reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/1bdd1bb9d428494a87fa1bc5772051da3c54fd41 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jani-Nikula/drm-i915-display-identify-discrete-graphics/20241105-012305 git checkout 1bdd1bb9d428494a87fa1bc5772051da3c54fd41 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/