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    SubjectRe: gpu: drm_fb_cma_helper.c:46: undefined reference to `drm_gem_fb_get_obj'
    From
    Hi

    Am 25.10.21 um 14:13 schrieb Naresh Kamboju:
    > 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>

    That's probably from moving some of the functions into separate modules.
    Will be fixed soon.

    Best regards
    Thomas

    >
    >
    > 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
    >

    --
    Thomas Zimmermann
    Graphics Driver Developer
    SUSE Software Solutions Germany GmbH
    Maxfeldstr. 5, 90409 Nürnberg, Germany
    (HRB 36809, AG Nürnberg)
    Geschäftsführer: Felix Imendörffer
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