From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 2E22120E0 for ; Wed, 4 May 2022 01:53:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651629216; x=1683165216; h=date:from:to:cc:subject:message-id:mime-version; bh=JDxQddswnaAtAEe6Yd2ih6qHUHQiMwv8N9U0jVI8plg=; b=Y5jwJTd88C1+QjtWhEhGUXyA1vsSzJfUbOwpBpWyMQxl/lO2l/J22dbv qJd7Oy0GKHI8eMwfWnEPAgNKgcO5wLTxdljm/XCIGBxBPcYBs5+tPAHer dba+DXxqw+Qpj4AD+wIGpVJuaTmtUWd2XTHCx/JgJYYOjuwJ9l5TOVLBv CB/5WUd2Z+qc7S8FcVSecqZHlrErzbu/6ZWWUfycY4AByZPnjZSoUIkQh H+aeGaFXLXLE59uehXEwFAgQkh2K2I7ZLINjwYNspyzeUZDPF8QSzpwjJ SPcBBdKloTI84pPyud/BSIHae9pz7j/PUPSM0CNIeHUgYhP1m1a9BwVF2 w==; X-IronPort-AV: E=McAfee;i="6400,9594,10336"; a="354076348" X-IronPort-AV: E=Sophos;i="5.91,196,1647327600"; d="scan'208";a="354076348" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 May 2022 18:53:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,196,1647327600"; d="scan'208";a="734182002" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 03 May 2022 18:53:33 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1nm4Cr-000AxP-98; Wed, 04 May 2022 01:53:33 +0000 Date: Wed, 4 May 2022 09:52:34 +0800 From: kernel test robot To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [vsyrjala:crtc_clock_compute_8 10/26] drivers/gpu/drm/i915/display/intel_ddi.c:325:5: warning: no previous prototype for function 'intel_crtc_dotclock' Message-ID: <202205040931.3Rt8hNR2-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@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://github.com/vsyrjala/linux.git crtc_clock_compute_8 head: aee27a93a2e9c552d016d4eadaff5aa87dccce13 commit: eb839775996f072098b810f91bc34757d1ea008e [10/26] drm/i915: Extract intel_crtc_dotclock() config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220504/202205040931.3Rt8hNR2-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 363b3a645a1e30011cc8da624f13dac5fd915628) 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/vsyrjala/linux/commit/eb839775996f072098b810f91bc34757d1ea008e git remote add vsyrjala https://github.com/vsyrjala/linux.git git fetch --no-tags vsyrjala crtc_clock_compute_8 git checkout eb839775996f072098b810f91bc34757d1ea008e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/ 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/i915/display/intel_ddi.c:325:5: warning: no previous prototype for function 'intel_crtc_dotclock' [-Wmissing-prototypes] int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config) ^ drivers/gpu/drm/i915/display/intel_ddi.c:325:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config) ^ static 1 warning generated. vim +/intel_crtc_dotclock +325 drivers/gpu/drm/i915/display/intel_ddi.c 324 > 325 int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config) 326 { 327 int dotclock; 328 329 if (intel_crtc_has_dp_encoder(pipe_config)) 330 dotclock = intel_dotclock_calculate(pipe_config->port_clock, 331 &pipe_config->dp_m_n); 332 else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24) 333 dotclock = pipe_config->port_clock * 24 / pipe_config->pipe_bpp; 334 else 335 dotclock = pipe_config->port_clock; 336 337 if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 && 338 !intel_crtc_has_dp_encoder(pipe_config)) 339 dotclock *= 2; 340 341 if (pipe_config->pixel_multiplier) 342 dotclock /= pipe_config->pixel_multiplier; 343 344 return dotclock; 345 } 346 -- 0-DAY CI Kernel Test Service https://01.org/lkp