Hi Liankun, kernel test robot noticed the following build errors: [auto build test ERROR on pza/reset/next] [also build test ERROR on linus/master v6.11 next-20240923] [cannot apply to pza/imx-drm/next] [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/Liankun-Yang/drm-mediatek-dp-Add-sdp-path-reset/20240923-213747 base: https://git.pengutronix.de/git/pza/linux reset/next patch link: https://lore.kernel.org/r/20240923133610.23728-1-liankun.yang%40mediatek.com patch subject: [PATCH v1 1/1] drm/mediatek: dp: Add sdp path reset config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20240924/202409240700.ARp9pDUk-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409240700.ARp9pDUk-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/202409240700.ARp9pDUk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpu/drm/mediatek/mtk_dp.c: In function 'mtk_dp_sdp_path_reset': >> drivers/gpu/drm/mediatek/mtk_dp.c:1058:33: error: 'SDP_RESET_SW_DP_ENC0_P0' undeclared (first use in this function); did you mean 'SDP_PACKET_W_DP_ENC1_P0'? 1058 | SDP_RESET_SW_DP_ENC0_P0, | ^~~~~~~~~~~~~~~~~~~~~~~ | SDP_PACKET_W_DP_ENC1_P0 drivers/gpu/drm/mediatek/mtk_dp.c:1058:33: note: each undeclared identifier is reported only once for each function it appears in vim +1058 drivers/gpu/drm/mediatek/mtk_dp.c 1054 1055 static void mtk_dp_sdp_path_reset(struct mtk_dp *mtk_dp) 1056 { 1057 mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004, > 1058 SDP_RESET_SW_DP_ENC0_P0, 1059 SDP_RESET_SW_DP_ENC0_P0); 1060 1061 /* Wait for sdp path reset to complete */ 1062 usleep_range(1000, 5000); 1063 mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004, 1064 0, SDP_RESET_SW_DP_ENC0_P0); 1065 } 1066 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki