From patchwork Wed Nov 19 11:15:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 5336371 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 79879C11AC for ; Wed, 19 Nov 2014 11:20:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A46F920103 for ; Wed, 19 Nov 2014 11:20:36 +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 84D6C201BB for ; Wed, 19 Nov 2014 11:20:35 +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 1Xr3HL-0002Oj-33; Wed, 19 Nov 2014 11:18:31 +0000 Received: from mailout3.w1.samsung.com ([210.118.77.13]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xr3Fg-0001SV-V2 for linux-arm-kernel@lists.infradead.org; Wed, 19 Nov 2014 11:16:52 +0000 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout3.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NFA00JRTA44RH40@mailout3.w1.samsung.com> for linux-arm-kernel@lists.infradead.org; Wed, 19 Nov 2014 11:19:17 +0000 (GMT) X-AuditID: cbfec7f5-b7f956d000005ed7-b3-546c7c08553c Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 98.A2.24279.80C7C645; Wed, 19 Nov 2014 11:16:24 +0000 (GMT) Received: from amdc1339.digital.local ([106.116.147.30]) by eusync1.samsung.com (Oracle Communications Messaging Server 7u4-23.01 (7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0NFA00GC59YMTL30@eusync1.samsung.com>; Wed, 19 Nov 2014 11:16:24 +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 v3 04/19] drm: exynos: detach from default dma-mapping domain on init Date: Wed, 19 Nov 2014 12:15:33 +0100 Message-id: <1416395748-10731-5-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.2 In-reply-to: <1416395748-10731-1-git-send-email-m.szyprowski@samsung.com> References: <1416395748-10731-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrOLMWRmVeSWpSXmKPExsVy+t/xy7ocNTkhBt/vyln8nXSM3WLiysnM FpPuT2CxWLDf2qJz9gZ2i94FV9kszja9YbfonLiE3eLLlYdMFpseX2O1mHF+H5PF2iN32S1O Xf/MZvGv9yCjxf89O9gtjjzczW6xatcfRovbv/ksXn48weIg7PHk4DwmjzXz1jB6/P41idFj 56y77B6zO2ayemxeoeWxaVUnm8fmJfUet/89ZvaYfGM5o8eVE02sHr3N79g8+rasYvT4vEku gC+KyyYlNSezLLVI3y6BK+P29aCC+2wVF2a3MjUwvmLtYuTkkBAwkWg+3wpli0lcuLeerYuR i0NIYCmjxNO+vywQTh+TxJobi9lBqtgEDCW63naxgdgiAvkSL/aCFHFyMAu8YZG4t8mwi5GD Q1ggXOLVK1sQk0VAVeLQczGQCl4BD4mLj64xQeySk/j/cgUTSAmngKfE9RdgQ4SASpqmr2Od wMi7gJFhFaNoamlyQXFSeq6RXnFibnFpXrpecn7uJkZIZHzdwbj0mNUhRgEORiUe3obinBAh 1sSy4srcQ4wSHMxKIrzFhUAh3pTEyqrUovz4otKc1OJDjEwcnFINjJOO8LEJqJZHHnJaPLvU M3nuFI7gVVc7Q/7ez+tne/Lk1emZp0RuKr2Plb2ysIZ/0l3tnSzmR50VWHpifdfcndHXza9x 9taZKcF5FlPbNzlknzgRH8xwMtnLRbT9bIaLY90fxn0XDjM+MOren1a1T+nWdVmzE4kfXi4U /nnzzv3+tC7HLTPSJiuxFGckGmoxFxUnAgCoskztagIAAA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141119_031649_198381_74DCDC27 X-CRM114-Status: UNSURE ( 9.08 ) 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, 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");