[Intel-gfx] next: clang: x86_64: /intel_display.c:6012:3: error: unannotated fall-through between switch labels [-Werror, -Wimplicit-fallthrough]

[Naresh Kamboju]

Linux next-20230523 and next-20230524 the x86_64 and i386 builds failed
with clang.

Reported-by: Linux Kernel Functional Testing <lkft at linaro.org>

make --silent --keep-going \
  --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build ARCH=x86_64 \
  SRCARCH=x86 CROSS_COMPILE=x86_64-linux-gnu- \
  'HOSTCC=sccache clang' 'CC=sccache clang' \
   LLVM=1 LLVM_IAS=1

drivers/gpu/drm/i915/display/intel_display.c:6012:3: error:
unannotated fall-through between switch labels
[-Werror,-Wimplicit-fallthrough]
                case I915_FORMAT_MOD_X_TILED:
                ^
drivers/gpu/drm/i915/display/intel_display.c:6012:3: note: insert
'break;' to avoid fall-through
                case I915_FORMAT_MOD_X_TILED:
                ^
                break;
1 error generated.

log:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230524/testrun/17171777/suite/build/test/clang-lkftconfig/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230524/testrun/17171777/suite/build/test/clang-lkftconfig/history/



--
Linaro LKFT
https://lkft.linaro.org