From mboxrd@z Thu Jan 1 00:00:00 1970 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 32DACC3DA41 for ; Mon, 8 Jul 2024 20:21:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB92F10E40F; Mon, 8 Jul 2024 20:21:11 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="B6VeziQo"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8670C10E3FC for ; Mon, 8 Jul 2024 20:21:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1720470070; x=1752006070; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=6S4UHLCmYIvtYGL6XwSCQxayNj1pquSu1EAMKX+i35I=; b=B6VeziQo5ov28ZPX8ZDAf7K0oHfyY/n8yudJ+AJYTT4AAfDrDjgW61ft 7hqUjJygygBz6ZKTr5UUwwRssRgzzLxZsZ6clui+mB29y+xUNOIU1qSBQ uPGCoKJNq5qngk/BGxppi1NPvAU0THyBxWmnlUyJcxx9BMv5YHHxXHLhS vAKS4pCI6gqSu6EoCU7ovhAcpWfB//l/LhPkuUEiRf5o9VLRo7pGcVFaT +cgd+Y6jOGsfOkRyGE3fRqGhJh7lUDjHT/mMHkq5mvDfjHrD39eFEmrO2 5XY7xfA0QOJ1kHPWBk4RHQ7E/+DJW2wtePHpW/+kBpKN4FeWDNng7QBCu Q==; X-CSE-ConnectionGUID: t0H2+b6ASp6S8iRJ3Qvs5g== X-CSE-MsgGUID: 30xopJ/vRlyNOVbbHz/YEg== X-IronPort-AV: E=McAfee;i="6700,10204,11127"; a="43114142" X-IronPort-AV: E=Sophos;i="6.09,192,1716274800"; d="scan'208";a="43114142" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2024 13:21:08 -0700 X-CSE-ConnectionGUID: /M2yzORPSyOQzHAMj2jmtA== X-CSE-MsgGUID: soQRoKMWRwKCSxxy8X1klQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,192,1716274800"; d="scan'208";a="47495009" Received: from unerlige-desk.jf.intel.com ([10.165.21.199]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2024 13:21:08 -0700 From: Umesh Nerlige Ramappa To: intel-xe@lists.freedesktop.org, matthew.brost@intel.com, lucas.demarchi@intel.com Subject: [PATCH 4/5] drm/xe: Take a ref to xe file when user creates a VM Date: Mon, 8 Jul 2024 13:21:02 -0700 Message-Id: <20240708202103.3347869-5-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20240708202103.3347869-1-umesh.nerlige.ramappa@intel.com> References: <20240708202103.3347869-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Take a reference to xef when user creates the VM and put the reference when user destroys the VM. Signed-off-by: Umesh Nerlige Ramappa --- drivers/gpu/drm/xe/xe_vm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 0c764647a552..67b4c2467b78 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -1611,6 +1611,9 @@ static void vm_destroy_work_func(struct work_struct *w) XE_WARN_ON(vm->pt_root[id]); trace_xe_vm_free(vm); + + if (vm->xef) + xe_file_put(vm->xef); kfree(vm); } @@ -1926,7 +1929,7 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data, } args->vm_id = id; - vm->xef = xef; + vm->xef = xe_file_get(xef); /* Record BO memory for VM pagetable created against client */ for_each_tile(tile, xe, id) -- 2.38.1