Hi Michal, kernel test robot noticed the following build warnings:
[auto build test WARNING on 4774cfe3543abb8ee98089f535e28ebfd45b975a] url: https://github.com/intel-lab-lkp/linux/commits/Michal-Wilczynski/power-sequencing-Add-T-HEAD-TH1520-GPU-power-sequencer-driver/20250618-182429 base: 4774cfe3543abb8ee98089f535e28ebfd45b975a patch link: https://lore.kernel.org/r/20250618-apr_14_for_sending-v5-8-27ed33ea5c6f%40samsung.com patch subject: [PATCH v5 8/8] drm/imagination: Enable PowerVR driver for RISC-V config: sparc64-randconfig-r121-20250620 (https://download.01.org/0day-ci/archive/20250620/202506201103.gx6da9gx-...@intel.com/config) compiler: sparc64-linux-gcc (GCC) 8.5.0 reproduce: (https://download.01.org/0day-ci/archive/20250620/202506201103.gx6da9gx-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506201103.gx6da9gx-...@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/imagination/pvr_mmu.c:57:3: error: #error Unsupported device page size PVR_DEVICE_PAGE_SIZE # error Unsupported device page size PVR_DEVICE_PAGE_SIZE ^~~~~ In file included from ./arch/sparc/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:390, from include/linux/dev_printk.h:14, from include/linux/device.h:15, from include/linux/node.h:18, from include/linux/memory.h:19, from drivers/gpu/drm/imagination/pvr_mmu.h:7, from drivers/gpu/drm/imagination/pvr_mmu.c:4: drivers/gpu/drm/imagination/pvr_mmu.c: In function 'pvr_page_table_l1_entry_raw_set': drivers/gpu/drm/imagination/pvr_mmu.c:577:50: error: 'ROGUE_MMUCTRL_PAGE_SIZE_X' undeclared (first use in this function); did you mean 'ROGUE_MMUCTRL_PAGE_SIZE_1MB'? PVR_PAGE_TABLE_FIELD_PREP(1, PD, PAGE_SIZE, ROGUE_MMUCTRL_PAGE_SIZE_X) | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:55:33: note: in definition of macro '__WRITE_ONCE' *(volatile typeof(x) *)&(x) = (val); \ ^~~ drivers/gpu/drm/imagination/pvr_mmu.c:574:2: note: in expansion of macro 'WRITE_ONCE' WRITE_ONCE(entry->val, ^~~~~~~~~~ drivers/gpu/drm/imagination/pvr_mmu.c:577:6: note: in expansion of macro 'PVR_PAGE_TABLE_FIELD_PREP' PVR_PAGE_TABLE_FIELD_PREP(1, PD, PAGE_SIZE, ROGUE_MMUCTRL_PAGE_SIZE_X) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_mmu.c:577:50: note: each undeclared identifier is reported only once for each function it appears in PVR_PAGE_TABLE_FIELD_PREP(1, PD, PAGE_SIZE, ROGUE_MMUCTRL_PAGE_SIZE_X) | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:55:33: note: in definition of macro '__WRITE_ONCE' *(volatile typeof(x) *)&(x) = (val); \ ^~~ drivers/gpu/drm/imagination/pvr_mmu.c:574:2: note: in expansion of macro 'WRITE_ONCE' WRITE_ONCE(entry->val, ^~~~~~~~~~ drivers/gpu/drm/imagination/pvr_mmu.c:577:6: note: in expansion of macro 'PVR_PAGE_TABLE_FIELD_PREP' PVR_PAGE_TABLE_FIELD_PREP(1, PD, PAGE_SIZE, ROGUE_MMUCTRL_PAGE_SIZE_X) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/imagination/pvr_mmu.c: In function 'pvr_page_table_l0_entry_raw_set': drivers/gpu/drm/imagination/pvr_mmu.c:741:24: error: 'ROGUE_MMUCTRL_PAGE_X_RANGE_CLRMSK' undeclared (first use in this function); did you mean 'ROGUE_MMUCTRL_PAGE_1MB_RANGE_CLRMSK'? (dma_addr & ~ROGUE_MMUCTRL_PAGE_X_RANGE_CLRMSK) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:55:33: note: in definition of macro '__WRITE_ONCE' *(volatile typeof(x) *)&(x) = (val); \ ^~~ drivers/gpu/drm/imagination/pvr_mmu.c:739:2: note: in expansion of macro 'WRITE_ONCE' WRITE_ONCE(entry->val, PVR_PAGE_TABLE_FIELD_PREP(0, PT, VALID, true) | ^~~~~~~~~~ drivers/gpu/drm/imagination/pvr_mmu.c: In function 'pvr_page_table_l0_idx': drivers/gpu/drm/imagination/pvr_mmu.c:1713:9: error: 'ROGUE_MMUCTRL_PAGE_X_RANGE_SHIFT' undeclared (first use in this function); did you mean 'ROGUE_MMUCTRL_PAGE_4KB_RANGE_SHIFT'? ROGUE_MMUCTRL_PAGE_X_RANGE_SHIFT; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ROGUE_MMUCTRL_PAGE_4KB_RANGE_SHIFT >> drivers/gpu/drm/imagination/pvr_mmu.c:1714:1: warning: control reaches end >> of non-void function [-Wreturn-type] } ^ vim +1714 drivers/gpu/drm/imagination/pvr_mmu.c ff5f643de0bf27 Donald Robson 2023-11-22 1696 ff5f643de0bf27 Donald Robson 2023-11-22 1697 /** ff5f643de0bf27 Donald Robson 2023-11-22 1698 * pvr_page_table_l0_idx() - Calculate the level 0 page table index for a ff5f643de0bf27 Donald Robson 2023-11-22 1699 * device-virtual address. ff5f643de0bf27 Donald Robson 2023-11-22 1700 * @device_addr: Target device-virtual address. ff5f643de0bf27 Donald Robson 2023-11-22 1701 * ff5f643de0bf27 Donald Robson 2023-11-22 1702 * This function does not perform any bounds checking - it is the caller's ff5f643de0bf27 Donald Robson 2023-11-22 1703 * responsibility to ensure that @device_addr is valid before interpreting ff5f643de0bf27 Donald Robson 2023-11-22 1704 * the result. ff5f643de0bf27 Donald Robson 2023-11-22 1705 * ff5f643de0bf27 Donald Robson 2023-11-22 1706 * Return: ff5f643de0bf27 Donald Robson 2023-11-22 1707 * The index into a level 0 page table corresponding to @device_addr. ff5f643de0bf27 Donald Robson 2023-11-22 1708 */ ff5f643de0bf27 Donald Robson 2023-11-22 1709 static u16 ff5f643de0bf27 Donald Robson 2023-11-22 1710 pvr_page_table_l0_idx(u64 device_addr) ff5f643de0bf27 Donald Robson 2023-11-22 1711 { ff5f643de0bf27 Donald Robson 2023-11-22 1712 return (device_addr & ~ROGUE_MMUCTRL_VADDR_PT_INDEX_CLRMSK) >> ff5f643de0bf27 Donald Robson 2023-11-22 1713 ROGUE_MMUCTRL_PAGE_X_RANGE_SHIFT; ff5f643de0bf27 Donald Robson 2023-11-22 @1714 } ff5f643de0bf27 Donald Robson 2023-11-22 1715 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki