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Date:   Sun, 3 Jan 2021 23:09:00 +0800
From:   kernel test robot <>
To:     Arnd Bergmann <>, Rob Clark <>,
        Sean Paul <>, David Airlie <>,
        Daniel Vetter <>,
        Sharat Masetty <>,
        Sai Prakash Ranjan <>
Cc:, Arnd Bergmann <>,,,
        Tanmay Shah <>
Subject: Re: [PATCH] drm/msm/a6xx: add CONFIG_QCOM_LLCC dependency

Hi Arnd,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.11-rc1 next-20201223]
[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]

base: 3516bd729358a2a9b090c1905bd2a3fa926e24c6
config: i386-randconfig-m021-20210103 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        git remote add linux-review
        git fetch --no-tags linux-review Arnd-Bergmann/drm-msm-a6xx-add-CONFIG_QCOM_LLCC-dependency/20210103-220704
        git checkout 7d8b8d7954012e210a5e6c77103e52382c6b5503
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/Kconfig:74:error: recursive dependency detected!
   drivers/gpu/drm/Kconfig:74: symbol DRM_KMS_HELPER is selected by DRM_MSM
   drivers/gpu/drm/msm/Kconfig:3: symbol DRM_MSM depends on QCOM_COMMAND_DB
   drivers/soc/qcom/Kconfig:19: symbol QCOM_COMMAND_DB depends on OF_RESERVED_MEM
   drivers/of/Kconfig:80: symbol OF_RESERVED_MEM default is visible depending on DMA_CMA
   kernel/dma/Kconfig:109: symbol DMA_CMA is selected by FB_HYPERV
   drivers/video/fbdev/Kconfig:2182: symbol FB_HYPERV depends on FB
   drivers/video/fbdev/Kconfig:12: symbol FB is selected by DRM_KMS_FB_HELPER
   drivers/gpu/drm/Kconfig:80: symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER
   For a resolution refer to Documentation/kbuild/kconfig-language.rst
   subsection "Kconfig recursive dependency limitations"

vim +74 drivers/gpu/drm/Kconfig

6fcefd56f5060ca Dave Airlie   2009-09-08 @74  config DRM_KMS_HELPER
13a8195b148615b Dave Airlie   2009-09-07  75  	tristate
13a8195b148615b Dave Airlie   2009-09-07  76  	depends on DRM
92b6f89f6b85f43 Daniel Vetter 2013-10-08  77  	help
92b6f89f6b85f43 Daniel Vetter 2013-10-08  78  	  CRTC helpers for KMS drivers.
92b6f89f6b85f43 Daniel Vetter 2013-10-08  79  

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (27151 bytes)

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