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 19CD7C41513 for ; Tue, 9 Jul 2024 00:28:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D010710E440; Tue, 9 Jul 2024 00:28:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="mGIHvym+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 49B8B10E217 for ; Tue, 9 Jul 2024 00:28:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1720484920; x=1752020920; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=8skIYz5AoXJS+GGS5K/CEYRjOEzaUk6J2ZweYWje81E=; b=mGIHvym+NQ/+FcsFFPdf3TQheV6tvOTFhCDe9ggveDuxPhJSYkDR7lN0 kqu6HI98SlsrfRqPxndzIxayfy+YPoajhl+V533+LfElmsZxow8pCQxy4 iVMtQrQkuaxIR57rPm6vW73EcdNvsG/752kUOTAnlW5l1EZ4CYC9z0eR8 PJ5tziM/0ZK24mCYsAesm08D5Zq7u7ThhLbj8m+7kikiR5cKOX1cIeZgV 52KAInE6Io0w76GxFRkfype5brG9ZWnwHUPFusjgU6kMso6fX6lPOWmn8 AWcijzZY7tfkXlvrCkbTuWdFqNBun+xropI071Zj4yDAca6fjJcB+23/u g==; X-CSE-ConnectionGUID: lp0jj+zaR4iliQ2Hw+NWPw== X-CSE-MsgGUID: 5OUVN4wYTB2RDC4egGJa6g== X-IronPort-AV: E=McAfee;i="6700,10204,11127"; a="29105704" X-IronPort-AV: E=Sophos;i="6.09,193,1716274800"; d="scan'208";a="29105704" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2024 17:28:39 -0700 X-CSE-ConnectionGUID: rxeawpnWRMmr6vNkJ3zdQw== X-CSE-MsgGUID: Wn92HMdgQpyh7d9D8t0luA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,193,1716274800"; d="scan'208";a="47630951" Received: from unerlige-desk.jf.intel.com ([10.165.21.199]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2024 17:28:39 -0700 From: Umesh Nerlige Ramappa To: intel-xe@lists.freedesktop.org, matthew.brost@intel.com, lucas.demarchi@intel.com Subject: [PATCH v2 3/4] drm/xe: Take a ref to xe file when user creates a VM Date: Mon, 8 Jul 2024 17:28:34 -0700 Message-Id: <20240709002835.3372618-4-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20240709002835.3372618-1-umesh.nerlige.ramappa@intel.com> References: <20240709002835.3372618-1-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 Reviewed-by: Matthew Brost --- drivers/gpu/drm/xe/xe_vm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index cf3aea5d8cdc..6adb0ff09d40 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -1670,6 +1670,10 @@ 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); } @@ -1802,7 +1806,7 @@ 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