[agd5f:drm-next 243/250] drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c:2277:13: warning: variable 'ret' set but not used

From: kernel test robot
Date: Thu Feb 03 2022 - 09:06:25 EST

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tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head: 53593d1be00c441585cb4fec41a756b8e586b710
commit: 5d64f9bbb6281a5a89a2266b9d39daa1fca1d6b4 [243/250] amdgpu/pm: Implement new API function "emit" that accepts buffer base and write offset
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20220203/202202031511.FRQppMha-lkp@xxxxxxxxx/config)
compiler: powerpc-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 5d64f9bbb6281a5a89a2266b9d39daa1fca1d6b4
# 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=powerpc SHELL=/bin/bash drivers/gpu/drm/

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

All warnings (new ones prefixed by >>):

drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c: In function 'smu_emit_ppclk_levels':
>> drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c:2277:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
2277 | int ret = 0;
| ^~~

vim +/ret +2277 drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c

2272
2273 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2274 {
2275 struct smu_context *smu = handle;
2276 enum smu_clk_type clk_type;
> 2277 int ret = 0;
2278
2279 clk_type = smu_convert_to_smuclk(type);
2280 if (clk_type == SMU_CLK_COUNT)
2281 return -EINVAL;
2282
2283 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2284 return -EOPNOTSUPP;
2285
2286 if (!smu->ppt_funcs->emit_clk_levels)
2287 ret = -ENOENT;
2288
2289 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2290

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