linux-kernel - Re: [PATCH] drm: rework FB

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Message-ID: <202411171217.DZow6M4R-lkp@intel.com>
Date: Sun, 17 Nov 2024 13:04:45 +0800
From: kernel test robot <lkp@...el.com>
To: Arnd Bergmann <arnd@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>
Cc: oe-kbuild-all@...ts.linux.dev, Arnd Bergmann <arnd@...db.de>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Jocelyn Falempe <jfalempe@...hat.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Jani Nikula <jani.nikula@...el.com>,
	Harry Wentland <harry.wentland@....com>,
	Masahiro Yamada <masahiroy@...nel.org>,
	Jonathan Cavitt <jonathan.cavitt@...el.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm: rework FB_CORE dependency

Hi Arnd,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-exynos/exynos-drm-next]
[also build test ERROR on next-20241115]
[cannot apply to linus/master v6.12-rc7]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Arnd-Bergmann/drm-rework-FB_CORE-dependency/20241117-003714
base:   https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next
patch link:    https://lore.kernel.org/r/20241115152722.3537630-1-arnd%40kernel.org
patch subject: [PATCH] drm: rework FB_CORE dependency
config: arc-randconfig-052-20241117 (attached as .config)
compiler: arc-elf-gcc (GCC) 13.2.0
dtschema version: 2024.12.dev1+gcabb5b9
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171217.DZow6M4R-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411171217.DZow6M4R-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error: recursive dependency detected!
   symbol BACKLIGHT_CLASS_DEVICE is selected by FB_BACKLIGHT
   symbol FB_BACKLIGHT is selected by FB_SH_MOBILE_LCDC
   symbol FB_SH_MOBILE_LCDC depends on FB_DEVICE
   symbol FB_DEVICE depends on FB_CORE
   symbol FB_CORE is selected by DRM_KMS_HELPER
   symbol DRM_KMS_HELPER is selected by DRM_MIPI_DBI
   symbol DRM_MIPI_DBI is selected by DRM_PANEL_ILITEK_ILI9341
   symbol DRM_PANEL_ILITEK_ILI9341 depends on BACKLIGHT_CLASS_DEVICE
   For a resolution refer to Documentation/kbuild/kconfig-language.rst
   subsection "Kconfig recursive dependency limitations"

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki