From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70EFD2EB5B4 for ; Wed, 13 Aug 2025 11:37:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755085059; cv=none; b=hSn5QvhadeQtRhUAKsu7gaUegkrQarCDIQJLuId+f04Js12/jaV8lQmro/6xVwowl/b1TZXdVr511i2RPbMtH1946J8ocKjJn4rlbRFbFP3OSga8e1SR662eE/gKuKV52xZgnjpWfXE3m+oQCbPqq/mVIWVm5ieEQhgT7vndEgY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755085059; c=relaxed/simple; bh=S6x6lsgO9kQRIeeOBI2GNDXwx2Wms3BCv3w14r1EfkQ=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=VNN6FQNsH0At/djcSiniL+CVKvIZOxzPeypDl9JJeUvPzLbHXGwm+Qml9XUI5wUB1qd9wkX47kLT1bBJSEl6Hke5XEO8S9C5h96hJxNazYFthoKXzUBiRtp2j4lPxSbojn8D/c0KPuK8MxHoA1NM9Wzmdyko9gM5eH6f2Bv9eFc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=P8a6Iwqc; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="P8a6Iwqc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1755085057; x=1786621057; h=date:from:to:cc:subject:message-id:mime-version; bh=S6x6lsgO9kQRIeeOBI2GNDXwx2Wms3BCv3w14r1EfkQ=; b=P8a6IwqcwpQVt4K24ZQ8hj3GTu8SBxnLleoY3UGMvT6N3llH5fCoxNOZ MkdTjPr457AIuxfGWegSxSNzDP7V45GJPyhgQZKbGwhfqo3VZlmsSbVs3 gxLp6WV8Itq1St4nY9PpE125mwmgCSh4f+uu2I9pHEtbrczONL5IbWaJx xzZke5umIPGTHUDhU00Pgwqqji+/A+qxK8yyCBqTDXPxDyRetC99tMwc9 sOGYdiHUcuq0eFAUhXTYjZDziTaJ5O5DKpxT5RHMKgKKoKqw0GG1UUiQ7 AWTG+3bfhNqG+tMhN1XI8YiPCsP3K8wLfOXwkjDQsPkxr0WpQCJrRofsw g==; X-CSE-ConnectionGUID: aBUPtiVbSauK0duq05oNVA== X-CSE-MsgGUID: Hb0awLfgS76TyQh25g8Uzw== X-IronPort-AV: E=McAfee;i="6800,10657,11520"; a="57440581" X-IronPort-AV: E=Sophos;i="6.17,285,1747724400"; d="scan'208";a="57440581" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2025 04:37:35 -0700 X-CSE-ConnectionGUID: tr3kufecShmcPkkN6rnKYw== X-CSE-MsgGUID: djuPOJuuQ3SLA4ot8BMJOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,285,1747724400"; d="scan'208";a="165632829" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by orviesa006.jf.intel.com with ESMTP; 13 Aug 2025 04:37:34 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1um9mu-0009po-1h; Wed, 13 Aug 2025 11:37:12 +0000 Date: Wed, 13 Aug 2025 19:36:38 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [chrome-os:chromeos-6.6 354/354] drivers/gpu/drm/mediatek/mtk_dvo.c:808:14: warning: no previous prototype for 'mtk_dvo_encoder_index' Message-ID: <202508131900.E41zdAa0-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-6.6 head: db867ccf596a910b85bab8c6052afe59fa921727 commit: 67be6bf2abc721aedffdc60f176b59c6374f712d [354/354] CHROMIUM: drm/mediatek: mt8189: mmsys driver probe config: arm-randconfig-002-20250813 (https://download.01.org/0day-ci/archive/20250813/202508131900.E41zdAa0-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250813/202508131900.E41zdAa0-lkp@intel.com/reproduce) 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/202508131900.E41zdAa0-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/mediatek/mtk_dvo.c:275:6: warning: no previous prototype for 'mtk_dvo_mutex_vsync_set' [-Wmissing-prototypes] void mtk_dvo_mutex_vsync_set(struct mtk_dvo *dvo) ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dvo.c: In function 'mtk_dvo_sodi_setting': drivers/gpu/drm/mediatek/mtk_dvo.c:302:6: warning: variable 'data_rate' set but not used [-Wunused-but-set-variable] u64 data_rate = 0; ^~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dvo.c: At top level: drivers/gpu/drm/mediatek/mtk_dvo.c:781:6: warning: no previous prototype for 'mtk_dvo_start' [-Wmissing-prototypes] void mtk_dvo_start(struct device *dev) ^~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dvo.c:788:6: warning: no previous prototype for 'mtk_dvo_stop' [-Wmissing-prototypes] void mtk_dvo_stop(struct device *dev) ^~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dvo.c:795:6: warning: no previous prototype for 'mtk_dvo_get_hrt_bw_by_datarate' [-Wmissing-prototypes] void mtk_dvo_get_hrt_bw_by_datarate(struct device *dev, unsigned int *bw_base) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/mediatek/mtk_dvo.c:808:14: warning: no previous prototype for 'mtk_dvo_encoder_index' [-Wmissing-prototypes] unsigned int mtk_dvo_encoder_index(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~ vim +/mtk_dvo_encoder_index +808 drivers/gpu/drm/mediatek/mtk_dvo.c 780 > 781 void mtk_dvo_start(struct device *dev) 782 { 783 struct mtk_dvo *dvo = dev_get_drvdata(dev); 784 785 mtk_dvo_power_on(dvo); 786 } 787 788 void mtk_dvo_stop(struct device *dev) 789 { 790 struct mtk_dvo *dvo = dev_get_drvdata(dev); 791 792 mtk_dvo_power_off(dvo); 793 } 794 795 void mtk_dvo_get_hrt_bw_by_datarate(struct device *dev, unsigned int *bw_base) 796 { 797 struct mtk_dvo *dvo = dev_get_drvdata(dev); 798 int htotal, vtotal, vrefresh; 799 800 htotal = dvo->mode.htotal; 801 vtotal = dvo->mode.vtotal; 802 vrefresh = drm_mode_vrefresh(&dvo->mode); 803 804 *bw_base = (unsigned int)div_u64((unsigned long long)vtotal * htotal * vrefresh * 4, 805 1000000); 806 } 807 > 808 unsigned int mtk_dvo_encoder_index(struct device *dev) 809 { 810 struct mtk_dvo *dvo = dev_get_drvdata(dev); 811 unsigned int encoder_index = drm_encoder_index(&dvo->encoder); 812 813 dev_dbg(dev, "encoder index:%d\n", encoder_index); 814 return encoder_index; 815 } 816 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki