Hi Ankit, kernel test robot noticed the following build errors:
[auto build test ERROR on drm/drm-next] [also build test ERROR on drm-tip/drm-tip next-20261012] [cannot apply to drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-xe/drm-xe-next linus/master v7.3-rc7] [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/Ankit-Nautiyal/drm-i915-hdmi-Parse-FRL-max-link-rate-from-VBT/20261012-092710 base: https://gitlab.freedesktop.org/drm/kernel.git drm-next patch link: https://lore.kernel.org/r/20261012035806.3361439-30-ankit.k.nautiyal%40intel.com patch subject: [PATCH v2 29/56] drm/i915/hdmi_frl_dfm: Add non dsc frl capacity computation helpers config: i386-buildonly-randconfig-1003-20261014 (https://download.01.org/0day-ci/archive/20261015/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261015/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): ld: drivers/gpu/drm/i915/display/intel_hdmi_frl_dfm.o: in function `get_tactive_min': >> drivers/gpu/drm/i915/display/intel_hdmi_frl_dfm.c:181:(.text+0x78): >> undefined reference to `__udivdi3' ld: drivers/gpu/drm/i915/display/intel_hdmi_frl_dfm.o: in function `compute_link_characteristics': drivers/gpu/drm/i915/display/intel_hdmi_frl_dfm.c:218:(.text+0xf8): undefined reference to `__udivdi3' vim +181 drivers/gpu/drm/i915/display/intel_hdmi_frl_dfm.c 161 162 /* 163 * Determine the minimum time necessary to transmit the active tribytes 164 * considering frl bandwidth limitation. 165 * Given the available bandwidth (i.e after overhead is considered), 166 * tactive_min represents the amount of time needed to transmit all the 167 * active data 168 */ 169 static u32 170 get_tactive_min(u32 num_lanes, u32 tribyte_active, 171 u32 overhead_max_k, u32 frl_char_min_rate_k) 172 { 173 u32 active_bytes, rate_kbps, efficiency_k, effective_rate_kbps; 174 175 active_bytes = (3 * tribyte_active) / 2; 176 rate_kbps = num_lanes * frl_char_min_rate_k; 177 efficiency_k = EFFICIENCY_MULTIPLIER - overhead_max_k; 178 effective_rate_kbps = mult_frac(rate_kbps, efficiency_k, EFFICIENCY_MULTIPLIER); 179 180 return div_u64(mul_u32_u32(FRL_TIMING_NS_MULTIPLIER, active_bytes), > 181 effective_rate_kbps) / 1000; 182 } 183 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
