Hi Ville, First bad commit (maybe != root cause):
tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next head: 11cdc8f2bde4bc548da6f995556c4b7183431088 commit: dc6fcaaba5a5411237d042a26c4d46689f3346bb [7/10] drm/omap: Allow build with COMPILE_TEST=y config: powerpc64-randconfig-r131-20240513 (https://download.01.org/0day-ci/archive/20240513/202405132008.zkr6oycm-...@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240513/202405132008.zkr6oycm-...@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/202405132008.zkr6oycm-...@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/omapdrm/omap_gem.c:757:42: sparse: sparse: cast truncates >> bits from constant value (10000 becomes 0) drivers/gpu/drm/omapdrm/omap_gem.c: note: in included file (through include/linux/smp.h, include/linux/lockdep.h, include/linux/spinlock.h, ...): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true drivers/gpu/drm/omapdrm/omap_gem.c:1503:65: sparse: sparse: cast truncates bits from constant value (10000 becomes 0) vim +757 drivers/gpu/drm/omapdrm/omap_gem.c 8b6b569eac2e74 drivers/staging/omapdrm/omap_gem.c Rob Clark 2012-05-17 744 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 745 static int omap_gem_pin_tiler(struct drm_gem_object *obj) 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 746 { 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 747 struct omap_gem_object *omap_obj = to_omap_bo(obj); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 748 u32 npages = obj->size >> PAGE_SHIFT; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 749 enum tiler_fmt fmt = gem2fmt(omap_obj->flags); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 750 struct tiler_block *block; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 751 int ret; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 752 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 753 BUG_ON(omap_obj->block); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 754 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 755 if (omap_obj->flags & OMAP_BO_TILED_MASK) { 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 756 block = tiler_reserve_2d(fmt, omap_obj->width, omap_obj->height, 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 @757 PAGE_SIZE); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 758 } else { 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 759 block = tiler_reserve_1d(obj->size); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 760 } 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 761 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 762 if (IS_ERR(block)) { 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 763 ret = PTR_ERR(block); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 764 dev_err(obj->dev->dev, "could not remap: %d (%d)\n", ret, fmt); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 765 goto fail; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 766 } 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 767 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 768 /* TODO: enable async refill.. */ 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 769 ret = tiler_pin(block, omap_obj->pages, npages, omap_obj->roll, true); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 770 if (ret) { 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 771 tiler_release(block); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 772 dev_err(obj->dev->dev, "could not pin: %d\n", ret); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 773 goto fail; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 774 } 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 775 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 776 omap_obj->dma_addr = tiler_ssptr(block); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 777 omap_obj->block = block; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 778 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 779 DBG("got dma address: %pad", &omap_obj->dma_addr); 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 780 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 781 fail: 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 782 return ret; 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 783 } 86ad0397250c58 drivers/gpu/drm/omapdrm/omap_gem.c Ivaylo Dimitrov 2022-01-19 784 :::::: The code at line 757 was first introduced by commit :::::: 86ad0397250c585096d242dc3c0f774320ed1a80 drm: omapdrm: simplify omap_gem_pin :::::: TO: Ivaylo Dimitrov <ivo.g.dimitrov...@gmail.com> :::::: CC: Tomi Valkeinen <tomi.valkei...@ideasonboard.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
