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SubjectRe: [PATCH] drm/msm/a6xx: add CONFIG_QCOM_LLCC dependency
On Sun, Jan 3, 2021 at 4:09 PM kernel test robot <lkp@intel.com> wrote:
>
> 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
> https://git-scm.com/docs/git-format-patch]
>
> url: https://github.com/0day-ci/linux/commits/Arnd-Bergmann/drm-msm-a6xx-add-CONFIG_QCOM_LLCC-dependency/20210103-220704
> base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 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):
> # https://github.com/0day-ci/linux/commit/7d8b8d7954012e210a5e6c77103e52382c6b5503
> git remote add linux-review https://github.com/0day-ci/linux
> 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 <lkp@intel.com>
>
> 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"

Ah, this depends on another patch of mine that I have in my randconfig tree, to
replace the 'select FB' in DRM_KMS_FB_HELPER with 'depends on FB'.

Should I resend that patch, or would someone suggest a different fix for
the CONFIG_QCOM_LLCC dependency issue?

Arnd

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