Re: [PATCH -next] drm/i915: remove unreachable code

kernel test robot
2023-05-31T15:32:37Z

Hi Yang,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20230530]

url: https://github.com/intel-lab-lkp/linux/commits/Yang-Li/drm-i915-remove-unreachable-code/20230531-101832
base: next-20230530
patch link: https://lore.kernel.org/r/20230531021714.125078-1-yang.lee%40linux.alibaba.com
patch subject: [PATCH -next] drm/i915: remove unreachable code
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230531/202305312340.S0eChDKB-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/58232a66b9d21d80bc6b478e2a8fb1443da3adfc
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Yang-Li/drm-i915-remove-unreachable-code/20230531-101832
git checkout 58232a66b9d21d80bc6b478e2a8fb1443da3adfc
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305312340.S0eChDKB-lkp@intel.com/

All errors (new ones prefixed by >>):

drivers/gpu/drm/i915/display/intel_color.c: In function 'intel_color_prepare_commit':
>> drivers/gpu/drm/i915/display/intel_color.c:1803:28: error: unused variable 'crtc' [-Werror=unused-variable]
1803 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
| ^~~~
cc1: all warnings being treated as errors

vim +/crtc +1803 drivers/gpu/drm/i915/display/intel_color.c

3962ca4e080a52 Ville Syrjälä 2023-03-20 1800
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1801 void intel_color_prepare_commit(struct intel_crtc_state *crtc_state)
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1802 {
b358c3b98813b1 Ville Syrjälä 2022-11-23 @1803 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
b358c3b98813b1 Ville Syrjälä 2022-11-23 1804
2487ae0bcb53a7 Ville Syrjälä 2022-11-23 1805 /* FIXME DSB has issues loading LUTs, disable it for now */
2487ae0bcb53a7 Ville Syrjälä 2022-11-23 1806 return;
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1807 }
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1808

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0-DAY CI Kernel Test Service