linux-kernel - drivers/gpu/drm/amd/amdgpu/../display/dc/dcn303/dcn303_init.c:30:6: warning: no previous prototype for 'dcn303_hw_sequencer

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Date:   Tue, 7 Dec 2021 18:10:29 +0800
From:   kernel test robot <lkp@...el.com>
To:     Aurabindo Pillai <aurabindo.pillai@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Chris Park <Chris.Park@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn303/dcn303_init.c:30:6:
 warning: no previous prototype for 'dcn303_hw_sequencer_construct'

Hi Aurabindo,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cd8c917a56f20f48748dd43d9ae3caff51d5b987
commit: cd6d421e3d1ad5926b74091254e345db730e7706 drm/amd/display: Initial DC support for Beige Goby
date:   7 months ago
config: i386-buildonly-randconfig-r002-20211205 (https://download.01.org/0day-ci/archive/20211207/202112071852.mQxmAP3G-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd6d421e3d1ad5926b74091254e345db730e7706
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cd6d421e3d1ad5926b74091254e345db730e7706
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/

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/dc/dcn303/dcn303_init.c:30:6: warning: no previous prototype for 'dcn303_hw_sequencer_construct' [-Wmissing-prototypes]
      30 | void dcn303_hw_sequencer_construct(struct dc *dc)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/dcn303_hw_sequencer_construct +30 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn303/dcn303_init.c

    29	
  > 30	void dcn303_hw_sequencer_construct(struct dc *dc)

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