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X-CSE-ConnectionGUID: 1BJaNdToR+iVtroWol5jiQ== X-CSE-MsgGUID: nBpLX0FASVu0SJMeXo/FCA== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="59531463" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="59531463" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2025 14:09:09 -0700 X-CSE-ConnectionGUID: VOWIU12ASdy49fjY+iID5g== X-CSE-MsgGUID: 1Ts5C591QMqIbNOwjdMlSQ== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 114d98da2b6c) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 05 Sep 2025 14:09:05 -0700 Received: from kbuild by 114d98da2b6c with local (Exim 4.96) (envelope-from ) id 1uudg7-0000rF-1I; Fri, 05 Sep 2025 21:09:03 +0000 Date: Sat, 6 Sep 2025 05:08:40 +0800 From: kernel test robot To: Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Baryshkov Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Liu Ying Subject: Re: [PATCH] drm/bridge: ite-it6263: Support HDMI vendor specific infoframe Message-ID: <202509060412.LmXs40Rg-lkp@intel.com> References: <20250904-it6263-vendor-specific-infoframe-v1-1-6efe6545b634@nxp.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250904-it6263-vendor-specific-infoframe-v1-1-6efe6545b634@nxp.com> Hi Liu, kernel test robot noticed the following build warnings: [auto build test WARNING on 4ac65880ebca1b68495bd8704263b26c050ac010] url: https://github.com/intel-lab-lkp/linux/commits/Liu-Ying/drm-bridge-ite-it6263-Support-HDMI-vendor-specific-infoframe/20250904-171143 base: 4ac65880ebca1b68495bd8704263b26c050ac010 patch link: https://lore.kernel.org/r/20250904-it6263-vendor-specific-infoframe-v1-1-6efe6545b634%40nxp.com patch subject: [PATCH] drm/bridge: ite-it6263: Support HDMI vendor specific infoframe config: i386-buildonly-randconfig-001-20250906 (https://download.01.org/0day-ci/archive/20250906/202509060412.LmXs40Rg-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250906/202509060412.LmXs40Rg-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/202509060412.LmXs40Rg-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/bridge/ite-it6263.c:810:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 810 | const char zero_bulk[HDMI_PKT_HB_PB_CHUNK_SIZE] = { }; | ^ 1 warning generated. vim +810 drivers/gpu/drm/bridge/ite-it6263.c 782 783 static int it6263_hdmi_write_infoframe(struct drm_bridge *bridge, 784 enum hdmi_infoframe_type type, 785 const u8 *buffer, size_t len) 786 { 787 struct it6263 *it = bridge_to_it6263(bridge); 788 struct regmap *regmap = it->hdmi_regmap; 789 790 switch (type) { 791 case HDMI_INFOFRAME_TYPE_AVI: 792 /* write the first AVI infoframe data byte chunk(DB1-DB5) */ 793 regmap_bulk_write(regmap, HDMI_REG_AVI_DB1, 794 &buffer[HDMI_INFOFRAME_HEADER_SIZE], 795 HDMI_AVI_DB_CHUNK1_SIZE); 796 797 /* write the second AVI infoframe data byte chunk(DB6-DB13) */ 798 regmap_bulk_write(regmap, HDMI_REG_AVI_DB6, 799 &buffer[HDMI_INFOFRAME_HEADER_SIZE + 800 HDMI_AVI_DB_CHUNK1_SIZE], 801 HDMI_AVI_DB_CHUNK2_SIZE); 802 803 /* write checksum */ 804 regmap_write(regmap, HDMI_REG_AVI_CSUM, buffer[3]); 805 806 regmap_write(regmap, HDMI_REG_AVI_INFOFRM_CTRL, 807 ENABLE_PKT | REPEAT_PKT); 808 break; 809 case HDMI_INFOFRAME_TYPE_VENDOR: > 810 const char zero_bulk[HDMI_PKT_HB_PB_CHUNK_SIZE] = { }; 811 812 /* clear NULL packet registers due to undefined default value */ 813 regmap_bulk_write(regmap, HDMI_REG_PKT_HB(0), 814 zero_bulk, sizeof(zero_bulk)); 815 816 /* write header and payload */ 817 regmap_bulk_write(regmap, HDMI_REG_PKT_HB(0), buffer, len); 818 819 regmap_write(regmap, HDMI_REG_PKT_NULL_CTRL, 820 ENABLE_PKT | REPEAT_PKT); 821 break; 822 default: 823 dev_dbg(it->dev, "unsupported HDMI infoframe 0x%x\n", type); 824 } 825 826 return 0; 827 } 828 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki