tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: 3458ef3969082647e64825452b8bfd06ee7c3351 commit: f439de91652a689740663abd1111cb72f7f015f7 [228/272] drm/amdgpu: added support for psp fw attestation config: x86_64-randconfig-a004-20201026 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git git fetch --no-tags radeon-alex amd-staging-drm-next git checkout f439de91652a689740663abd1111cb72f7f015f7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot lkp@intel.com

All warnings (new ones prefixed by >>):

...

drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:130:6: warning: no previous prototype for function 'amdgpu_fw_attestation_debugfs_init' [-Wmissing-prototypes]

void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev) ^ drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:130:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev) ^ static 1 warning generated.

vim +/amdgpu_fw_attestation_debugfs_init +130 drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c

129

130 void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev)

--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org