjSGppcW56brGhXnFibnFpXrpecn7uJkZg9Gw79nPzDsZL G4MPMQpwMCrx8C5gc40XYk0sK67MPcQowcGsJMLrdPZ0nBBvSmJlVWpRfnxRaU5q8SFGU6Cb JjJLiSbnAyM7ryTe0NTQ3MLS0NzY3NjMQkmct0PgYIyQQHpiSWp2ampBahFMHxMHp1QDY6pJ 4PbHJq+KZ+m+SnnrtnebdIjp30qNqRuU1l04sT7r+aZ55zI0U6MczpYda2zO+LrqCb+r2bQJ 3HOdt5yu/rmg5DbHdObl3PZ8+vrFOWq3Ay0WfXuXszTlVd7d7nMuU/o9DbQmiPhkxuv6KyRm zZj7KEF+6gTvZye3f4h/cEjw57aYRL43/5VYijMSDbWYi4oTAc8Z7z+0AgAA X-CMS-MailID: 20200826063537eucas1p1462d4761c8eb6d762fe5ea0fbd3b6e3b X-Msg-Generator: CA X-RootMTR: 20200826063537eucas1p1462d4761c8eb6d762fe5ea0fbd3b6e3b X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200826063537eucas1p1462d4761c8eb6d762fe5ea0fbd3b6e3b References: <20200826063316.23486-1-m.szyprowski@samsung.com> Cc: =?UTF-8?q?Heiko=20St=C3=BCbner?= , Bartlomiej Zolnierkiewicz , David Airlie , Sandy Huang , linux-rockchip@lists.infradead.org, Daniel Vetter , Robin Murphy , Christoph Hellwig , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Use common helper for checking the contiguity of the imported dma-buf. Signed-off-by: Marek Szyprowski --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index b9275ba7c5a5..2970e534e2bb 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -460,23 +460,6 @@ struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj) return sgt; } -static unsigned long rockchip_sg_get_contiguous_size(struct sg_table *sgt, - int count) -{ - struct scatterlist *s; - dma_addr_t expected = sg_dma_address(sgt->sgl); - unsigned int i; - unsigned long size = 0; - - for_each_sg(sgt->sgl, s, count, i) { - if (sg_dma_address(s) != expected) - break; - expected = sg_dma_address(s) + sg_dma_len(s); - size += sg_dma_len(s); - } - return size; -} - static int rockchip_gem_iommu_map_sg(struct drm_device *drm, struct dma_buf_attachment *attach, @@ -498,7 +481,7 @@ rockchip_gem_dma_map_sg(struct drm_device *drm, if (!count) return -EINVAL; - if (rockchip_sg_get_contiguous_size(sg, count) < attach->dmabuf->size) { + if (drm_prime_get_contiguous_size(sg) < attach->dmabuf->size) { DRM_ERROR("failed to map sg_table to contiguous linear address.\n"); dma_unmap_sg(drm->dev, sg->sgl, sg->nents, DMA_BIDIRECTIONAL); -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu