From patchwork Wed May 29 05:32:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13677856 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 E3A77C27C44 for ; Wed, 29 May 2024 05:36:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 44D51113028; Wed, 29 May 2024 05:36:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VamwWKgr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9D536113034 for ; Wed, 29 May 2024 05:36:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716960978; x=1748496978; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QPVW+nVXZ/Qv6phdysqv5NqIfLXG+N6nb5d8ku5/Eew=; b=VamwWKgrFbJJZ/vC1tQj0486SsBrZLQBgg9XxUhd+fvv+6/bXNg7MdaV KE6kWq2AT23vyrpiVJdTqnLV9QdTq6HArE2E6MD34GQkIdDFrQcmdhLS0 7EDJrvIYMdMcQhdm+WIzvk3M2OAwAq08wdRmlTCyfp1ztEOW7SBgU00Xs 07SJchH2z1RCqdx5Md9KgwU+U66eAwpPSQgXsn2oFeZmK8ijypielcbyV +ccm9tub/gpFkaMW+mQWZB/aNHfdAKZsvWysFdfLsLxPNTvRY/xPecBVW oMN5ld94O/XgDShHrZSH4E30kBoaWC9l62GvSAn2BY4z7aLghMz6HFiMN g==; X-CSE-ConnectionGUID: tb/fdStaTz+O7pywe7bNtg== X-CSE-MsgGUID: 2S8VJhH9Q6OytmoYr/HC4A== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="13568915" X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="13568915" 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 22:35:39 -0700 X-CSE-ConnectionGUID: H0Tfydb8Sd2Y4vK78rZTQg== X-CSE-MsgGUID: ejihKNhgR8KfyMoR83nR7Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="35257652" Received: from unknown (HELO allen-box.sh.intel.com) ([10.239.159.127]) by fmviesa007.fm.intel.com with ESMTP; 28 May 2024 22:35:34 -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 08/20] gpu: host1x: Use iommu_paging_domain_alloc() Date: Wed, 29 May 2024 13:32:38 +0800 Message-Id: <20240529053250.91284-9-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" An iommu domain is allocated in host1x_iommu_attach() and is attached to host->dev. Use iommu_paging_domain_alloc() to make it explicit. Signed-off-by: Lu Baolu --- drivers/gpu/host1x/dev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 3a0aaa68ac8d..46a2447c1124 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -404,9 +404,9 @@ static struct iommu_domain *host1x_iommu_attach(struct host1x *host) if (err < 0) goto put_group; - host->domain = iommu_domain_alloc(&platform_bus_type); - if (!host->domain) { - err = -ENOMEM; + host->domain = iommu_paging_domain_alloc(host->dev); + if (IS_ERR(host->domain)) { + err = PTR_ERR(host->domain); goto put_cache; }