linux-kernel - drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c:1694:36: warning: implicit conversion from 'enum <anonymous>' to 'enum dc_transfer_func

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Message-ID: <202111151126.sicOHFsT-lkp@intel.com>
Date:   Mon, 15 Nov 2021 11:25:34 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jaehyun Chung <jaehyun.chung@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Krunoslav Kovac <Krunoslav.Kovac@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c:1694:36:
 warning: implicit conversion from 'enum <anonymous>' to 'enum
 dc_transfer_func_predefined'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf
commit: 9b3d76527f6ea50270f7f7ac749493b41783e8bd drm/amd/display: Revert adding degamma coefficients
date:   9 weeks ago
config: mips-randconfig-r034-20210928 (attached as .config)
compiler: mips-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9b3d76527f6ea50270f7f7ac749493b41783e8bd
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 9b3d76527f6ea50270f7f7ac749493b41783e8bd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips 

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/modules/color/color_gamma.c: In function 'apply_degamma_for_user_regamma':
>> drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c:1694:36: warning: implicit conversion from 'enum <anonymous>' to 'enum dc_transfer_func_predefined' [-Wenum-conversion]
    1694 |         build_coefficients(&coeff, true);
         |                                    ^~~~


vim +1694 drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c

  1684	
  1685	static void apply_degamma_for_user_regamma(struct pwl_float_data_ex *rgb_regamma,
  1686			uint32_t hw_points_num, struct calculate_buffer *cal_buffer)
  1687	{
  1688		uint32_t i;
  1689	
  1690		struct gamma_coefficients coeff;
  1691		struct pwl_float_data_ex *rgb = rgb_regamma;
  1692		const struct hw_x_point *coord_x = coordinates_x;
  1693	
> 1694		build_coefficients(&coeff, true);
  1695	
  1696		i = 0;
  1697		while (i != hw_points_num + 1) {
  1698			rgb->r = translate_from_linear_space_ex(
  1699					coord_x->x, &coeff, 0, cal_buffer);
  1700			rgb->g = rgb->r;
  1701			rgb->b = rgb->r;
  1702			++coord_x;
  1703			++rgb;
  1704			++i;
  1705		}
  1706	}
  1707	

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

Download attachment ".config.gz" of type "application/gzip" (28535 bytes)