Re: [PATCH v3 1/4] drm/sched: store the drm_device instead of the device

[kernel test robot <lkp@intel.com>]

Hi Pierre-Eric,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.10-rc2 next-20240607]
[cannot apply to drm-xe/drm-xe-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/Pierre-Eric-Pelloux-Prayer/drm-sched-store-the-drm_device-instead-of-the-device/20240606-211050
base:   linus/master
patch link:    https://lore.kernel.org/r/20240606130629.214827-2-pierre-eric.pelloux-prayer%40amd.com
patch subject: [PATCH v3 1/4] drm/sched: store the drm_device instead of the device
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240608/202406080802.ExIh6NC2-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240608/202406080802.ExIh6NC2-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/202406080802.ExIh6NC2-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/imagination/pvr_queue.c:8:
   In file included from drivers/gpu/drm/imagination/pvr_context.h:17:
   In file included from drivers/gpu/drm/imagination/pvr_device.h:9:
   In file included from drivers/gpu/drm/imagination/pvr_fw.h:8:
   In file included from drivers/gpu/drm/imagination/pvr_fw_trace.h:7:
   In file included from include/drm/drm_file.h:39:
   In file included from include/drm/drm_prime.h:37:
   In file included from include/linux/scatterlist.h:8:
   In file included from include/linux/mm.h:2253:
   include/linux/vmstat.h:500:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
     500 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     501 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:507:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
     507 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     508 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:514:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:519:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
     519 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     520 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:528:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
     528 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     529 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/imagination/pvr_queue.c:807:10: error: incompatible pointer types passing 'struct drm_device *' to parameter of type 'const struct device *' [-Werror,-Wincompatible-pointer-types]
     807 |         dev_err(sched->dev, "Job timeout\n");
         |                 ^~~~~~~~~~
   include/linux/dev_printk.h:154:44: note: expanded from macro 'dev_err'
     154 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                   ^~~
   include/linux/dev_printk.h:110:11: note: expanded from macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                         ^~~
   include/linux/dev_printk.h:50:36: note: passing argument to parameter 'dev' here
      50 | void _dev_err(const struct device *dev, const char *fmt, ...);
         |                                    ^
   6 errors generated.


vim +807 drivers/gpu/drm/imagination/pvr_queue.c

eaf01ee5ba28b9 Sarah Walker 2023-11-22  787  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  788  /**
eaf01ee5ba28b9 Sarah Walker 2023-11-22  789   * pvr_queue_timedout_job() - Handle a job timeout event.
eaf01ee5ba28b9 Sarah Walker 2023-11-22  790   * @s_job: The job this timeout occurred on.
eaf01ee5ba28b9 Sarah Walker 2023-11-22  791   *
eaf01ee5ba28b9 Sarah Walker 2023-11-22  792   * FIXME: We don't do anything here to unblock the situation, we just stop+start
eaf01ee5ba28b9 Sarah Walker 2023-11-22  793   * the scheduler, and re-assign parent fences in the middle.
eaf01ee5ba28b9 Sarah Walker 2023-11-22  794   *
eaf01ee5ba28b9 Sarah Walker 2023-11-22  795   * Return:
eaf01ee5ba28b9 Sarah Walker 2023-11-22  796   *  * DRM_GPU_SCHED_STAT_NOMINAL.
eaf01ee5ba28b9 Sarah Walker 2023-11-22  797   */
eaf01ee5ba28b9 Sarah Walker 2023-11-22  798  static enum drm_gpu_sched_stat
eaf01ee5ba28b9 Sarah Walker 2023-11-22  799  pvr_queue_timedout_job(struct drm_sched_job *s_job)
eaf01ee5ba28b9 Sarah Walker 2023-11-22  800  {
eaf01ee5ba28b9 Sarah Walker 2023-11-22  801  	struct drm_gpu_scheduler *sched = s_job->sched;
eaf01ee5ba28b9 Sarah Walker 2023-11-22  802  	struct pvr_queue *queue = container_of(sched, struct pvr_queue, scheduler);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  803  	struct pvr_device *pvr_dev = queue->ctx->pvr_dev;
eaf01ee5ba28b9 Sarah Walker 2023-11-22  804  	struct pvr_job *job;
eaf01ee5ba28b9 Sarah Walker 2023-11-22  805  	u32 job_count = 0;
eaf01ee5ba28b9 Sarah Walker 2023-11-22  806  
eaf01ee5ba28b9 Sarah Walker 2023-11-22 @807  	dev_err(sched->dev, "Job timeout\n");
eaf01ee5ba28b9 Sarah Walker 2023-11-22  808  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  809  	/* Before we stop the scheduler, make sure the queue is out of any list, so
eaf01ee5ba28b9 Sarah Walker 2023-11-22  810  	 * any call to pvr_queue_update_active_state_locked() that might happen
eaf01ee5ba28b9 Sarah Walker 2023-11-22  811  	 * until the scheduler is really stopped doesn't end up re-inserting the
eaf01ee5ba28b9 Sarah Walker 2023-11-22  812  	 * queue in the active list. This would cause
eaf01ee5ba28b9 Sarah Walker 2023-11-22  813  	 * pvr_queue_signal_done_fences() and drm_sched_stop() to race with each
eaf01ee5ba28b9 Sarah Walker 2023-11-22  814  	 * other when accessing the pending_list, since drm_sched_stop() doesn't
eaf01ee5ba28b9 Sarah Walker 2023-11-22  815  	 * grab the job_list_lock when modifying the list (it's assuming the
eaf01ee5ba28b9 Sarah Walker 2023-11-22  816  	 * only other accessor is the scheduler, and it's safe to not grab the
eaf01ee5ba28b9 Sarah Walker 2023-11-22  817  	 * lock since it's stopped).
eaf01ee5ba28b9 Sarah Walker 2023-11-22  818  	 */
eaf01ee5ba28b9 Sarah Walker 2023-11-22  819  	mutex_lock(&pvr_dev->queues.lock);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  820  	list_del_init(&queue->node);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  821  	mutex_unlock(&pvr_dev->queues.lock);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  822  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  823  	drm_sched_stop(sched, s_job);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  824  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  825  	/* Re-assign job parent fences. */
eaf01ee5ba28b9 Sarah Walker 2023-11-22  826  	list_for_each_entry(job, &sched->pending_list, base.list) {
eaf01ee5ba28b9 Sarah Walker 2023-11-22  827  		job->base.s_fence->parent = dma_fence_get(job->done_fence);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  828  		job_count++;
eaf01ee5ba28b9 Sarah Walker 2023-11-22  829  	}
eaf01ee5ba28b9 Sarah Walker 2023-11-22  830  	WARN_ON(atomic_read(&queue->in_flight_job_count) != job_count);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  831  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  832  	/* Re-insert the queue in the proper list, and kick a queue processing
eaf01ee5ba28b9 Sarah Walker 2023-11-22  833  	 * operation if there were jobs pending.
eaf01ee5ba28b9 Sarah Walker 2023-11-22  834  	 */
eaf01ee5ba28b9 Sarah Walker 2023-11-22  835  	mutex_lock(&pvr_dev->queues.lock);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  836  	if (!job_count) {
eaf01ee5ba28b9 Sarah Walker 2023-11-22  837  		list_move_tail(&queue->node, &pvr_dev->queues.idle);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  838  	} else {
eaf01ee5ba28b9 Sarah Walker 2023-11-22  839  		atomic_set(&queue->in_flight_job_count, job_count);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  840  		list_move_tail(&queue->node, &pvr_dev->queues.active);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  841  		pvr_queue_process(queue);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  842  	}
eaf01ee5ba28b9 Sarah Walker 2023-11-22  843  	mutex_unlock(&pvr_dev->queues.lock);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  844  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  845  	drm_sched_start(sched, true);
eaf01ee5ba28b9 Sarah Walker 2023-11-22  846  
eaf01ee5ba28b9 Sarah Walker 2023-11-22  847  	return DRM_GPU_SCHED_STAT_NOMINAL;
eaf01ee5ba28b9 Sarah Walker 2023-11-22  848  }
eaf01ee5ba28b9 Sarah Walker 2023-11-22  849  

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