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X-CSE-ConnectionGUID: 2thmUXdfQVyHQuR1oI0Tag== X-CSE-MsgGUID: UJjMZL3PRWOS4VFCaeETeg== X-IronPort-AV: E=McAfee;i="6800,10657,11520"; a="82824486" X-IronPort-AV: E=Sophos;i="6.17,285,1747724400"; d="scan'208";a="82824486" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2025 07:20:01 -0700 X-CSE-ConnectionGUID: q2VYw8xXRqa9alBRb1iH+g== X-CSE-MsgGUID: ljb97+VGR6qDujtr19yjgA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,285,1747724400"; d="scan'208";a="166857027" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by fmviesa009.fm.intel.com with ESMTP; 13 Aug 2025 07:20:00 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1umCK5-0009yo-1I; Wed, 13 Aug 2025 14:19:31 +0000 Date: Wed, 13 Aug 2025 22:18:39 +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_dp_v2.c:3140:6: warning: no previous prototype for 'mtk_mt8189_dp_phy_set_param_v2' Message-ID: <202508132240.DpnF1cCE-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: 4f86e88a0ffae9bb2d46965fad019e9bcedbeccc [354/354] CHROMIUM: drm/mediatek: mt8189: porting driver for dptx config: arm-randconfig-002-20250813 (https://download.01.org/0day-ci/archive/20250813/202508132240.DpnF1cCE-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/20250813/202508132240.DpnF1cCE-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/202508132240.DpnF1cCE-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/mediatek/mtk_dp_v2.c:2530:6: warning: no previous prototype for 'mtk_dp_dsc_support_v2' [-Wmissing-prototypes] void mtk_dp_dsc_support_v2(struct mtk_dp *mtk_dp) ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2538:6: warning: no previous prototype for 'mtk_dp_dsc_enable_v2' [-Wmissing-prototypes] void mtk_dp_dsc_enable_v2(struct mtk_dp *mtk_dp, const enum dp_encoder_id encoder_id) ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2568:6: warning: no previous prototype for 'mtk_dp_dsc_disable_v2' [-Wmissing-prototypes] void mtk_dp_dsc_disable_v2(struct mtk_dp *mtk_dp, const enum dp_encoder_id encoder_id) ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2598:6: warning: no previous prototype for 'mtk_dp_set_chunk_size_v2' [-Wmissing-prototypes] void mtk_dp_set_chunk_size_v2(struct mtk_dp *mtk_dp, const enum dp_encoder_id encoder_id, ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2617:6: warning: no previous prototype for 'mtk_dp_dsc_set_param_v2' [-Wmissing-prototypes] void mtk_dp_dsc_set_param_v2(struct mtk_dp *mtk_dp, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2643:6: warning: no previous prototype for 'mtk_dp_dsc_set_pps_v2' [-Wmissing-prototypes] void mtk_dp_dsc_set_pps_v2(struct mtk_dp *mtk_dp, ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2663:6: warning: no previous prototype for 'mtk_dp_dsc_pps_send_v2' [-Wmissing-prototypes] void mtk_dp_dsc_pps_send_v2(struct mtk_dp *mtk_dp, const enum dp_encoder_id encoder_id) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:2669:6: warning: no previous prototype for 'mtk_dp_dsc_parse_pps_param_v2' [-Wmissing-prototypes] void mtk_dp_dsc_parse_pps_param_v2(struct mtk_dp *mtk_dp, const enum dp_encoder_id encoder_id, u8 *pps) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:3078:6: warning: no previous prototype for 'mtk_dp_phy_flip_enable_v2' [-Wmissing-prototypes] void mtk_dp_phy_flip_enable_v2(struct mtk_dp *mtk_dp) ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:3096:6: warning: no previous prototype for 'mtk_dp_phy_flip_disable_v2' [-Wmissing-prototypes] void mtk_dp_phy_flip_disable_v2(struct mtk_dp *mtk_dp) ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/mediatek/mtk_dp_v2.c:3140:6: warning: no previous prototype for 'mtk_mt8189_dp_phy_set_param_v2' [-Wmissing-prototypes] void mtk_mt8189_dp_phy_set_param_v2(struct mtk_dp *mtk_dp) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c: In function 'mtk_dp_video_config_v2': drivers/gpu/drm/mediatek/mtk_dp_v2.c:3713:5: warning: variable 'data' set but not used [-Wunused-but-set-variable] u8 data; ^~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c: At top level: drivers/gpu/drm/mediatek/mtk_dp_v2.c:4391:6: warning: no previous prototype for 'mtk_dp_hdcp_atomic_check' [-Wmissing-prototypes] void mtk_dp_hdcp_atomic_check(struct mtk_dp *mtk_dp, enum dp_encoder_id id, ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:4705:11: warning: initialized field overwritten [-Woverride-init] .reset = drm_atomic_helper_connector_reset, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp_v2.c:4705:11: note: (near initialization for 'mtk_dp_con_funcs.reset') vim +/mtk_mt8189_dp_phy_set_param_v2 +3140 drivers/gpu/drm/mediatek/mtk_dp_v2.c 3139 > 3140 void mtk_mt8189_dp_phy_set_param_v2(struct mtk_dp *mtk_dp) 3141 { 3142 int i; 3143 3144 PHY_WRITE_4BYTE(mtk_dp, 3145 mtk_dp->data->phyd_ana_glb_offset 3146 + DP_PHY_GLB_FORCE_CTRL_00, 3147 mtk_dp->data->patch_phy_settings[0]); 3148 3149 for (i = 0; i < 4; i++) { 3150 PHY_WRITE_4BYTE(mtk_dp, 3151 mtk_dp->data->phyd_ana_lan_offset[i] 3152 + DP_PHY_LANE_TX_2, 3153 mtk_dp->data->patch_phy_settings[1]); 3154 } 3155 3156 PHY_WRITE_4BYTE(mtk_dp, 3157 mtk_dp->data->phyd_dig_glb_offset 3158 + DP_PHY_DIG_GLB_DA_REG_00, 3159 mtk_dp->data->patch_phy_settings[2]); 3160 PHY_WRITE_4BYTE(mtk_dp, 3161 mtk_dp->data->phyd_dig_glb_offset 3162 + DP_PHY_DIG_GLB_DA_REG_01, 3163 mtk_dp->data->patch_phy_settings[3]); 3164 PHY_WRITE_4BYTE(mtk_dp, 3165 mtk_dp->data->phyd_dig_glb_offset 3166 + DP_PHY_DIG_GLB_DA_REG_02, 3167 mtk_dp->data->patch_phy_settings[4]); 3168 PHY_WRITE_4BYTE(mtk_dp, 3169 mtk_dp->data->phyd_dig_glb_offset 3170 + DP_PHY_DIG_GLB_DA_REG_03, 3171 mtk_dp->data->patch_phy_settings[5]); 3172 3173 for (i = 0; i < 4; i++) { 3174 PHY_WRITE_4BYTE(mtk_dp, 3175 mtk_dp->data->phyd_dig_lan_offset[i] + DRIVING_PARAM_3, 3176 mtk_dp->data->txfir_settings[0]); 3177 PHY_WRITE_4BYTE(mtk_dp, 3178 mtk_dp->data->phyd_dig_lan_offset[i] + DRIVING_PARAM_4, 3179 mtk_dp->data->txfir_settings[1]); 3180 PHY_WRITE_4BYTE(mtk_dp, 3181 mtk_dp->data->phyd_dig_lan_offset[i] + DRIVING_PARAM_5, 3182 mtk_dp->data->txfir_settings[2]); 3183 PHY_WRITE_4BYTE(mtk_dp, 3184 mtk_dp->data->phyd_dig_lan_offset[i] + DRIVING_PARAM_6, 3185 mtk_dp->data->txfir_settings[3]); 3186 PHY_WRITE_4BYTE(mtk_dp, 3187 mtk_dp->data->phyd_dig_lan_offset[i] + DRIVING_PARAM_7, 3188 mtk_dp->data->txfir_settings[4]); 3189 PHY_WRITE_4BYTE(mtk_dp, 3190 mtk_dp->data->phyd_dig_lan_offset[i] + DRIVING_PARAM_8, 3191 mtk_dp->data->txfir_settings[5]); 3192 } 3193 } 3194 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki