[next] arm: panel-edp.c:(.text+0xb74): undefined reference to `drm_panel_dp_aux_backlight'

[Thomas Zimmermann]

Hi

Am 02.02.22 um 10:02 schrieb Naresh Kamboju:
> Following builds failed on Linux next 20220202 arm architecture.
>    - arm-gcc-10-omap2plus_defconfig
>    - arm-clang-nightly-shmobile_defconfig
>    - arm-gcc-8-lpc32xx_defconfig
>    - arm-clang-13-shmobile_defconfig
>    - arm-gcc-10-shmobile_defconfig
>    - arm-clang-11-shmobile_defconfig
>    - arm-clang-11-omap2plus_defconfig
>    - arm-clang-13-omap2plus_defconfig
>    - arm-clang-11-lpc32xx_defconfig
>    - arm-gcc-8-omap2plus_defconfig
>    - arm-gcc-9-vexpress_defconfig
>    - arm-clang-nightly-lpc32xx_defconfig
>    - arm-gcc-9-shmobile_defconfig
>    - arm-clang-13-lpc32xx_defconfig
>    - arm-gcc-10-sama5_defconfig
>    - arm-clang-11-vexpress_defconfig
>    - arm-clang-11-sama5_defconfig
>    - arm-gcc-9-omap2plus_defconfig
>    - arm-clang-nightly-sama5_defconfig
>    - arm-clang-13-vexpress_defconfig
>    - arm-clang-nightly-vexpress_defconfig
>    - arm-gcc-9-lpc32xx_defconfig
>    - arm-clang-12-vexpress_defconfig
>    - arm-gcc-10-vexpress_defconfig
>    - arm-clang-12-shmobile_defconfig
>    - arm-gcc-11-omap2plus_defconfig
>    - arm-gcc-9-sama5_defconfig
>    - arm-gcc-8-shmobile_defconfig
>    - arm-gcc-10-lpc32xx_defconfig
>    - arm-clang-12-omap2plus_defconfig
>    - arm-gcc-8-vexpress_defconfig
>    - arm-clang-12-sama5_defconfig
>    - arm-clang-nightly-omap2plus_defconfig
>    - arm-gcc-11-lpc32xx_defconfig
>    - arm-gcc-11-sama5_defconfig
>    - arm-gcc-11-shmobile_defconfig
>    - arm-gcc-11-vexpress_defconfig
>    - arm-gcc-8-sama5_defconfig
>    - arm-clang-13-sama5_defconfig
>    - arm-clang-12-lpc32xx_defconfig
> 
> 
> make --silent --keep-going --jobs=8  ARCH=arm
> CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache
> arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc' vexpress_defconfig
> make --silent --keep-going --jobs=8  ARCH=arm
> CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache
> arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc'
> arm-linux-gnueabihf-ld: drivers/gpu/drm/panel/panel-edp.o: in function
> `panel_edp_probe':
> panel-edp.c:(.text+0xb74): undefined reference to `drm_panel_dp_aux_backlight'
> make[1]: *** [/builds/linux/Makefile:1222: vmlinux] Error 1
> 
> 
> Reported-by: Linux Kernel Functional Testing <lkft at linaro.org>
> 
> meta data:
> -----------
>      git describe: next-20220202
>      git_repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>      target_arch: arm
>      kconfig: vexpress_defconfig
>      toolchain: gcc-11
> 
> Build log:
> -------------
> https://builds.tuxbuild.com/24XRim72vFXix6l6MdAJNENy6je/
> 
> Steps to reproduce:
> --------------------
> # To install tuxmake on your system globally:
> # sudo pip3 install -U tuxmake
> #
> # See https://docs.tuxmake.org/ for complete documentation.
> # Original tuxmake command with fragments listed below.
> 
> tuxmake --runtime podman --target-arch arm --toolchain gcc-11
> --kconfig vexpress_defconfig
> 
> tuxmake --runtime podman --target-arch arm --toolchain gcc-11
> --kconfig https://builds.tuxbuild.com/24XRim72vFXix6l6MdAJNENy6je/config

You'll now need

   CONFIG_DRM_DP_HELPER=y

in your config.

Best regards
Thomas

> 
> 
> --
> 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: Ivo Totev
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