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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Wed, 2 Feb 2022 14:32:37 +0530
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Subject: [next] arm: panel-edp.c:(.text+0xb74): undefined reference to `drm_panel_dp_aux_backlight'
To:     Linux ARM <linux-arm-kernel@lists.infradead.org>,
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        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>
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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@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


--
Linaro LKFT
https://lkft.linaro.org