Hi Thomas, First bad commit (maybe != root cause):
tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next head: 70102d77ff22dd88a0111b1c3bac5099ac5d0425 commit: 7470849745e6cd746ae773a6e59b309867310181 [11/19] video: Move HP PARISC STI core code to shared location config: parisc-randconfig-s052-20230423 (https://download.01.org/0day-ci/archive/20230425/202304250018.7fbssppq-...@intel.com/config) compiler: hppa-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc git fetch --no-tags drm-misc drm-misc-next git checkout 7470849745e6cd746ae773a6e59b309867310181 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc SHELL=/bin/bash drivers/video/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <l...@intel.com> | Link: https://lore.kernel.org/oe-kbuild-all/202304250018.7fbssppq-...@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/video/sticore.c:888:14: sparse: sparse: cast to restricted __le32 >> drivers/video/sticore.c:888:14: sparse: sparse: cast to restricted __le32 >> drivers/video/sticore.c:888:14: sparse: sparse: cast to restricted __le32 >> drivers/video/sticore.c:888:14: sparse: sparse: cast to restricted __le32 >> drivers/video/sticore.c:888:14: sparse: sparse: cast to restricted __le32 >> drivers/video/sticore.c:888:14: sparse: sparse: cast to restricted __le32 >> drivers/video/sticore.c:902:17: sparse: sparse: cast to restricted __le16 >> drivers/video/sticore.c:902:17: sparse: sparse: cast to restricted __le16 >> drivers/video/sticore.c:902:17: sparse: sparse: cast to restricted __le16 >> drivers/video/sticore.c:902:17: sparse: sparse: cast to restricted __le16 drivers/video/sticore.c:904:29: sparse: sparse: cast to restricted __le16 drivers/video/sticore.c:904:29: sparse: sparse: cast to restricted __le16 drivers/video/sticore.c:904:29: sparse: sparse: cast to restricted __le16 drivers/video/sticore.c:904:29: sparse: sparse: cast to restricted __le16 drivers/video/sticore.c:914:28: sparse: sparse: cast to restricted __le32 drivers/video/sticore.c:914:28: sparse: sparse: cast to restricted __le32 drivers/video/sticore.c:914:28: sparse: sparse: cast to restricted __le32 drivers/video/sticore.c:914:28: sparse: sparse: cast to restricted __le32 drivers/video/sticore.c:914:28: sparse: sparse: cast to restricted __le32 drivers/video/sticore.c:914:28: sparse: sparse: cast to restricted __le32 vim +888 drivers/video/sticore.c ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 859 48c68c4f1b5424 drivers/video/console/sticore.c Greg Kroah-Hartman 2012-12-21 860 static struct sti_struct *sti_try_rom_generic(unsigned long address, 48c68c4f1b5424 drivers/video/console/sticore.c Greg Kroah-Hartman 2012-12-21 861 unsigned long hpa, 48c68c4f1b5424 drivers/video/console/sticore.c Greg Kroah-Hartman 2012-12-21 862 struct pci_dev *pd) ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 863 { ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 864 struct sti_struct *sti; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 865 int ok; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 866 u32 sig; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 867 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 868 if (num_sti_roms >= MAX_STI_ROMS) { 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 869 pr_warn("maximum number of STI ROMS reached !\n"); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 870 return NULL; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 871 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 872 cb6fc18e9ca615 drivers/video/console/sticore.c Helge Deller 2006-01-17 873 sti = kzalloc(sizeof(*sti), GFP_KERNEL); 3af04d5c459485 drivers/video/console/sticore.c Markus Elfring 2018-03-28 874 if (!sti) ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 875 return NULL; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 876 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 877 spin_lock_init(&sti->lock); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 878 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 879 test_rom: ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 880 /* if we can't read the ROM, bail out early. Not being able ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 881 * to read the hpa is okay, for romless sti */ ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 882 if (pdc_add_valid(address)) ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 883 goto out_err; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 884 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 885 sig = gsc_readl(address); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 886 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 887 /* check for a PCI ROM structure */ ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 @888 if ((le32_to_cpu(sig)==0xaa55)) { ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 889 unsigned int i, rm_offset; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 890 u32 *rm; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 891 i = gsc_readl(address+0x04); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 892 if (i != 1) { ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 893 /* The ROM could have multiple architecture ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 894 * dependent images (e.g. i386, parisc,...) */ 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 895 pr_warn("PCI ROM is not a STI ROM type image (0x%8x)\n", i); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 896 goto out_err; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 897 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 898 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 899 sti->pd = pd; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 900 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 901 i = gsc_readl(address+0x0c); 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 @902 pr_debug("PCI ROM size (from header) = %d kB\n", 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 903 le16_to_cpu(i>>16)*512/1024); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 904 rm_offset = le16_to_cpu(i & 0xffff); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 905 if (rm_offset) { ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 906 /* read 16 bytes from the pci region mapper array */ ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 907 rm = (u32*) &sti->rm_entry; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 908 *rm++ = gsc_readl(address+rm_offset+0x00); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 909 *rm++ = gsc_readl(address+rm_offset+0x04); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 910 *rm++ = gsc_readl(address+rm_offset+0x08); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 911 *rm++ = gsc_readl(address+rm_offset+0x0c); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 912 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 913 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 914 address += le32_to_cpu(gsc_readl(address+8)); 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 915 pr_debug("sig %04x, PCI STI ROM at %08lx\n", sig, address); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 916 goto test_rom; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 917 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 918 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 919 ok = 0; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 920 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 921 if ((sig & 0xff) == 0x01) { 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 922 pr_debug(" byte mode ROM at %08lx, hpa at %08lx\n", 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 923 address, hpa); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 924 ok = sti_read_rom(0, sti, address); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 925 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 926 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 927 if ((sig & 0xffff) == 0x0303) { 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 928 pr_debug(" word mode ROM at %08lx, hpa at %08lx\n", 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 929 address, hpa); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 930 ok = sti_read_rom(1, sti, address); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 931 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 932 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 933 if (!ok) ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 934 goto out_err; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 935 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 936 if (sti_init_glob_cfg(sti, address, hpa)) ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 937 goto out_err; /* not enough memory */ ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 938 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 939 /* disable STI PCI ROM. ROM and card RAM overlap and ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 940 * leaving it enabled would force HPMCs ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 941 */ ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 942 if (sti->pd) { ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 943 unsigned long rom_base; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 944 rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 945 pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); 7ff3f14ddc355b drivers/video/console/sticore.c Helge Deller 2020-10-12 946 pr_debug("STI PCI ROM disabled\n"); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 947 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 948 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 949 if (sti_init_graph(sti)) ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 950 goto out_err; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 951 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 952 sti_inq_conf(sti); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 953 sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 954 sti_dump_outptr(sti); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 955 0219132fe7c265 drivers/video/console/sticore.c Helge Deller 2013-11-06 956 pr_info(" graphics card name: %s\n", 0219132fe7c265 drivers/video/console/sticore.c Helge Deller 2013-11-06 957 sti->sti_data->inq_outptr.dev_name); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 958 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 959 sti_roms[num_sti_roms] = sti; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 960 num_sti_roms++; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 961 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 962 return sti; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 963 ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 964 out_err: ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 965 kfree(sti); ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 966 return NULL; ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 967 } ^1da177e4c3f41 drivers/video/console/sticore.c Linus Torvalds 2005-04-16 968 :::::: The code at line 888 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torva...@ppc970.osdl.org> :::::: CC: Linus Torvalds <torva...@ppc970.osdl.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
