From patchwork Tue Jun 4 01:51:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13684543 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 0A2F5C25B75 for ; Tue, 4 Jun 2024 01:54:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 151D610E3FB; Tue, 4 Jun 2024 01:54:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Boy63i1q"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7AE6610E3FB for ; Tue, 4 Jun 2024 01:54:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717466074; x=1749002074; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3intrfdlq62sPZGdllNzLo1Ahf/WR8/6yPI2eqBXYY8=; b=Boy63i1qpGgOm0rPIKOHlFR1n2jlCGnXcZfG0oDQxT3MuN3vjNP9jTqC 5/HhFviImC/lgEr91+RICIUY7z1T82omT8c8GxuxP8V2jXsSrhDkaaHMB CPJi+QVVZMky5z/2GMcx1k5fnIjaSTFk1Rxi0AQOuFex2m3wuLigvLMoV +mv9hjM7CKk+HeFt72k6GyLRjkutugpsXtJg1XQ4iQ+dT2fz4TvKLd/QD lmx7W/9/s8e03OJ2x6xBB14UUi7+htnZhnge+FdBARUYkTLBwkCTDdefo tYL7i3YHQUbGb6j1AdONwQun91x03EdEY9AUg3O6m5gsQukG7CZvCJHZ5 w==; X-CSE-ConnectionGUID: EdXFZyovR46plp/0XPNjoA== X-CSE-MsgGUID: SYzvvdgMQlqHouNjbxKk7Q== X-IronPort-AV: E=McAfee;i="6600,9927,11092"; a="25384991" X-IronPort-AV: E=Sophos;i="6.08,212,1712646000"; d="scan'208";a="25384991" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2024 18:54:34 -0700 X-CSE-ConnectionGUID: z1Bd9oYQTbCgJn8uWSeXAQ== X-CSE-MsgGUID: gJw4bU42SyyJ0W4xw8ZCEg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,212,1712646000"; d="scan'208";a="37661869" Received: from unknown (HELO allen-box.sh.intel.com) ([10.239.159.127]) by orviesa008.jf.intel.com with ESMTP; 03 Jun 2024 18:54:30 -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 v2 08/22] gpu: host1x: Use iommu_paging_domain_alloc() Date: Tue, 4 Jun 2024 09:51:20 +0800 Message-Id: <20240604015134.164206-9-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240604015134.164206-1-baolu.lu@linux.intel.com> References: <20240604015134.164206-1-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 | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 3a0aaa68ac8d..f86a6b12f24a 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -404,9 +404,10 @@ 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); + host->domain = NULL; goto put_cache; }