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: 13760236 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 6B5BFC52D7D for ; Mon, 12 Aug 2024 07:14:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 37BC910E0FB; Mon, 12 Aug 2024 07:14:14 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GPjmziXB"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id B2D8A10E0F0; Mon, 12 Aug 2024 07:14:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723446852; x=1754982852; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=2W/be8VISRZC7fVoJ9VGu3iMrIsNaD0YF4i34a1dFE4=; b=GPjmziXB1NrqTfKg1u3yS8LZRDAzB0DsKB1nVTtcOY/SJEyFO+dPjA45 lBgK7UwEvH4MS87HB3vtt6d/SGzepyLd6HNQ9ZHrkiWN1cDbnfUYrU3yN ijsUTkRpv+JEqZSheCy6xcMRjSzq+JFYCgB6kvTEMBIS8HLmZjqRyPADq j/WMDvS2L5qbrKp/Enp7+0e7rwmZWaO19zlCJWkZe28FEbhE472fAKQ78 R3paZHGznJDlttCqt1IUPmgm+jR795gmkbwqrmML6AYs3ggcZAMPQtsJl RB4I8eHYXq4hT5jrTKDwXl8jgGoPngSQfE/JguJCCCjRHofTVOZ7/bV1C Q==; X-CSE-ConnectionGUID: TrIaIapgTf+vWkyVpjhKrQ== X-CSE-MsgGUID: Tf8cL3yRS4WvPR8hmpqnYg== X-IronPort-AV: E=McAfee;i="6700,10204,11161"; a="21711541" X-IronPort-AV: E=Sophos;i="6.09,282,1716274800"; d="scan'208";a="21711541" 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-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 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; /*