Re: gpu: drm_fb_cma_helper.c:46: undefined reference to `drm_gem_fb_get_obj'

[Thomas Zimmermann]

Hi

Am 25.10.21 um 16:01 schrieb Naresh Kamboju:
> On Mon, 25 Oct 2021 at 17:43, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
> > 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@xxxxxxxxxx>
>
> The bisection script pointed to the first bad commit,
>
> commit 4b2b5e142ff499a2bef2b8db0272bbda1088a3fe
> drm: Move GEM memory managers into modules

Could you please try the patch at [1]? It fixes the problem for me.

Best regards
Thomas

[1] https://patchwork.freedesktop.org/patch/461426/

> > 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
>
> - Naresh

--
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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