Hi Dmitry, kernel test robot noticed the following build warnings: [auto build test WARNING on 74741a050b79d31d8d2eeee12c77736596d0a6b2] url: https://github.com/intel-lab-lkp/linux/commits/Dmitry-Baryshkov/drm-msm-dp-fix-msm_dp_utils_pack_sdp_header-interface/20241108-082302 base: 74741a050b79d31d8d2eeee12c77736596d0a6b2 patch link: https://lore.kernel.org/r/20241108-fd-dp-audio-fixup-v1-11-40c8eeb60cf5%40linaro.org patch subject: [PATCH 11/14] drm/msm/dp: move/inline audio related functions config: x86_64-buildonly-randconfig-002-20241108 (https://download.01.org/0day-ci/archive/20241108/202411081748.0PPL9MIj-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241108/202411081748.0PPL9MIj-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202411081748.0PPL9MIj-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/msm/dp/dp_audio.c:11: In file included from include/drm/display/drm_dp_helper.h:27: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/gpu/drm/msm/dp/dp_audio.c:213:5: warning: variable 'safe_to_exit_level' is uninitialized when used here [-Wuninitialized] 213 | safe_to_exit_level); | ^~~~~~~~~~~~~~~~~~ include/drm/drm_print.h:636:59: note: expanded from macro 'drm_dbg_dp' 636 | drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DP, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/drm/drm_print.h:540:39: note: expanded from macro 'drm_dev_dbg' 540 | __drm_dev_dbg(NULL, dev, cat, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ drivers/gpu/drm/msm/dp/dp_audio.c:198:24: note: initialize the variable 'safe_to_exit_level' to silence this warning 198 | u32 safe_to_exit_level, mainlink_levels; | ^ | = 0 2 warnings generated. vim +/safe_to_exit_level +213 drivers/gpu/drm/msm/dp/dp_audio.c d13e36d7d2227e Abhinav Kumar 2020-09-12 195 fb7d509b1710d1 Dmitry Baryshkov 2024-10-29 196 static void msm_dp_audio_safe_to_exit_level(struct msm_dp_audio_private *audio) d13e36d7d2227e Abhinav Kumar 2020-09-12 197 { 568837beeb38ef Dmitry Baryshkov 2024-11-08 198 u32 safe_to_exit_level, mainlink_levels; d13e36d7d2227e Abhinav Kumar 2020-09-12 199 fb7d509b1710d1 Dmitry Baryshkov 2024-10-29 200 switch (audio->msm_dp_audio.lane_count) { d13e36d7d2227e Abhinav Kumar 2020-09-12 201 case 1: d13e36d7d2227e Abhinav Kumar 2020-09-12 202 safe_to_exit_level = 14; d13e36d7d2227e Abhinav Kumar 2020-09-12 203 break; d13e36d7d2227e Abhinav Kumar 2020-09-12 204 case 2: d13e36d7d2227e Abhinav Kumar 2020-09-12 205 safe_to_exit_level = 8; d13e36d7d2227e Abhinav Kumar 2020-09-12 206 break; d13e36d7d2227e Abhinav Kumar 2020-09-12 207 case 4: d13e36d7d2227e Abhinav Kumar 2020-09-12 208 safe_to_exit_level = 5; d13e36d7d2227e Abhinav Kumar 2020-09-12 209 break; d13e36d7d2227e Abhinav Kumar 2020-09-12 210 default: 202aceac8bb3ae Kuogee Hsieh 2022-02-17 211 drm_dbg_dp(audio->drm_dev, 202aceac8bb3ae Kuogee Hsieh 2022-02-17 212 "setting the default safe_to_exit_level = %u\n", d13e36d7d2227e Abhinav Kumar 2020-09-12 @213 safe_to_exit_level); d13e36d7d2227e Abhinav Kumar 2020-09-12 214 safe_to_exit_level = 14; d13e36d7d2227e Abhinav Kumar 2020-09-12 215 break; d13e36d7d2227e Abhinav Kumar 2020-09-12 216 } d13e36d7d2227e Abhinav Kumar 2020-09-12 217 568837beeb38ef Dmitry Baryshkov 2024-11-08 218 mainlink_levels = msm_dp_read_link(audio->catalog, REG_DP_MAINLINK_LEVELS); 568837beeb38ef Dmitry Baryshkov 2024-11-08 219 mainlink_levels &= 0xFE0; 568837beeb38ef Dmitry Baryshkov 2024-11-08 220 mainlink_levels |= safe_to_exit_level; 568837beeb38ef Dmitry Baryshkov 2024-11-08 221 568837beeb38ef Dmitry Baryshkov 2024-11-08 222 drm_dbg_dp(audio->drm_dev, 568837beeb38ef Dmitry Baryshkov 2024-11-08 223 "mainlink_level = 0x%x, safe_to_exit_level = 0x%x\n", 568837beeb38ef Dmitry Baryshkov 2024-11-08 224 mainlink_levels, safe_to_exit_level); 568837beeb38ef Dmitry Baryshkov 2024-11-08 225 568837beeb38ef Dmitry Baryshkov 2024-11-08 226 msm_dp_write_link(audio->catalog, REG_DP_MAINLINK_LEVELS, mainlink_levels); d13e36d7d2227e Abhinav Kumar 2020-09-12 227 } d13e36d7d2227e Abhinav Kumar 2020-09-12 228 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
