From patchwork Wed May 29 05:32:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13677853 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A1578C25B75 for ; Wed, 29 May 2024 05:36:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E8B041130FE; Wed, 29 May 2024 05:36:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Wrh37zMd"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 58C3811307D for ; Wed, 29 May 2024 05:36:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716960976; x=1748496976; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GbpYXxZBS+r4Y0EiK3BFmXVZKaFfLeJ2IAlI0t0Upno=; b=Wrh37zMdH2gkMq0VgNev7DfrlbEZhc8hFNNDvpKCbAdUsFXU+MAmBcfG TeAAt1jUPvrLhZibyfgBnTE3ZE+PryeHKoc9n9fQ1qwIDahAOD5TDIojv BcX2cOCs64Sp6nqinvRfGjA+ak7uweMiBPRZV810g2DK6FL58Gt0ew53t vfTumsIYdil4IcP5kLFKPoJ87U8zvgpRpHOKBK2UfM1ZXPicQRZjM3jjB 0GPzD/GwchuXEBHwGOpbofk6YU1r9PJ3t+X+yvEYri7UGhX1L2Rh8HEPm Tf7K9M5Wb1EDgPrnWQoo4tKvNMeaOEYVTZtSPv5Uyk9992cUwt1ioKpOJ g==; X-CSE-ConnectionGUID: YvoK27+IQIWxqEphdbxl/A== X-CSE-MsgGUID: HXW3a8GCSfm60n+9l20FNA== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="13568874" X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="13568874" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2024 22:35:35 -0700 X-CSE-ConnectionGUID: 1de5gOz8RiiJc2GTEm4qYg== X-CSE-MsgGUID: P2dlEMyTRzOFmN4BYECPHg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="35257612" Received: from unknown (HELO allen-box.sh.intel.com) ([10.239.159.127]) by fmviesa007.fm.intel.com with ESMTP; 28 May 2024 22:35:30 -0700 From: Lu Baolu To: Joerg Roedel , Will Deacon , Robin Murphy , Jason Gunthorpe , Kevin Tian Cc: Yi Liu , David Airlie , Daniel Vetter , Kalle Valo , Bjorn Andersson , Mathieu Poirier , Alex Williamson , mst@redhat.com, Jason Wang , Thierry Reding , Jonathan Hunter , Mikko Perttunen , iommu@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 07/20] drm/nouveau/tegra: Use iommu_paging_domain_alloc() Date: Wed, 29 May 2024 13:32:37 +0800 Message-Id: <20240529053250.91284-8-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240529053250.91284-1-baolu.lu@linux.intel.com> References: <20240529053250.91284-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 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" In nvkm_device_tegra_probe_iommu(), a paging domain is allocated for @dev and attached to it on success. Use iommu_paging_domain_alloc() to make it explicit. Signed-off-by: Lu Baolu --- drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 87caa4a72921..763c4c2925f9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -120,8 +120,8 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev) mutex_init(&tdev->iommu.mutex); if (device_iommu_mapped(dev)) { - tdev->iommu.domain = iommu_domain_alloc(&platform_bus_type); - if (!tdev->iommu.domain) + tdev->iommu.domain = iommu_paging_domain_alloc(dev); + if (IS_ERR(tdev->iommu.domain)) goto error; /*