Hi Adrián,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master] [also build test ERROR on v6.11 next-20240927] [cannot apply to drm-misc/drm-misc-next] [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-panthor-in... base: linus/master patch link: https://lore.kernel.org/r/20240923230912.2207320-4-adrian.larumbe%40collabor... patch subject: [PATCH v8 3/5] drm/panthor: add DRM fdinfo support config: arm-randconfig-002-20240929 (https://download.01.org/0day-ci/archive/20240929/202409291048.zLqDeqpO-lkp@i...) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240929/202409291048.zLqDeqpO-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202409291048.zLqDeqpO-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from include/linux/math64.h:6, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from drivers/gpu/drm/panthor/panthor_drv.c:7: drivers/gpu/drm/panthor/panthor_drv.c: In function 'panthor_gpu_show_fdinfo':

...

drivers/gpu/drm/panthor/panthor_drv.c:1389:45: error: implicit declaration of function 'arch_timer_get_cntfrq' [-Wimplicit-function-declaration]

1389 | arch_timer_get_cntfrq())); | ^~~~~~~~~~~~~~~~~~~~~ include/linux/math.h:40:39: note: in definition of macro 'DIV_ROUND_DOWN_ULL' 40 | ({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; }) | ^~ drivers/gpu/drm/panthor/panthor_drv.c:1388:28: note: in expansion of macro 'DIV_ROUND_UP_ULL' 1388 | DIV_ROUND_UP_ULL((pfile->stats.time * NSEC_PER_SEC), | ^~~~~~~~~~~~~~~~

vim +/arch_timer_get_cntfrq +1389 drivers/gpu/drm/panthor/panthor_drv.c

1377 1378 static void panthor_gpu_show_fdinfo(struct panthor_device *ptdev, 1379 struct panthor_file *pfile, 1380 struct drm_printer *p) 1381 { 1382 if (ptdev->profile_mask & PANTHOR_DEVICE_PROFILING_ALL) 1383 panthor_fdinfo_gather_group_samples(pfile); 1384 1385 if (ptdev->profile_mask & PANTHOR_DEVICE_PROFILING_TIMESTAMP) { 1386 #ifdef CONFIG_ARM_ARCH_TIMER 1387 drm_printf(p, "drm-engine-panthor:\t%llu ns\n", 1388 DIV_ROUND_UP_ULL((pfile->stats.time * NSEC_PER_SEC),

1389 arch_timer_get_cntfrq()));

1390 #endif 1391 } 1392 if (ptdev->profile_mask & PANTHOR_DEVICE_PROFILING_CYCLES) 1393 drm_printf(p, "drm-cycles-panthor:\t%llu\n", pfile->stats.cycles); 1394 1395 drm_printf(p, "drm-maxfreq-panthor:\t%lu Hz\n", ptdev->fast_rate); 1396 drm_printf(p, "drm-curfreq-panthor:\t%lu Hz\n", ptdev->current_frequency); 1397 } 1398