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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 31547CA9ED0 for ; Sun, 3 Nov 2019 07:51:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 11ABE20848 for ; Sun, 3 Nov 2019 07:51:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727448AbfKCHv0 (ORCPT ); Sun, 3 Nov 2019 02:51:26 -0500 Received: from mga05.intel.com ([192.55.52.43]:51508 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726558AbfKCHv0 (ORCPT ); Sun, 3 Nov 2019 02:51:26 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Nov 2019 00:51:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,262,1569308400"; d="scan'208";a="352542670" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 03 Nov 2019 00:51:24 -0700 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1iRAfT-000DzM-E7; Sun, 03 Nov 2019 15:51:23 +0800 Date: Sun, 3 Nov 2019 15:51:00 +0800 From: kbuild test robot To: allen Cc: kbuild-all@lists.01.org, Allen Chen , Pi-Hsun Shih , Jau-Chih Tseng , Maarten Lankhorst , Maxime Ripard , Sean Paul , David Airlie , "open list:DRM DRIVERS" , open list Subject: Re: [PATCH] drm/edid: fixup EDID 1.3 and 1.4 judge reduced-blanking timings logic Message-ID: <201911031510.4s2wqcIN%lkp@intel.com> References: <1572595463-30970-1-git-send-email-allen.chen@ite.com.tw> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1572595463-30970-1-git-send-email-allen.chen@ite.com.tw> X-Patchwork-Hint: ignore User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi allen, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.4-rc5 next-20191031] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/allen/drm-edid-fixup-EDID-1-3-and-1-4-judge-reduced-blanking-timings-logic/20191102-200357 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1204c70d9dcba31164f78ad5d8c88c42335d51f8 If you fix the issue, kindly add following tag Reported-by: kbuild test robot smatch warnings: drivers/gpu/drm/drm_edid.c:2042 drm_monitor_supports_rb() warn: always true condition '(closure.support_rb >= 0) => (0-255 >= 0)' vim +2042 drivers/gpu/drm/drm_edid.c 2030 2031 /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */ 2032 static bool 2033 drm_monitor_supports_rb(struct edid *edid) 2034 { 2035 struct edid_support_rb_closure closure = { 2036 .edid = edid, 2037 .support_rb = -1, 2038 }; 2039 2040 if (edid->revision >= 4) { 2041 drm_for_each_detailed_block((u8 *)edid, is_rb, &closure); > 2042 if (closure.support_rb >= 0) 2043 return closure.support_rb; 2044 } 2045 2046 return true; 2047 } 2048 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation