linux-kernel - [agd5f:drm-next 16/132] drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hubp.c:57:6: warning: no previous prototype for 'hubp31_program_extended

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Message-ID: <202204081535.oinzrfCs-lkp@intel.com>
Date:   Fri, 8 Apr 2022 15:17:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Gabe Teeger <gabe.teeger@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Nicholas Kazlauskas <Nicholas.Kazlauskas@....com>
Subject: [agd5f:drm-next 16/132]
 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hubp.c:57:6: warning:
 no previous prototype for 'hubp31_program_extended_blank'

tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   49aa98ca30cd186ab33fc5802066e2024d3bfa39
commit: e5fc78252ccd8dfc260f87d83905e9dffff6d975 [16/132] drm/amd/display: Add support for zstate during extended vblank
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220408/202204081535.oinzrfCs-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
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 e5fc78252ccd8dfc260f87d83905e9dffff6d975
        # 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/dcn31/dcn31_hubp.c:57:6: warning: no previous prototype for 'hubp31_program_extended_blank' [-Wmissing-prototypes]
      57 | void hubp31_program_extended_blank(struct hubp *hubp, unsigned int min_dst_y_next_start_optimized)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/hubp31_program_extended_blank +57 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hubp.c

    56	
  > 57	void hubp31_program_extended_blank(struct hubp *hubp, unsigned int min_dst_y_next_start_optimized)
    58	{
    59		struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
    60	
    61		REG_SET(BLANK_OFFSET_1, 0, MIN_DST_Y_NEXT_START, min_dst_y_next_start_optimized);
    62	}
    63	

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