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 15270C3DA49 for ; Thu, 18 Jul 2024 20:32:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D7AC410EB09; Thu, 18 Jul 2024 20:32:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="R/w+HPcT"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 11D1910EB07 for ; Thu, 18 Jul 2024 20:31:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721334718; x=1752870718; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=DtdfRjhpfs46Vsn2bp6+zoye8ee9u37VOWrhpstNCIE=; b=R/w+HPcTCLf7/frZBvxaOErNIIUJgUXBhoTWFGYYFXElEkucLT9g5hDH Ww10ioNkz05cR+UjjqKOSVYTS2mugLX2VSBP1/hm3GST407QcNxCtc1FB Zaw2MO/x6Z2pepA4AZH2hLiYAoCxgMDT6FKrPlDX30MRmW5Rs492jB63s +rzlKDOrtWq86jHdb7W20QL78RI8I+skcrMUIqqX7Fi4lzI2VzjxuQTOC Ajah53jDFEbBaLd4xP0+CvIGxRLhXkxfn6RIv8cpPbkflHK7zEL90u2V9 U926Vyv4uJkGzRS9HHiBh11pEr+vqtfftLaAoyiO2+JZ2mXKm4rOlIDwL A==; X-CSE-ConnectionGUID: tC+mCK0mTRydLrfiBdBOUw== X-CSE-MsgGUID: CfUyzJDwQzyTzUvFuN2bKw== X-IronPort-AV: E=McAfee;i="6700,10204,11137"; a="19059946" X-IronPort-AV: E=Sophos;i="6.09,218,1716274800"; d="scan'208";a="19059946" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2024 13:31:57 -0700 X-CSE-ConnectionGUID: w/Q3y2oVQpq7q3BzxvP+iA== X-CSE-MsgGUID: WEBngpLKQmir4XZ82U2+ug== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,218,1716274800"; d="scan'208";a="81520624" Received: from unerlige-desk.jf.intel.com ([10.165.21.199]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2024 13:31:57 -0700 From: Umesh Nerlige Ramappa To: intel-xe@lists.freedesktop.org Subject: [PATCH v3 3/4] drm/xe: Take a ref to xe file when user creates a VM Date: Thu, 18 Jul 2024 13:31:51 -0700 Message-Id: <20240718203152.3566929-4-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20240718203152.3566929-1-umesh.nerlige.ramappa@intel.com> References: <20240718203152.3566929-1-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 Reviewed-by: Lucas De Marchi --- 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