From patchwork Fri Jan 23 15:51:11 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 5695321 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AAB2CC058D for ; Fri, 23 Jan 2015 16:07:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D1E5420154 for ; Fri, 23 Jan 2015 16:07:29 +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 ACE1920149 for ; Fri, 23 Jan 2015 16:07:28 +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 1YEgjx-0008U4-5V; Fri, 23 Jan 2015 16:05:45 +0000 Received: from mailout4.w1.samsung.com ([210.118.77.14]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YEgWz-000511-SI for linux-arm-kernel@lists.infradead.org; Fri, 23 Jan 2015 15:52:24 +0000 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout4.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NIN00HSB09ASN10@mailout4.w1.samsung.com> for linux-arm-kernel@lists.infradead.org; Fri, 23 Jan 2015 15:55:58 +0000 (GMT) X-AuditID: cbfec7f5-b7fc86d0000066b7-05-54c26d8cb985 Received: from eusync2.samsung.com ( [203.254.199.212]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id C4.41.26295.C8D62C45; Fri, 23 Jan 2015 15:49:32 +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 <0NIN00D0K02EEX60@eusync2.samsung.com>; Fri, 23 Jan 2015 15:51:57 +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 v5 01/18] drm: exynos: detach from default dma-mapping domain on init Date: Fri, 23 Jan 2015 16:51:11 +0100 Message-id: <1422028288-891-2-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.2 In-reply-to: <1422028288-891-1-git-send-email-m.szyprowski@samsung.com> References: <1422028288-891-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrKLMWRmVeSWpSXmKPExsVy+t/xK7o9uYdCDHqmCVj8nXSM3WLiysnM FpPuT2CxWLDf2qJz9gZ2ixf3LrJY9D9+zWxxtukNu0XnxCXsFl+uPGSy2PT4GqvFjPP7mCzW HrnLbnHq+mc2i3+9Bxkt/u/ZwW5x5OFudosZk1+yWaza9YfR4vZvPouXH0+wOIh6PDk4j8lj zbw1jB6/f01i9Ng56y67x+yOmawem1doeWxa1cnmsXlJvcftf4+ZPSbfWM7oceVEE6tHb/M7 No++LasYPT5vkgvgi+KySUnNySxLLdK3S+DK2L7hMXPBVbaKl78FGhgfsHYxcnJICJhITNn3 hB3CFpO4cG89WxcjF4eQwFJGie6135ggnD4miXvHmplBqtgEDCW63naxgdgiAvkSL/b+ZQEp YhbYyyqxYcFpJpCEsEC4xI/bN1hAbBYBVYkPE5czgti8Am4S24+3QK2Wk/j/cgVYPaeAu8SP 1plg9UJANesX9zBPYORdwMiwilE0tTS5oDgpPddIrzgxt7g0L10vOT93EyMkar7uYFx6zOoQ owAHoxIP74E3B0OEWBPLiitzDzFKcDArifBmpBwKEeJNSaysSi3Kjy8qzUktPsTIxMEp1cBo fFQyOl/sQX9J6A6fnF0dRV5BuqsypsYd/yO4JDji2rHj//57pFe3skgKmOr07C1g3nzCfaNP /PFH01U6CnediEmsXn7rwYY321zyXburotz4K104uEVmsDDO2M396fi/KNUyI9ept2vMmMR3 7L5045tY8dMf81IPcPYpb4m6sWfGi/8mu1cpsRRnJBpqMRcVJwIAgf3ZnngCAAA= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150123_075222_106008_D3B131DF X-CRM114-Status: UNSURE ( 7.65 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.0 (-----) Cc: Rob Herring , Thierry Reding , Shaik Ameer Basha , Joonyoung Shim , Arnd Bergmann , Inki Dae , Seung-Woo Kim , 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 b32b291..323601a 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");