ld.lld: error: undefined symbol: drm_dsc_pps_payload_pack
From: kernel test robot
Date: Fri Oct 16 2026 - 03:03:06 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2f2f7eeef8b0a1a9b9ca998231419873ccae8d4e
commit: 75a5dbd1f4f71b1382dae973538af00178ba55a0 drm/panel: Add Novatek NT36536 panel driver
date: 3 months ago
config: powerpc64-randconfig-r2300-20261016 (https://download.01.org/0day-ci/archive/20261016/202610160921.ZxhwcBFE-lkp@xxxxxxxxx/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 8a679464f19c426ef76aad9f4587b703dd3e584d)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261016/202610160921.ZxhwcBFE-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
| Fixes: 75a5dbd1f4f7 ("drm/panel: Add Novatek NT36536 panel driver")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610160921.ZxhwcBFE-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: drm_dsc_pps_payload_pack
>>> referenced by panel-novatek-nt36536.c
>>> drivers/gpu/drm/panel/panel-novatek-nt36536.o:(novatek_prepare) in archive vmlinux.a
--
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