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Subject[drm-misc:drm-misc-next 1106/1116] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6622:2: error: call to undeclared function 'crtc_debugfs_init'; ISO C99 and later do not support implicit function declarations
tree:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head: 1a3b1ea111c44d9dce9f70ba032531a223395a15
commit: 4cd79f614b501e496ee8e4181d528c0cc1cb4e18 [1106/1116] drm/amd/display: Move connector debugfs to drm
config: arm64-randconfig-r001-20220524 (https://download.01.org/0day-ci/archive/20220524/202205241843.8EWKesIA-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 10c9ecce9f6096e18222a331c5e7d085bd813f75)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
git fetch --no-tags drm-misc drm-misc-next
git checkout 4cd79f614b501e496ee8e4181d528c0cc1cb4e18
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6622:2: error: call to undeclared function 'crtc_debugfs_init'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
crtc_debugfs_init(crtc);
^
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9165:20: warning: variable 'abo' set but not used [-Wunused-but-set-variable]
struct amdgpu_bo *abo;
^
1 warning and 1 error generated.


vim +/crtc_debugfs_init +6622 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c

e7b07ceef2a650 Harry Wentland 2017-08-10 6619
e69231c4451ae0 Wayne Lin 2021-03-08 6620 static int amdgpu_dm_crtc_late_register(struct drm_crtc *crtc)
86bc221918925a Wayne Lin 2021-03-02 6621 {
86bc221918925a Wayne Lin 2021-03-02 @6622 crtc_debugfs_init(crtc);
86bc221918925a Wayne Lin 2021-03-02 6623
86bc221918925a Wayne Lin 2021-03-02 6624 return 0;
86bc221918925a Wayne Lin 2021-03-02 6625 }
86bc221918925a Wayne Lin 2021-03-02 6626

:::::: The code at line 6622 was first introduced by commit
:::::: 86bc221918925a0bbb49043e3936e898e009b43b drm/amd/display: Support crc on specific region

:::::: TO: Wayne Lin <Wayne.Lin@amd.com>
:::::: CC: Alex Deucher <alexander.deucher@amd.com>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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