From patchwork Tue Feb 23 06:25:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 8387641 Return-Path: X-Original-To: patchwork-dri-devel@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 04C229F52D for ; Tue, 23 Feb 2016 06:26:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 31EA7205C2 for ; Tue, 23 Feb 2016 06:26:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 5EA312038E for ; Tue, 23 Feb 2016 06:26:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 652A36E329; Tue, 23 Feb 2016 06:26:41 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9D8CE6E328 for ; Tue, 23 Feb 2016 06:26:09 +0000 (UTC) Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com id ; Mon, 22 Feb 2016 22:25:55 -0800 Received: from hqemhub03.nvidia.com ([172.20.12.94]) by hqnvupgp08.nvidia.com (PGP Universal service); Mon, 22 Feb 2016 22:26:04 -0800 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 22 Feb 2016 22:26:04 -0800 Received: from percival.nvidia.com (172.20.144.16) by hqemhub03.nvidia.com (172.20.150.15) with Microsoft SMTP Server (TLS) id 8.3.406.0; Mon, 22 Feb 2016 22:26:07 -0800 From: Alexandre Courbot To: Thierry Reding , =?UTF-8?q?Terje=20Bergstr=C3=B6m?= , Stephen Warren Subject: [PATCH 1/2] drm/tegra: Set DMA ops Date: Tue, 23 Feb 2016 15:25:53 +0900 Message-ID: <1456208754-12362-1-git-send-email-acourbot@nvidia.com> X-Mailer: git-send-email 2.7.1 X-NVConfidentiality: public MIME-Version: 1.0 Cc: linux-tegra@vger.kernel.org, gnurou@gmail.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 The current settings leaves the DRM device's dma_ops field NULL, which makes it use the dummy DMA ops on arm64 and return an error whenever we try to import a buffer. Call of_dma_configure() with a NULL node (since the device is not spawn from the device tree) so that arch_setup_dma_ops() is called and sets the default ioswtlb DMA ops. Signed-off-by: Alexandre Courbot --- drivers/gpu/drm/tegra/drm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index d347188bf8f4..bc0555adecaf 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -9,6 +9,7 @@ #include #include +#include #include #include @@ -990,6 +991,7 @@ static int host1x_drm_probe(struct host1x_device *dev) return -ENOMEM; dev_set_drvdata(&dev->dev, drm); + of_dma_configure(drm->dev, NULL); err = drm_dev_register(drm, 0); if (err < 0)