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: 819044 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD82514C5BA; Mon, 12 Aug 2024 07:14:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723446854; cv=none; b=tczw5ZT99zaEdfS2l9xrA1oEl4EcPvN09x4XBmBAHpSLxnM6x9+wL6fBUkRbfBlWZGYauEstQHmieSvim3TqFMC8I+qpCB0BuPZNLpOev2YeQcn3Uet83Z5uhISDN1m+L8d9ESp2UNP1qjvQCArn5fPYJvD0sx8TeDyOkEJaI6A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723446854; c=relaxed/simple; bh=2W/be8VISRZC7fVoJ9VGu3iMrIsNaD0YF4i34a1dFE4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Hi1jiEp482Y8fczYkru+oS53uT45E9M0clsiPrzeHgcB9Zv9Md52v8KcEGcC5NUFvM0loIA9M14dYhijbEQdfz82dS3/jBF+BVbin9VM/6l7vkgDHyaZwpp4pPfeuBmM3K/0inovoLjBYCXRHdPI4Nx7KT5B2UOB1VYLbasMIQM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=R56Zd5iG; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="R56Zd5iG" 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: BrTaaed6Sm6RLhOkk3hKHA== X-CSE-MsgGUID: 4oz61V0CSPK3EtY/FlRQ3g== X-IronPort-AV: E=McAfee;i="6700,10204,11161"; a="21711537" X-IronPort-AV: E=Sophos;i="6.09,282,1716274800"; d="scan'208";a="21711537" 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 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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; /*