Hi Matt, kernel test robot noticed the following build errors:
[auto build test ERROR on 55473b60178060a4fdb4631bd0c91879cc7d18d8] url: https://github.com/intel-lab-lkp/linux/commits/Matt-Coster/drm-imagination-Define-packed-BVNCs-in-the-uapi/20260206-175844 base: 55473b60178060a4fdb4631bd0c91879cc7d18d8 patch link: https://lore.kernel.org/r/20260206-bvnc-cleanup-v1-1-f3c818541fbe%40imgtec.com patch subject: [PATCH 1/2] drm/imagination: Define packed BVNCs in the uapi config: riscv-randconfig-001-20260206 (https://download.01.org/0day-ci/archive/20260207/[email protected]/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260207/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/imagination/pvr_device.c:550:7: error: expression is not an >> integer constant expression 550 | case PVR_PACKED_BVNC(33, 15, 11, 3): | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_device.h:490:2: note: expanded from macro 'PVR_PACKED_BVNC' 490 | (FIELD_PREP(DRM_PVR_BVNC_B, b) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 491 | FIELD_PREP(DRM_PVR_BVNC_V, v) | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 492 | FIELD_PREP(DRM_PVR_BVNC_N, n) | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 493 | FIELD_PREP(DRM_PVR_BVNC_C, c)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_device.c:550:7: note: this use of statement expressions is not supported in a constant expression drivers/gpu/drm/imagination/pvr_device.h:490:3: note: expanded from macro 'PVR_PACKED_BVNC' 490 | (FIELD_PREP(DRM_PVR_BVNC_B, b) | \ | ^ include/linux/bitfield.h:137:3: note: expanded from macro 'FIELD_PREP' 137 | __FIELD_PREP(_mask, _val, "FIELD_PREP: "); \ | ^ include/linux/bitfield.h:90:3: note: expanded from macro '__FIELD_PREP' 90 | __BF_FIELD_CHECK_MASK(mask, val, pfx); \ | ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:631:2: note: expanded from macro 'compiletime_assert' 631 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:619:2: note: expanded from macro '_compiletime_assert' 619 | __compiletime_assert(condition, msg, prefix, suffix) | ^ include/linux/compiler_types.h:603:2: note: expanded from macro '__compiletime_assert' 603 | do { \ | ^ drivers/gpu/drm/imagination/pvr_device.c:551:7: error: expression is not an integer constant expression 551 | case PVR_PACKED_BVNC(36, 53, 104, 796): | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_device.h:490:2: note: expanded from macro 'PVR_PACKED_BVNC' 490 | (FIELD_PREP(DRM_PVR_BVNC_B, b) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 491 | FIELD_PREP(DRM_PVR_BVNC_V, v) | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 492 | FIELD_PREP(DRM_PVR_BVNC_N, n) | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 493 | FIELD_PREP(DRM_PVR_BVNC_C, c)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_device.c:551:7: note: this use of statement expressions is not supported in a constant expression drivers/gpu/drm/imagination/pvr_device.h:490:3: note: expanded from macro 'PVR_PACKED_BVNC' 490 | (FIELD_PREP(DRM_PVR_BVNC_B, b) | \ | ^ include/linux/bitfield.h:137:3: note: expanded from macro 'FIELD_PREP' 137 | __FIELD_PREP(_mask, _val, "FIELD_PREP: "); \ | ^ include/linux/bitfield.h:90:3: note: expanded from macro '__FIELD_PREP' 90 | __BF_FIELD_CHECK_MASK(mask, val, pfx); \ | ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:631:2: note: expanded from macro 'compiletime_assert' 631 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:619:2: note: expanded from macro '_compiletime_assert' 619 | __compiletime_assert(condition, msg, prefix, suffix) | ^ include/linux/compiler_types.h:603:2: note: expanded from macro '__compiletime_assert' 603 | do { \ | ^ drivers/gpu/drm/imagination/pvr_device.c:554:7: error: expression is not an integer constant expression 554 | case PVR_PACKED_BVNC(36, 52, 104, 182): | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_device.h:490:2: note: expanded from macro 'PVR_PACKED_BVNC' 490 | (FIELD_PREP(DRM_PVR_BVNC_B, b) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 491 | FIELD_PREP(DRM_PVR_BVNC_V, v) | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 492 | FIELD_PREP(DRM_PVR_BVNC_N, n) | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 493 | FIELD_PREP(DRM_PVR_BVNC_C, c)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_device.c:554:7: note: this use of statement expressions is not supported in a constant expression drivers/gpu/drm/imagination/pvr_device.h:490:3: note: expanded from macro 'PVR_PACKED_BVNC' 490 | (FIELD_PREP(DRM_PVR_BVNC_B, b) | \ | ^ include/linux/bitfield.h:137:3: note: expanded from macro 'FIELD_PREP' 137 | __FIELD_PREP(_mask, _val, "FIELD_PREP: "); \ | ^ include/linux/bitfield.h:90:3: note: expanded from macro '__FIELD_PREP' 90 | __BF_FIELD_CHECK_MASK(mask, val, pfx); \ | ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:631:2: note: expanded from macro 'compiletime_assert' 631 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:619:2: note: expanded from macro '_compiletime_assert' 619 | __compiletime_assert(condition, msg, prefix, suffix) | ^ include/linux/compiler_types.h:603:2: note: expanded from macro '__compiletime_assert' 603 | do { \ | ^ 3 errors generated. vim +550 drivers/gpu/drm/imagination/pvr_device.c 1c21f240fbc1e47 Matt Coster 2026-01-13 545 1c21f240fbc1e47 Matt Coster 2026-01-13 546 static enum pvr_gpu_support_level 1c21f240fbc1e47 Matt Coster 2026-01-13 547 pvr_gpu_support_level(const struct pvr_gpu_id *gpu_id) 1c21f240fbc1e47 Matt Coster 2026-01-13 548 { 1c21f240fbc1e47 Matt Coster 2026-01-13 549 switch (pvr_gpu_id_to_packed_bvnc(gpu_id)) { 1c21f240fbc1e47 Matt Coster 2026-01-13 @550 case PVR_PACKED_BVNC(33, 15, 11, 3): 1c21f240fbc1e47 Matt Coster 2026-01-13 551 case PVR_PACKED_BVNC(36, 53, 104, 796): 1c21f240fbc1e47 Matt Coster 2026-01-13 552 return PVR_GPU_SUPPORTED; 1c21f240fbc1e47 Matt Coster 2026-01-13 553 1c21f240fbc1e47 Matt Coster 2026-01-13 554 case PVR_PACKED_BVNC(36, 52, 104, 182): 1c21f240fbc1e47 Matt Coster 2026-01-13 555 return PVR_GPU_EXPERIMENTAL; 1c21f240fbc1e47 Matt Coster 2026-01-13 556 1c21f240fbc1e47 Matt Coster 2026-01-13 557 default: 1c21f240fbc1e47 Matt Coster 2026-01-13 558 return PVR_GPU_UNKNOWN; 1c21f240fbc1e47 Matt Coster 2026-01-13 559 } 1c21f240fbc1e47 Matt Coster 2026-01-13 560 } 1c21f240fbc1e47 Matt Coster 2026-01-13 561 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
