Regression found on arm gcc-11 built with multi_v5_defconfig Following build warnings / errors reported on linux next 20211025.
metadata: git_describe: next-20211025 git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_short_log: 9ae1fbdeabd3 ("Add linux-next specific files for 20211025") target_arch: arm toolchain: gcc-11 config: multi_v5_defconfig
build error : -------------- arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.o: in function `drm_fb_cma_get_gem_obj': drivers/gpu/drm/drm_fb_cma_helper.c:46: undefined reference to `drm_gem_fb_get_obj' arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.c:46: undefined reference to `drm_gem_fb_get_obj' arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.c:46: undefined reference to `drm_gem_fb_get_obj' arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.o: in function `drm_fb_cma_sync_non_coherent': drivers/gpu/drm/drm_fb_cma_helper.c:133: undefined reference to `drm_atomic_helper_damage_iter_init' arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.c:135: undefined reference to `drm_atomic_helper_damage_iter_next' make[1]: *** [Makefile:1252: vmlinux] Error 1 make[1]: Target '__all' not remade because of errors. make: *** [Makefile:226: __sub-make] Error 2
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
build link: ----------- https://builds.tuxbuild.com/1zzgFZBGjpQ5R0lawQFW9iJ39Hp/build.log
build config: ------------- https://builds.tuxbuild.com/1zzgFZBGjpQ5R0lawQFW9iJ39Hp/config
# To install tuxmake on your system globally # sudo pip3 install -U tuxmake tuxmake --runtime podman --target-arch arm --toolchain gcc-11 --kconfig multi_v5_defconfig
-- Linaro LKFT https://lkft.linaro.org