Hi Kuogee, kernel test robot noticed the following build warnings: [auto build test WARNING on drm/drm-next] [also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes linus/master v6.6-rc1] [cannot apply to drm-misc/drm-misc-next drm-tip/drm-tip next-20230915] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Kuogee-Hsieh/drm-msm-dp-tie-dp_display_irq_handler-with-dp-driver/20230916-054014 base: git://anongit.freedesktop.org/drm/drm drm-next patch link: https://lore.kernel.org/r/1694813901-26952-5-git-send-email-quic_khsieh%40quicinc.com patch subject: [PATCH v3 4/7] drm/msm/dp: incorporate pm_runtime framework into DP driver config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230916/202309161321.UeiYRcIs-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230916/202309161321.UeiYRcIs-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/202309161321.UeiYRcIs-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/gpu/drm/msm/dp/dp_power.c: In function 'dp_power_client_deinit': >> drivers/gpu/drm/msm/dp/dp_power.c:160:34: warning: variable 'power' set but not used [-Wunused-but-set-variable] 160 | struct dp_power_private *power; | ^~~~~ drivers/gpu/drm/msm/dp/dp_power.c: In function 'dp_power_init': drivers/gpu/drm/msm/dp/dp_power.c:168:34: warning: variable 'power' set but not used [-Wunused-but-set-variable] 168 | struct dp_power_private *power = NULL; | ^~~~~ drivers/gpu/drm/msm/dp/dp_power.c: In function 'dp_power_deinit': drivers/gpu/drm/msm/dp/dp_power.c:179:34: warning: variable 'power' set but not used [-Wunused-but-set-variable] 179 | struct dp_power_private *power; | ^~~~~ vim +/power +160 drivers/gpu/drm/msm/dp/dp_power.c c943b4948b5848 Chandan Uddaraju 2020-08-27 157 c943b4948b5848 Chandan Uddaraju 2020-08-27 158 void dp_power_client_deinit(struct dp_power *dp_power) c943b4948b5848 Chandan Uddaraju 2020-08-27 159 { c943b4948b5848 Chandan Uddaraju 2020-08-27 @160 struct dp_power_private *power; c943b4948b5848 Chandan Uddaraju 2020-08-27 161 c943b4948b5848 Chandan Uddaraju 2020-08-27 162 power = container_of(dp_power, struct dp_power_private, dp_power); c943b4948b5848 Chandan Uddaraju 2020-08-27 163 } c943b4948b5848 Chandan Uddaraju 2020-08-27 164 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki