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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7427EC433DB for ; Wed, 10 Feb 2021 19:20:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4698864DD8 for ; Wed, 10 Feb 2021 19:20:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234622AbhBJTUW (ORCPT ); Wed, 10 Feb 2021 14:20:22 -0500 Received: from mga17.intel.com ([192.55.52.151]:36813 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234541AbhBJTUN (ORCPT ); Wed, 10 Feb 2021 14:20:13 -0500 IronPort-SDR: l0e5rbCZPLaDzmXMNc5M1fJAgiVCbt7s6OIIMT7VlZKMCHvfqeDRvhoQj35pws+v4iQtTS8tUT 58HJw4Gc/Zwg== X-IronPort-AV: E=McAfee;i="6000,8403,9891"; a="161887925" X-IronPort-AV: E=Sophos;i="5.81,169,1610438400"; d="scan'208";a="161887925" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2021 11:19:50 -0800 IronPort-SDR: 0dffhSzRA77MMCeNSietWGZ0X0f7VfDjvonMrXOOoPODV79KYe3lcueWGES11+65DFPUm6H8kn OAvBSqYf2vgA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,169,1610438400"; d="scan'208";a="488844956" Received: from otc-chromeosbuild-1.jf.intel.com ([10.54.30.83]) by fmsmga001.fm.intel.com with ESMTP; 10 Feb 2021 11:19:50 -0800 From: Casey Bowman To: mika.westerberg@linux.intel.com Cc: dvhart@infradead.org, andy@infradead.org, azhar.shaikh@intel.com, casey.g.bowman@intel.com, lee.jones@linaro.org, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, heikki.krogerus@linux.intel.com Subject: [PATCH] platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds Date: Wed, 10 Feb 2021 11:20:41 -0800 Message-Id: <20210210192041.17022-1-casey.g.bowman@intel.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Increasing the virtual timeout time to account for scenarios that may require more time, like DisplayPort Multi-Stream Transport (DP MST), where the disconnect time can be extended longer than usual. The recommended timeout range is 5-10 seconds, of which we will take the lower bound. Signed-off-by: Casey Bowman Acked-by: Heikki Krogerus Acked-by: Mika Westerberg --- drivers/platform/x86/intel_scu_ipc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index d9cf7f7602b0..9171a46a9e3f 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -75,7 +75,7 @@ struct intel_scu_ipc_dev { #define IPC_READ_BUFFER 0x90 /* Timeout in jiffies */ -#define IPC_TIMEOUT (3 * HZ) +#define IPC_TIMEOUT (5 * HZ) static struct intel_scu_ipc_dev *ipcdev; /* Only one for now */ static DEFINE_MUTEX(ipclock); /* lock used to prevent multiple call to SCU */ -- 2.17.1