From patchwork Thu Jun 18 15:39:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 11612653 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D133D14E3 for ; Thu, 18 Jun 2020 15:45:54 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5E017206FA for ; Thu, 18 Jun 2020 15:45:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Zc9j0S2K"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="tC6UEjuK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E017206FA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=samsung.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=ceZDGFqXXpNQXBYiLX6K2u/zB3lVumClGhOmDTJt2wY=; b=Zc9j0S2KuzEYsy4kX9TYRg5drU CwRDgBP1oM4cQ1wS+T7gcREvTxHdW3LyuE6f8ZlJsNztW7mf+eZUTo/XNL1mINg7MZd+geApgkFkI o4b8kzB/M1V3gbiQndvO5mOcRYLCtDQi3V8TdGaR+QFfs8SkCVvrR9mFetKeaBcpQ/pPyIUhIJUgK vaIanU4nQcgbA/jUZhN5Gy19ftBWdiQqO0mIdGk67JIyTBkznew4t7Rq3eUr3+eaAT7s9G8BeFApf n3zNRCXlTyTAXSpsw+mGiffguRJbpRgqW2P8mKzy89oRGxv60fUIZ3LTicV04WPX0zL3de0xU+jvN 79E8ZXGw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jlwjZ-0002Sg-F8; Thu, 18 Jun 2020 15:45:45 +0000 Received: from mailout1.w1.samsung.com ([210.118.77.11]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jlweU-0004HV-Sq for linux-arm-kernel@lists.infradead.org; Thu, 18 Jun 2020 15:40:34 +0000 Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout1.w1.samsung.com (KnoxPortal) with ESMTP id 20200618154027euoutp012f36aea1983117d2f4ab6b23912e96d6~ZrZuppDlA1844818448euoutp019 for ; Thu, 18 Jun 2020 15:40:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.w1.samsung.com 20200618154027euoutp012f36aea1983117d2f4ab6b23912e96d6~ZrZuppDlA1844818448euoutp019 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1592494827; bh=Xz5Z61X+A6u/FrMD8ciD40ug8xujs/WBHWVc8ZYxDIk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tC6UEjuKXNLSomqGjoEMK8w3W1gK8t6jjjsDBvf2C5Mn3pjdvL5lm3mQeS+RI6OWH VEeQXGRiy3b/S8UlEfqJul/del29S9PvIA6uPutMqBDr2THZVqs0GvrHSy9cxVtECV o9DWG+Is3oCxtrUBDHKPPpc1ZwnjPsA+Qy+tf1W4= Received: from eusmges1new.samsung.com (unknown [203.254.199.242]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20200618154027eucas1p146034164d01a03da01714b7775571575~ZrZucqgf01949419494eucas1p1C; Thu, 18 Jun 2020 15:40:27 +0000 (GMT) Received: from eucas1p1.samsung.com ( [182.198.249.206]) by eusmges1new.samsung.com (EUCPMTA) with SMTP id 85.1F.61286.AEA8BEE5; Thu, 18 Jun 2020 16:40:27 +0100 (BST) Received: from eusmtrp1.samsung.com (unknown [182.198.249.138]) by eucas1p2.samsung.com (KnoxPortal) with ESMTPA id 20200618154026eucas1p27589d4e89563b89eb27459cf9743c7b4~ZrZttEmh70501005010eucas1p2h; Thu, 18 Jun 2020 15:40:26 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20200618154026eusmtrp1b90595c5c8a06a0bc99d6c76c8ffe717~ZrZtsY_KS2169821698eusmtrp1f; Thu, 18 Jun 2020 15:40:26 +0000 (GMT) X-AuditID: cbfec7f2-f0bff7000001ef66-d7-5eeb8aeae3d1 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 98.E9.07950.AEA8BEE5; Thu, 18 Jun 2020 16:40:26 +0100 (BST) Received: from AMDC2765.digital.local (unknown [106.120.51.73]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200618154025eusmtip1c83939d4801dd13c007ecd453f01f5fd~ZrZtDwou00742307423eusmtip1T; Thu, 18 Jun 2020 15:40:25 +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 v6 18/36] drm: rockchip: use common helper for a scatterlist contiguity check Date: Thu, 18 Jun 2020 17:39:39 +0200 Message-Id: <20200618153956.29558-19-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200618153956.29558-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0WSfUhTURjGO7v3bnNsdtskjxYqg75RkzQuKaZScQ2E/jKxnK28TGubsqlp EA1DiaWmrqaIzg8kbWqayRTLTMuWrabNMawMvwrR+RF+hUWuzav13+99zvuc530Ph43wuzFv doo8nVLIxVIhk4Ma3qyb/e1qu+iophQQBeYBBvGkrAUjHIZihLCuLjKJR439DMIxaceIypKb RHVPKLFinWAQbVM2jBjuqmASS+MOhGh+/ZVF9P74hkW4k026JkB2r1WjZMfaOEaO3TUyyKd1 t8gvG1MIqRmpB+SzTyom+ae8ByUL2/WA7LDpEHK5zeccN54TlkRJUzIpRWD4JU7yTGUtSGvk Zs3WlWAq0MBRAzc2xIPhtK2N4WI+3gDg6ACqBhwnrwDYXTq5VSwDuPB5DGw7LO86UdpRD6Bt 6CrNTkeN2tfFTDwIqufVTBd74LkAvi3guhjBtQjUr55xsQBPhB0LIywXo/g+6Ghv2mQeHg4/ vtKidJYvbGx9ibjYzambjLmYayCIW1gwp8vOpJtOwVrd2pZBAGeN7Sya90KTJh+lDbcBnDA3 s+giH8DhnLKtdULhqPmX8ya2c7xDsKUrkJYjYc2Dnk0Z4u5wZH4XvYA7LDGUIrTMg3fy+HT3 flhufPwvtnfIgtBMQov6N0I/YjGAppEmpAj4lv8PqwZADzypDKVMQimD5NT1AKVYpsyQSwKu pMragPNTmTaMS51g1XK5D+BsIOTyIs7bRXxMnKnMlvUByEaEHryoDyYRn5ckzr5BKVITFRlS StkH9rBRoSfvWO1MAh+XiNOpaxSVRim2TxlsN28VCO13+N2rTT0eWxgyZ7Nqyk6zFiVLVeui YGnB/QlZ2AkvlmHgp/lgkXbQ/0DHkaiLqti42CysVVtSevaCVlCVVxmjy4z2CtGp3/tFn5z3 NFjHNUtJkfFR6XEvvovXzdU++ueru1uiHwoMaNXcTsdsoVQ/KEqI2SGdDpsfCq7IF6LKZHHQ YUShFP8FLcLImlADAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrEIsWRmVeSWpSXmKPExsVy+t/xu7qvul7HGWz6LmDRe+4kk8XGGetZ Lf5vm8hsceXrezaLlauPMln8f/Sa1WLupFqLBfutLb5cechksenxNVaLy7vmsFl8evCf2WLt kbvsFgc/PGF14PNYM28No8febwtYPLZ/e8Dqcb/7OJPH5iX1Hrf/PWb2mHxjOaPH7psNbB5/ Z+1n8ejbsorRY/u1ecwenzfJBfBE6dkU5ZeWpCpk5BeX2CpFG1oY6RlaWugZmVjqGRqbx1oZ mSrp29mkpOZklqUW6dsl6GW8nLuIsWA1T8WrJZNYGxhXcHUxcnJICJhIXDq1g6WLkYtDSGAp o8SyezvYIRIyEienNbBC2MISf651sUEUfWKU+Nu0khkkwSZgKNH1FiIhItDJKDGt+yM7iMMs MI9ZYvmqw0wgVcICsRIbnq4As1kEVCX+b1kDtoJXwE7i4uFpLBAr5CVWbzgANpUTKH76eCvY aiEBW4nnH9rYJjDyLWBkWMUoklpanJueW2ykV5yYW1yal66XnJ+7iREYP9uO/dyyg7HrXfAh RgEORiUe3hchr+OEWBPLiitzDzFKcDArifA6nT0dJ8SbklhZlVqUH19UmpNafIjRFOioicxS osn5wNjOK4k3NDU0t7A0NDc2NzazUBLn7RA4GCMkkJ5YkpqdmlqQWgTTx8TBKdXA2LH0943k JS7xDQ5O3EveuBoUBu1t+zv7yJ8DaV8f7d1l9Etu/XWttd4bA+/Yu8y2VsgQylQ5WsaeWqrH oRLYxd8drHmCz+K4Ts/DlfPSPk7VEyzQthOcN+W+4ez6pH3/G+M/mj//Fv9gqUHr/RczZ99J 3+u2PuVa8IPqKRWLpP4ee7E1JLbcU4mlOCPRUIu5qDgRAI6ky061AgAA X-CMS-MailID: 20200618154026eucas1p27589d4e89563b89eb27459cf9743c7b4 X-Msg-Generator: CA X-RootMTR: 20200618154026eucas1p27589d4e89563b89eb27459cf9743c7b4 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200618154026eucas1p27589d4e89563b89eb27459cf9743c7b4 References: <20200618153956.29558-1-m.szyprowski@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200618_084031_180831_B2D4D985 X-CRM114-Status: GOOD ( 13.14 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.11 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Heiko_St=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, Marek Szyprowski MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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);