tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf commit: 9b3d76527f6ea50270f7f7ac749493b41783e8bd drm/amd/display: Revert adding degamma coefficients date: 9 weeks ago config: mips-randconfig-r034-20210928 (attached as .config) compiler: mips-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9b3d76527f6ea50270f7f7ac749493b41783e8bd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c: In function 'apply_degamma_for_user_regamma': 1694 | build_coefficients(&coeff, true); | ^~~~ vim +1694 drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c 1684 1685 static void apply_degamma_for_user_regamma(struct pwl_float_data_ex *rgb_regamma, 1686 uint32_t hw_points_num, struct calculate_buffer *cal_buffer) 1687 { 1688 uint32_t i; 1689 1690 struct gamma_coefficients coeff; 1691 struct pwl_float_data_ex *rgb = rgb_regamma; 1692 const struct hw_x_point *coord_x = coordinates_x; 1693 1695 1696 i = 0; 1697 while (i != hw_points_num + 1) { 1698 rgb->r = translate_from_linear_space_ex( 1699 coord_x->x, &coeff, 0, cal_buffer); 1700 rgb->g = rgb->r; 1701 rgb->b = rgb->r; 1702 ++coord_x; 1703 ++rgb; 1704 ++i; 1705 } 1706 } 1707 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org