linux-kernel - [agd5f:drm-next 48/65] drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hubp.c:1319:6: warning: no previous prototype for 'hubp1_wait_pipe_read

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Message-ID: <202203162243.lsr37uYW-lkp@intel.com>
Date:   Wed, 16 Mar 2022 23:00:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Becle Lee <becle.lee@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Hersen Wu <hersenxs.wu@....com>, Aric Cyr <Aric.Cyr@....com>
Subject: [agd5f:drm-next 48/65]
 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hubp.c:1319:6: warning:
 no previous prototype for 'hubp1_wait_pipe_read_start'

tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   426c89aa203bcec9d9cf6eea36735eafa1b1f099
commit: dd15640bcee5a5fa74fc52557dd6220f48b01116 [48/65] drm/amd/display: Wait for hubp read line for Pollock
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220316/202203162243.lsr37uYW-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0
reproduce (this is a W=1 build):
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout dd15640bcee5a5fa74fc52557dd6220f48b01116
        # 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/dcn10/dcn10_hubp.c:1319:6: warning: no previous prototype for 'hubp1_wait_pipe_read_start' [-Wmissing-prototypes]
    1319 | void hubp1_wait_pipe_read_start(struct hubp *hubp)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/hubp1_wait_pipe_read_start +1319 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hubp.c

  1313	
  1314	/**
  1315	 * hubp1_wait_pipe_read_start - wait for hubp ret path starting read.
  1316	 *
  1317	 * @hubp: hubp struct reference.
  1318	 */
> 1319	void hubp1_wait_pipe_read_start(struct hubp *hubp)
  1320	{
  1321		struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp);
  1322	
  1323		REG_WAIT(HUBPRET_READ_LINE_STATUS,
  1324			PIPE_READ_VBLANK, 0,
  1325			 1, 1000);
  1326	}
  1327	

---
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