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

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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@xxxxxxxxx/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@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/202409291048.zLqDeqpO-lkp@xxxxxxxxx/

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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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