drivers/gpu/drm/scheduler/sched_main.c:266: warning: Function parameter or member 'result' not described in 'drm_sched_job_done'

From: kernel test robot
Date: Fri Nov 03 2023 - 00:07:17 EST


Hi Danilo,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 431f1051884e38d2a5751e4731d69b2ff289ee56
commit: b88baab828713ce0b49b185444b2ee83bed373a8 drm/nouveau: implement new VM_BIND uAPI
date: 3 months ago
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20231103/202311031154.zr7To6n0-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311031154.zr7To6n0-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/202311031154.zr7To6n0-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/scheduler/sched_main.c:266: warning: Function parameter or member 'result' not described in 'drm_sched_job_done'


vim +266 drivers/gpu/drm/scheduler/sched_main.c

08fb97de03aa22 Andrey Grodzovsky 2022-09-30 258
71173e787cab9d Luben Tuikov 2020-12-03 259 /**
71173e787cab9d Luben Tuikov 2020-12-03 260 * drm_sched_job_done - complete a job
71173e787cab9d Luben Tuikov 2020-12-03 261 * @s_job: pointer to the job which is done
71173e787cab9d Luben Tuikov 2020-12-03 262 *
71173e787cab9d Luben Tuikov 2020-12-03 263 * Finish the job's fence and wake up the worker thread.
71173e787cab9d Luben Tuikov 2020-12-03 264 */
539f9ee4b52a8b Christian König 2023-04-17 265 static void drm_sched_job_done(struct drm_sched_job *s_job, int result)
71173e787cab9d Luben Tuikov 2020-12-03 @266 {
71173e787cab9d Luben Tuikov 2020-12-03 267 struct drm_sched_fence *s_fence = s_job->s_fence;
71173e787cab9d Luben Tuikov 2020-12-03 268 struct drm_gpu_scheduler *sched = s_fence->sched;
71173e787cab9d Luben Tuikov 2020-12-03 269
71173e787cab9d Luben Tuikov 2020-12-03 270 atomic_dec(&sched->hw_rq_count);
f2f12eb9c32bc7 Christian König 2021-02-02 271 atomic_dec(sched->score);
71173e787cab9d Luben Tuikov 2020-12-03 272
71173e787cab9d Luben Tuikov 2020-12-03 273 trace_drm_sched_process_job(s_fence);
71173e787cab9d Luben Tuikov 2020-12-03 274
71173e787cab9d Luben Tuikov 2020-12-03 275 dma_fence_get(&s_fence->finished);
539f9ee4b52a8b Christian König 2023-04-17 276 drm_sched_fence_finished(s_fence, result);
71173e787cab9d Luben Tuikov 2020-12-03 277 dma_fence_put(&s_fence->finished);
71173e787cab9d Luben Tuikov 2020-12-03 278 wake_up_interruptible(&sched->wake_up_worker);
71173e787cab9d Luben Tuikov 2020-12-03 279 }
71173e787cab9d Luben Tuikov 2020-12-03 280

:::::: The code at line 266 was first introduced by commit
:::::: 71173e787cab9db4ca1fa6229477cb3d254bc285 drm/scheduler: Essentialize the job done callback

:::::: TO: Luben Tuikov <luben.tuikov@xxxxxxx>
:::::: CC: Christian König <christian.koenig@xxxxxxx>

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