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[209.132.180.67]) by mx.google.com with ESMTP id dw7si13274669pab.96.2014.09.16.04.55.04 for ; Tue, 16 Sep 2014 04:55:05 -0700 (PDT) Received-SPF: none (google.com: linux-samsung-soc-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754328AbaIPLzB (ORCPT + 6 others); Tue, 16 Sep 2014 07:55:01 -0400 Received: from mailout4.w1.samsung.com ([210.118.77.14]:62696 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754319AbaIPLy7 (ORCPT ); Tue, 16 Sep 2014 07:54:59 -0400 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 <0NBZ00C61T87Z1B0@mailout4.w1.samsung.com> for linux-samsung-soc@vger.kernel.org; Tue, 16 Sep 2014 12:57:43 +0100 (BST) X-AuditID: cbfec7f5-b7f776d000003e54-d9-5418250e1270 Received: from eusync2.samsung.com ( [203.254.199.212]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 85.8C.15956.E0528145; Tue, 16 Sep 2014 12:54:55 +0100 (BST) 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 <0NBZ00CMIT3CL960@eusync2.samsung.com>; Tue, 16 Sep 2014 12:54:54 +0100 (BST) From: Marek Szyprowski To: iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marek Szyprowski , linaro-mm-sig@lists.linaro.org, Arnd Bergmann , Shaik Ameer Basha , Cho KyongHo , Joerg Roedel , Thierry Reding , Olof Johansson , Laurent Pinchart , Rob Herring , Will Deacon , David Wodhouse , Inki Dae , Kukjin Kim , Tomasz Figa , Kyungmin Park Subject: [PATCH v2 03/18] drm: exynos: detach from default dma-mapping domain on init Date: Tue, 16 Sep 2014 13:54:30 +0200 Message-id: <1410868485-4143-4-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.2 In-reply-to: <1410868485-4143-1-git-send-email-m.szyprowski@samsung.com> References: <1410868485-4143-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJLMWRmVeSWpSXmKPExsVy+t/xK7r8qhIhBjtPsFv8nXSM3WLiysnM FpPuT2CxWLDf2qJz9gZ2i94FV9kszja9YbfonLiE3eLLlYdMFpseX2O1mHF+H5PF2iN32S1O Xf/MZvGv9yCjxf89O9gtjjzczW6xatcfRovbv/ksXn48weIg7PHk4DwmjzXz1jB6/P41idFj 56y77B6zO2ayemxeoeWxaVUnm8fmJfUet/89ZvaYfGM5o8eVE02sHr3N79g8+rasYvT4vEku gC+KyyYlNSezLLVI3y6BK+P29aCC+2wVF2a3MjUwvmLtYuTkkBAwkdjzYhkThC0mceHeerYu Ri4OIYGljBL3V85mhnD6mCT2bd3LDlLFJmAo0fW2iw3EFhHIl3ix9y8LiM0s8IZF4t4mQxBb WCBcou/uKWYQm0VAVeLGn+1A2zg4eAXcJRr/sUAsk5P4/3IF2GJOAQ+JyW1PwMqFgEo+fjvF NIGRdwEjwypG0dTS5ILipPRcI73ixNzi0rx0veT83E2MkOj4uoNx6TGrQ4wCHIxKPLwZ/8RD hFgTy4orcw8xSnAwK4nwaihKhAjxpiRWVqUW5ccXleakFh9iZOLglGpgnGKw+EFIpkl9/w7N rn3WS1o+8M8rUL9YobrHuPXVmkNWu5of2R8+bH/txLIqpXW/9F9/jM19FrHwGQvHzae7J3w4 NEVk+VpZ9oRXhWcS+VP5D99Ki/2e/uaRdOv0S9cShaweHu2M+3/5pvbb1Lt/dx9WuTbl5fxj JRdPvJqksuGX1qVrR39mmIkosRRnJBpqMRcVJwIA4zfQvGwCAAA= Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: m.szyprowski@samsung.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.217.175 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , 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");