From patchwork Fri Jan 16 09:12:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 5646491 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1E2EF9F357 for ; Fri, 16 Jan 2015 09:17:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 507CC20122 for ; Fri, 16 Jan 2015 09:17:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 88C50200E5 for ; Fri, 16 Jan 2015 09:17:20 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YC2za-0004Lx-FV; Fri, 16 Jan 2015 09:14:58 +0000 Received: from mailout2.w1.samsung.com ([210.118.77.12]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YC2yb-0003pG-6B for linux-arm-kernel@lists.infradead.org; Fri, 16 Jan 2015 09:13:58 +0000 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout2.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NI90011WJ5C3E60@mailout2.w1.samsung.com> for linux-arm-kernel@lists.infradead.org; Fri, 16 Jan 2015 09:17:36 +0000 (GMT) X-AuditID: cbfec7f5-b7fc86d0000066b7-22-54b8d63d5af4 Received: from eusync2.samsung.com ( [203.254.199.212]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 42.AC.26295.D36D8B45; Fri, 16 Jan 2015 09:13:33 +0000 (GMT) Received: from amdc1339.digital.local ([106.116.147.30]) by eusync2.samsung.com (Oracle Communications Messaging Server 7u4-23.01 (7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0NI9003PAIY85K90@eusync2.samsung.com>; Fri, 16 Jan 2015 09:13:31 +0000 (GMT) From: Marek Szyprowski To: iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 01/18] drm: exynos: detach from default dma-mapping domain on init Date: Fri, 16 Jan 2015 10:12:55 +0100 Message-id: <1421399592-7482-2-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.2 In-reply-to: <1421399592-7482-1-git-send-email-m.szyprowski@samsung.com> References: <1421399592-7482-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrFLMWRmVeSWpSXmKPExsVy+t/xK7q213aEGKz8J2Xxd9IxdouJKycz W0y6P4HFYsF+a4vO2RvYLfofv2a2ONv0ht2ic+ISdosvVx4yWWx6fI3VYsb5fUwWa4/cZbc4 df0zm8W/3oOMFv/37GC3OPJwN7vFql1/GC1u/+azePnxBIuDsMeTg/OYPNbMW8Po8fvXJEaP nbPusnvM7pjJ6rF5hZbHplWdbB6bl9R73P73mNlj8o3ljB5XTjSxevQ2v2Pz6NuyitHj8ya5 AL4oLpuU1JzMstQifbsErozb14MK7rNVXJjdytTA+Iq1i5GTQ0LARKLr7SM2CFtM4sK99UA2 F4eQwFJGidOX9zBCOH1MEu3vpoNVsQkYAnV0gdkiAvkSL/b+ZQEpYhZ4ziIxb80GJpCEsEC4 xNrJp5i7GDk4WARUJR5/1wUJ8wq4S2z7up4JYpucxP+XK8BsTgEPiQOrH4BdJARU8/XiFvYJ jLwLGBlWMYqmliYXFCel5xrpFSfmFpfmpesl5+duYoTEx9cdjEuPWR1iFOBgVOLhddi0I0SI NbGsuDL3EKMEB7OSCO/GbUAh3pTEyqrUovz4otKc1OJDjEwcnFINjOdWrr12Rupd9UfRqV/3 Pjy/vLYlOTZ5/td9AZkr/4Uvjvq2beG7AmelE53tSibi05S6td98zOpdsPq0yr7XLbcmvZvS W3rn2nWnyn0T503xvNTyp0h3ctUdxeNvFDRE2RVWypb93OQftOFzSfy5lTWslcKvDY9+48j7 lrXeWPlq7brWE35zP21TYinOSDTUYi4qTgQAK6K+wW0CAAA= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150116_011357_411217_FA7FC90B X-CRM114-Status: UNSURE ( 7.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.0 (-----) Cc: Rob Herring , Thierry Reding , Shaik Ameer Basha , Arnd Bergmann , Inki Dae , Joerg Roedel , Will Deacon , Tomasz Figa , linaro-mm-sig@lists.linaro.org, Kyungmin Park , Kukjin Kim , Laurent Pinchart , Olof Johansson , Cho KyongHo , David Wodhouse , Marek Szyprowski X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds code, which detach sub-device nodes from default iommu domain if such has been configured. Signed-off-by: Marek Szyprowski --- drivers/gpu/drm/exynos/exynos_drm_iommu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c index b32b291f88ff..323601a52a25 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c @@ -100,6 +100,9 @@ int drm_iommu_attach_device(struct drm_device *drm_dev, dma_set_max_seg_size(subdrv_dev, 0xffffffffu); + if (subdrv_dev->archdata.mapping) + arm_iommu_detach_device(subdrv_dev); + ret = arm_iommu_attach_device(subdrv_dev, dev->archdata.mapping); if (ret < 0) { DRM_DEBUG_KMS("failed iommu attach.\n");