Re: [PATCH v8 3/5] drm/panthor: add DRM fdinfo support

kernel test robot
2024-09-29T00:26:07Z

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-introduce-job-cycle-and-timestamp-accounting/20240924-071018
base: linus/master
patch link: https://lore.kernel.org/r/20240923230912.2207320-4-adrian.larumbe%40collabora.com
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@intel.com/config)
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@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 <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

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