drm/amd/display: Simplify hdcp validate_bksv

kernel test robot lkp at intel.com
Sun Jul 11 23:02:56 UTC 2021

Hi Joe,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-exynos/exynos-drm-next linus/master next-20210709]
[cannot apply to kees/for-next/pstore tegra-drm/drm/tegra/for-next drm/drm-next v5.13]
[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

url:    https://github.com/0day-ci/linux/commits/Joe-Perches/drm-amd-display-Simplify-hdcp-validate_bksv/20210712-034708
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-a003-20210712 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/66fae2c1becdcb71c95f2c6a6413de4dfe1deb51
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Joe-Perches/drm-amd-display-Simplify-hdcp-validate_bksv/20210712-034708
        git checkout 66fae2c1becdcb71c95f2c6a6413de4dfe1deb51
        # 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 at intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "__popcountdi2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

0-DAY CI Kernel Test Service, Intel Corporation
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