linux-kernel - [agd5f:drm-next 135/190] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:805:6: warning: no previous prototype for 'dm_helpers_enable_periodic

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Date:   Wed, 26 Jan 2022 12:36:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Wenjing Liu <wenjing.liu@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Jerry Zuo <Jerry.Zuo@....com>
Subject: [agd5f:drm-next 135/190]
 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:805:6:
 warning: no previous prototype for 'dm_helpers_enable_periodic_detection'

tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   63e583c8843f305a3e334a96d5de00435f4d38a2
commit: d9eb8fea6862e63421f7b9c93e32bef348488c41 [135/190] drm/amd/display: Drop DCN for DP2.x logic
config: sparc64-buildonly-randconfig-r002-20220124 (https://download.01.org/0day-ci/archive/20220126/202201261234.rQipESIN-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
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
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout d9eb8fea6862e63421f7b9c93e32bef348488c41
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/gpu/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:805:6: warning: no previous prototype for 'dm_helpers_enable_periodic_detection' [-Wmissing-prototypes]
     805 | void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/dm_helpers_enable_periodic_detection +805 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c

ac02dc34258569 Eric Yang 2021-08-25  804  
ac02dc34258569 Eric Yang 2021-08-25 @805  void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable)

:::::: The code at line 805 was first introduced by commit
:::::: ac02dc34258569b793b78483154ca336f103946f drm/amd/display: Add periodic detection when zstate is enabled

:::::: TO: Eric Yang <Eric.Yang2@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>

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