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 EB9C7CF9C6F for ; Tue, 24 Sep 2024 11:02:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2679F10E6D6; Tue, 24 Sep 2024 11:02:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="OtNFncII"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8556C10E6D6 for ; Tue, 24 Sep 2024 11:02:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727175738; x=1758711738; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=r+j1MXTxZz2fTAivtAhGK1Hjd2mJcNatuBZE7WbDSz4=; b=OtNFncIIhB0rh8e6xlWW9o9MGsxocyb6vc+9HC01LxY0V8peEjyIV+CJ pXslMzKXPztuGPEZQSioJe/vE+p+sxnxWVUQRG1ympjU5SxKM20zNn1Bm rs7VmJFc/smO7guMt9nEI7txkDooz0oArJHCiZim/Cx6aooUdk8Q+w+oZ VAXCPlvlQ4WeEyk8slUFjqLLzw14EKTjdVdMkzSK5dmydFerBO6eB4dcb J1o4RY6w2vXqwxcuCSYbvB/wgiYeGmhoyWmxAghPJoURq03XgHklqNnnh /4hb7TMF//zxsMf6HIWOtgSRnhotRDiNFs+BeVz1bsVPOTqO1vPAJI7kJ A==; X-CSE-ConnectionGUID: PHbcrIrmQ6aXqHaVob5abw== X-CSE-MsgGUID: taXf4hYhQ7SjSACHcQSVxQ== X-IronPort-AV: E=McAfee;i="6700,10204,11204"; a="36748461" X-IronPort-AV: E=Sophos;i="6.10,254,1719903600"; d="scan'208";a="36748461" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2024 04:02:18 -0700 X-CSE-ConnectionGUID: WUmtV44ERIC2jdJW6RHO8Q== X-CSE-MsgGUID: TF58PbtjRFeBD/sXxqz0lg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,254,1719903600"; d="scan'208";a="71823482" Received: from lkp-server01.sh.intel.com (HELO 53e96f405c61) ([10.239.97.150]) by orviesa007.jf.intel.com with ESMTP; 24 Sep 2024 04:02:13 -0700 Received: from kbuild by 53e96f405c61 with local (Exim 4.96) (envelope-from ) id 1st3J5-000IFv-12; Tue, 24 Sep 2024 11:02:11 +0000 Date: Tue, 24 Sep 2024 19:01:12 +0800 From: kernel test robot To: Hermes Wu , Pin-yen Lin Cc: oe-kbuild-all@lists.linux.dev, Kenneth Hung , Hermes Wu , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , "open list:DRM DRIVERS" , open list Subject: Re: [PATCH v3 2/3] drm/bridge: it6505: HDCP CTS fail on repeater items Message-ID: <202409241856.OWgR1x3Y-lkp@intel.com> References: <20240923094826.13471-3-Hermes.Wu@ite.com.tw> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240923094826.13471-3-Hermes.Wu@ite.com.tw> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Hermes, kernel test robot noticed the following build warnings: [auto build test WARNING on drm/drm-next] [also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.11 next-20240923] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Hermes-Wu/drm-bridge-it6505-fix-AUX-read-use-aux-fifo/20240923-175041 base: git://anongit.freedesktop.org/drm/drm drm-next patch link: https://lore.kernel.org/r/20240923094826.13471-3-Hermes.Wu%40ite.com.tw patch subject: [PATCH v3 2/3] drm/bridge: it6505: HDCP CTS fail on repeater items config: nios2-randconfig-r073-20240924 (https://download.01.org/0day-ci/archive/20240924/202409241856.OWgR1x3Y-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 14.1.0 If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202409241856.OWgR1x3Y-lkp@intel.com/ smatch warnings: drivers/gpu/drm/bridge/ite-it6505.c:2027 it6505_setup_sha1_input() warn: inconsistent indenting vim +2027 drivers/gpu/drm/bridge/ite-it6505.c b5c84a9edcd418 Allen Chen 2022-01-14 1996 b5c84a9edcd418 Allen Chen 2022-01-14 1997 static int it6505_setup_sha1_input(struct it6505 *it6505, u8 *sha1_input) b5c84a9edcd418 Allen Chen 2022-01-14 1998 { d65feac281ab47 Pin-yen Lin 2023-07-18 1999 struct device *dev = it6505->dev; b5c84a9edcd418 Allen Chen 2022-01-14 2000 u8 binfo[2]; 9665163df60e16 Hermes Wu 2024-09-23 2001 int down_stream_count, err, msg_count = 0; b5c84a9edcd418 Allen Chen 2022-01-14 2002 b5c84a9edcd418 Allen Chen 2022-01-14 2003 err = it6505_get_dpcd(it6505, DP_AUX_HDCP_BINFO, binfo, b5c84a9edcd418 Allen Chen 2022-01-14 2004 ARRAY_SIZE(binfo)); b5c84a9edcd418 Allen Chen 2022-01-14 2005 b5c84a9edcd418 Allen Chen 2022-01-14 2006 if (err < 0) { b5c84a9edcd418 Allen Chen 2022-01-14 2007 dev_err(dev, "Read binfo value Fail"); b5c84a9edcd418 Allen Chen 2022-01-14 2008 return err; b5c84a9edcd418 Allen Chen 2022-01-14 2009 } b5c84a9edcd418 Allen Chen 2022-01-14 2010 b5c84a9edcd418 Allen Chen 2022-01-14 2011 down_stream_count = binfo[0] & 0x7F; b5c84a9edcd418 Allen Chen 2022-01-14 2012 DRM_DEV_DEBUG_DRIVER(dev, "binfo:0x%*ph", (int)ARRAY_SIZE(binfo), b5c84a9edcd418 Allen Chen 2022-01-14 2013 binfo); b5c84a9edcd418 Allen Chen 2022-01-14 2014 b5c84a9edcd418 Allen Chen 2022-01-14 2015 if ((binfo[0] & BIT(7)) || (binfo[1] & BIT(3))) { b5c84a9edcd418 Allen Chen 2022-01-14 2016 dev_err(dev, "HDCP max cascade device exceed"); b5c84a9edcd418 Allen Chen 2022-01-14 2017 return 0; b5c84a9edcd418 Allen Chen 2022-01-14 2018 } b5c84a9edcd418 Allen Chen 2022-01-14 2019 b5c84a9edcd418 Allen Chen 2022-01-14 2020 if (!down_stream_count || b5c84a9edcd418 Allen Chen 2022-01-14 2021 down_stream_count > MAX_HDCP_DOWN_STREAM_COUNT) { b5c84a9edcd418 Allen Chen 2022-01-14 2022 dev_err(dev, "HDCP down stream count Error %d", b5c84a9edcd418 Allen Chen 2022-01-14 2023 down_stream_count); b5c84a9edcd418 Allen Chen 2022-01-14 2024 return 0; b5c84a9edcd418 Allen Chen 2022-01-14 2025 } 9665163df60e16 Hermes Wu 2024-09-23 2026 err = it6505_get_ksvlist(it6505, sha1_input, down_stream_count * 5); b5c84a9edcd418 Allen Chen 2022-01-14 @2027 if (err < 0) b5c84a9edcd418 Allen Chen 2022-01-14 2028 return err; b5c84a9edcd418 Allen Chen 2022-01-14 2029 9665163df60e16 Hermes Wu 2024-09-23 2030 msg_count += down_stream_count * 5; b5c84a9edcd418 Allen Chen 2022-01-14 2031 b5c84a9edcd418 Allen Chen 2022-01-14 2032 it6505->hdcp_down_stream_count = down_stream_count; b5c84a9edcd418 Allen Chen 2022-01-14 2033 sha1_input[msg_count++] = binfo[0]; b5c84a9edcd418 Allen Chen 2022-01-14 2034 sha1_input[msg_count++] = binfo[1]; b5c84a9edcd418 Allen Chen 2022-01-14 2035 b5c84a9edcd418 Allen Chen 2022-01-14 2036 it6505_set_bits(it6505, REG_HDCP_CTRL2, HDCP_EN_M0_READ, b5c84a9edcd418 Allen Chen 2022-01-14 2037 HDCP_EN_M0_READ); b5c84a9edcd418 Allen Chen 2022-01-14 2038 b5c84a9edcd418 Allen Chen 2022-01-14 2039 err = regmap_bulk_read(it6505->regmap, REG_M0_0_7, b5c84a9edcd418 Allen Chen 2022-01-14 2040 sha1_input + msg_count, 8); b5c84a9edcd418 Allen Chen 2022-01-14 2041 b5c84a9edcd418 Allen Chen 2022-01-14 2042 it6505_set_bits(it6505, REG_HDCP_CTRL2, HDCP_EN_M0_READ, 0x00); b5c84a9edcd418 Allen Chen 2022-01-14 2043 b5c84a9edcd418 Allen Chen 2022-01-14 2044 if (err < 0) { b5c84a9edcd418 Allen Chen 2022-01-14 2045 dev_err(dev, " Warning, Read M value Fail"); b5c84a9edcd418 Allen Chen 2022-01-14 2046 return err; b5c84a9edcd418 Allen Chen 2022-01-14 2047 } b5c84a9edcd418 Allen Chen 2022-01-14 2048 b5c84a9edcd418 Allen Chen 2022-01-14 2049 msg_count += 8; b5c84a9edcd418 Allen Chen 2022-01-14 2050 b5c84a9edcd418 Allen Chen 2022-01-14 2051 return msg_count; b5c84a9edcd418 Allen Chen 2022-01-14 2052 } b5c84a9edcd418 Allen Chen 2022-01-14 2053 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki