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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A113BC433EF for ; Fri, 22 Apr 2022 16:45:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1449884AbiDVQr6 (ORCPT ); Fri, 22 Apr 2022 12:47:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1449849AbiDVQrs (ORCPT ); Fri, 22 Apr 2022 12:47:48 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 069D63B0 for ; Fri, 22 Apr 2022 09:44:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650645893; x=1682181893; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=zbjMmz4IPxc1dkPAAWlkk3z02hRug2vjYO3ePBmaF+4=; b=ju/ddF6mF6mwUX6C958FHUceB30E97dYhHsmncgutqd59Ps82PYnmAIy tUBnSYB+th4Vix2Hw+Gfm20IqkwwhKwnyWgyXG6u/bPd+oEPrYKmANcQN xF940ekyMetAsMITKJ29Mku55pOEWMzNLVWv46CLUyMCApX4CcRsl7d42 Vd9d+v35Mdf9oviMc/xNLa7Ryn0hsZWm8bBa9gKPrzkLyz4+LDlq6qJ11 kYgE4L0p0QLpmGw2VE4xXUe5HdrWU7eM7G1pyfiigeO4OD4EQTFqOOOOw aiKlHPrrIwvwlwxqOdLPQkRvOqkCTZiqIKfeGJQC/L/QfQhfJhFDAQbea Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="246630496" X-IronPort-AV: E=Sophos;i="5.90,282,1643702400"; d="scan'208";a="246630496" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2022 09:44:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,282,1643702400"; d="scan'208";a="659101622" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 22 Apr 2022 09:44:50 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1nhwOn-000ALq-Aj; Fri, 22 Apr 2022 16:44:49 +0000 Date: Sat, 23 Apr 2022 00:43:49 +0800 From: kernel test robot To: Chenyang Li , Maxime Ripard , Maarten Lankhorst , Thomas Zimmermann , Dan Carpenter , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, devel@linuxdriverproject.org Cc: kbuild-all@lists.01.org, Yi Li , Huacai Chen , Sam Ravnborg , linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 2/4] drm/loongson: Add GPIO and I2C driver for loongson drm. Message-ID: <202204230046.2fBNTJrK-lkp@intel.com> References: <20220422081459.682700-1-lichenyang@loongson.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220422081459.682700-1-lichenyang@loongson.cn> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Chenyang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm/drm-next] [also build test WARNING on v5.18-rc3 next-20220422] [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] url: https://github.com/intel-lab-lkp/linux/commits/Chenyang-Li/drm-loongson-Add-DRM-Driver-for-Loongson-7A1000-bridge-chip/20220422-161914 base: git://anongit.freedesktop.org/drm/drm drm-next config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20220423/202204230046.2fBNTJrK-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/4a5b6ac99c37617e030a054ca431c5c9aab227b8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Chenyang-Li/drm-loongson-Add-DRM-Driver-for-Loongson-7A1000-bridge-chip/20220422-161914 git checkout 4a5b6ac99c37617e030a054ca431c5c9aab227b8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/loongson/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/gpu/drm/loongson/loongson_encoder.c:10:27: warning: no previous prototype for 'loongson_bridge_detect' [-Wmissing-prototypes] 10 | enum drm_connector_status loongson_bridge_detect(struct drm_bridge *bridge) | ^~~~~~~~~~~~~~~~~~~~~~ vim +/loongson_bridge_detect +10 drivers/gpu/drm/loongson/loongson_encoder.c 9 > 10 enum drm_connector_status loongson_bridge_detect(struct drm_bridge *bridge) 11 { 12 unsigned char start = 0x0; 13 struct i2c_msg msgs = { 14 .addr = DDC_ADDR, 15 .flags = 0, 16 .len = 1, 17 .buf = &start, 18 }; 19 20 if (i2c_transfer(bridge->ddc, &msgs, 1) != 1) 21 return connector_status_disconnected; 22 else 23 return connector_status_connected; 24 } 25 -- 0-DAY CI Kernel Test Service https://01.org/lkp