From patchwork Mon Jun 10 08:55:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13691698 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 AF809C27C75 for ; Mon, 10 Jun 2024 08:58:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B23DC10E396; Mon, 10 Jun 2024 08:58:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GrvelJR8"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 02A5710E396 for ; Mon, 10 Jun 2024 08:58:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718009933; x=1749545933; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3intrfdlq62sPZGdllNzLo1Ahf/WR8/6yPI2eqBXYY8=; b=GrvelJR8lc4v8Nby6CPs0NUw/nHUGoklKtcPbh4bQaS89AUi+nUodsfU 7d7xiW1IQux0rqGb9K/kyFuo3azx3weZFz4TZxAX28vBstTDtbBEmGbLf QZHr7nt28h+T7y+hp26VqvEl5xYWzQkab+ctu16ighOS4koaNfp604siz SpN6gWZr7oCfIWcrZvql8JSpb+LNM6JMps0xEyxGeUJq1A6nv+Ryl864+ j1e0YaTXcPL7vkzZq0Z3HorxvsR29WFUgjZpWcZuepAsX5gkFV/cv4dLB Xo5maXEGGU+Wo/Hs3nOna1PcxAcuDEoacoEbi5p4rtgpjeJqMvWYEqZ8L g==; X-CSE-ConnectionGUID: opHF0Y2uQGO3zsZnxVIGnw== X-CSE-MsgGUID: Y+d4GYWoSWS5axUPwFO4+w== X-IronPort-AV: E=McAfee;i="6600,9927,11098"; a="17581631" X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="17581631" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2024 01:58:52 -0700 X-CSE-ConnectionGUID: Ilzg052XTkGNg5Xl4jMrRA== X-CSE-MsgGUID: 2uqmD9gJTn61hulUVOHf8A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="43432549" Received: from unknown (HELO allen-box.sh.intel.com) ([10.239.159.127]) by fmviesa003.fm.intel.com with ESMTP; 10 Jun 2024 01:58:48 -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 , Jeff Johnson , ath10k@lists.infradead.org, ath11k@lists.infradead.org, iommu@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v3 07/21] gpu: host1x: Use iommu_paging_domain_alloc() Date: Mon, 10 Jun 2024 16:55:41 +0800 Message-Id: <20240610085555.88197-8-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240610085555.88197-1-baolu.lu@linux.intel.com> References: <20240610085555.88197-1-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 Reviewed-by: Jason Gunthorpe --- 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; }