From patchwork Mon Aug 12 07:10:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13760247 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4336AC3DA7F for ; Mon, 12 Aug 2024 07:15:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=CzaUpIbkFttpPtoL0vBnZ+ZX9SLB1EieYZ6+i8MSlwA=; b=ojCjEHL62cFxE9S92GjDGr6MQ7 HLzXRqFGLsJXJgmcv9hNu6NDfITWpIreObKj7fADSwOoNK1jRjGX8vsHDLIJZGv00RfUoTKzCRv2H UZuJgpwlVK9pW5DECapWajCymaFGImw0IBl1JugfmLwcjnuMlNq9n9IWVykyiqADot4rAQjns5FtX /1Ce29rAuAw96j9MvKUAROMMFhybYALipPZMZgKsxh7wi6J+6ZQOw6PKNYs0TGUY/qGF1mcdG83zV R1hhONFjtsO8hYltlH4Abc/hgHoEiM5JJCD0RXDbiBzzGYPx1rIgLTxj1m6nvz7AapX6Hbm+FB0WH 4uKRtuyA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sdPGk-0000000H7x9-3iox; Mon, 12 Aug 2024 07:15:06 +0000 Received: from mgamail.intel.com ([192.198.163.14]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sdPFs-0000000H7fP-3gph; Mon, 12 Aug 2024 07:14:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723446853; x=1754982853; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=2W/be8VISRZC7fVoJ9VGu3iMrIsNaD0YF4i34a1dFE4=; b=R56Zd5iGKYcoDTzZpVbxZJRuAhRSHaMpGDDN01Na6WgPSaRoYAPmvlQZ hp1gmqFluhh4EgSio8eXNYSy0eViq1dCJVVZtI1/nRcdgSCj0PI7nxfSx OWGm8F0FXJ75cFLdtgPYzAYBFMqpA/tchRfDGGFrFFZnNVbUz8ls+SYqj F3k/pLWMgXCUgMAqF3i9p9nNTl8LM+NcK7daxTQVcmjceXMF6sFe8LzQT DClw8M4qlW6sWjY8xiy9fsyf2HuvMym+CdxLsX3I5fQsVCwq1jdzO2285 RWUtZRlRu1z5bbCRpTIKQSMYYPGiw7YGyujqKBTzZzbFK/t6NsBil4tY4 A==; X-CSE-ConnectionGUID: sYV1Eh00SBGcl2sZiZY2VQ== X-CSE-MsgGUID: pE2C/0BqRPm3Z67TMLVYUQ== X-IronPort-AV: E=McAfee;i="6700,10204,11161"; a="21711543" X-IronPort-AV: E=Sophos;i="6.09,282,1716274800"; d="scan'208";a="21711543" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Aug 2024 00:14:11 -0700 X-CSE-ConnectionGUID: OLEmc47wRB6veAq2mjcdLw== X-CSE-MsgGUID: r/FxCR4NT760l1EVOg/r5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,282,1716274800"; d="scan'208";a="57823793" Received: from allen-box.sh.intel.com ([10.239.159.127]) by fmviesa007.fm.intel.com with ESMTP; 12 Aug 2024 00:14:06 -0700 From: Lu Baolu To: Karol Herbst , Lyude Paul , Danilo Krummrich , David Airlie , Daniel Vetter , Thierry Reding , Jonathan Hunter , Sandy Huang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Mikko Perttunen , Joerg Roedel , Will Deacon , Robin Murphy , Jason Gunthorpe , Kevin Tian Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-media@vger.kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 1/3] drm/nouveau/tegra: Use iommu_paging_domain_alloc() Date: Mon, 12 Aug 2024 15:10:32 +0800 Message-Id: <20240812071034.9443-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240812_001412_962717_2283A593 X-CRM114-Status: GOOD ( 10.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Link: https://lore.kernel.org/r/20240610085555.88197-7-baolu.lu@linux.intel.com --- 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; /*