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charset=us-ascii tree: https://github.com/intel-lab-lkp/linux/commits/Micha-Grzelak/drm-i915-bios-search-for-VBT-57-by-default/20260609-035533 head: 37e5f3711f75121bd6a54baa6a92299c51fc313c commit: 703adad1fcf91efe93f2e1bf885dd23d33cc642c drm/i915: override Snps's VS/PE when requested date: 3 days ago config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260611/202606111734.HRShsb0i-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project f43d6834093b19baf79beda8c0337ab020ac5f17) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260611/202606111734.HRShsb0i-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/202606111734.HRShsb0i-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_bios.c:3899:20: warning: variable 'vspeo' is uninitialized when used here [-Wuninitialized] 3899 | entries = (void *)vspeo->entries; | ^~~~~ drivers/gpu/drm/i915/display/intel_bios.c:3891:35: note: initialize the variable 'vspeo' to silence this warning 3891 | struct intel_ddi_buf_trans *vspeo; | ^ | = NULL 1 warning generated. vim +/vspeo +3899 drivers/gpu/drm/i915/display/intel_bios.c 3883 3884 const struct intel_ddi_buf_trans * 3885 intel_bios_get_c20_vspeo(const struct intel_bios_encoder_data *devdata, 3886 bool has_dp, bool is_uhbr) 3887 { 3888 struct intel_display *display; 3889 union intel_ddi_buf_trans_entry *entries; 3890 int num_columns, num_rows, level, idx; 3891 struct intel_ddi_buf_trans *vspeo; 3892 const u32 *tables; 3893 size_t offset = 0; 3894 3895 if (!validate_vspeo(devdata, has_dp)) 3896 return NULL; 3897 3898 display = devdata->display; > 3899 entries = (void *)vspeo->entries; 3900 tables = display->vbt.vspeo.tables; 3901 num_columns = display->vbt.vspeo.num_columns; 3902 num_rows = display->vbt.vspeo.num_rows; 3903 idx = is_uhbr ? 5 : 4; 3904 3905 offset += idx * num_rows * num_columns; 3906 3907 for (level = 0; level < num_rows; level++) { 3908 u32 vswing = tables[offset]; 3909 u32 pre_cursor = tables[offset + 1]; 3910 u32 post_cursor = tables[offset + 2]; 3911 3912 entries[level].snps.vswing = vswing; 3913 entries[level].snps.pre_cursor = pre_cursor; 3914 entries[level].snps.post_cursor = post_cursor; 3915 3916 offset += num_columns; 3917 } 3918 3919 return vspeo; 3920 } 3921 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki