Hi Adrián, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on linus/master v6.5 next-20230831] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Adri-n-Larumbe/drm-panfrost-Add-cycle-count-GPU-register-definitions/20230824-093848 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230824013604.466224-3-adrian.larumbe%40collabora.com patch subject: [PATCH v2 2/6] drm/panfrost: Add fdinfo support GPU load metrics config: s390-randconfig-001-20230902 (https://download.01.org/0day-ci/archive/20230902/202309021155.i3NPUDJi-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230902/202309021155.i3NPUDJi-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309021155.i3NPUDJi-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/panfrost/panfrost_drv.c:17: In file included from drivers/gpu/drm/panfrost/panfrost_device.h:9: In file included from include/linux/io-pgtable.h:6: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from drivers/gpu/drm/panfrost/panfrost_drv.c:17: In file included from drivers/gpu/drm/panfrost/panfrost_device.h:9: In file included from include/linux/io-pgtable.h:6: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from drivers/gpu/drm/panfrost/panfrost_drv.c:17: In file included from drivers/gpu/drm/panfrost/panfrost_device.h:9: In file included from include/linux/io-pgtable.h:6: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ >> drivers/gpu/drm/panfrost/panfrost_drv.c:552:17: warning: format specifies type 'unsigned int' but the argument has type 'unsigned long' [-Wformat] ei->name, pfdev->pfdevfreq.current_frequency); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 13 warnings generated. vim +552 drivers/gpu/drm/panfrost/panfrost_drv.c 534 535 536 static void panfrost_gpu_show_fdinfo(struct panfrost_device *pfdev, 537 struct panfrost_file_priv *panfrost_priv, 538 struct drm_printer *p) 539 { 540 int i; 541 542 for (i = 0; i < NUM_JOB_SLOTS - 1; i++) { 543 struct engine_info *ei = &panfrost_priv->fdinfo.engines[i]; 544 545 drm_printf(p, "drm-engine-%s:\t%llu ns\n", 546 ei->name, ei->elapsed_ns); 547 drm_printf(p, "drm-cycles-%s:\t%llu\n", 548 ei->name, ei->cycles); 549 drm_printf(p, "drm-maxfreq-%s:\t%u Hz\n", 550 ei->name, panfrost_priv->fdinfo.maxfreq); 551 drm_printf(p, "drm-curfreq-%s:\t%u Hz\n", > 552 ei->name, pfdev->pfdevfreq.current_frequency); 553 } 554 } 555 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
