[PATCH 2/2] drm/sched: Rename to drm_sched_wakeup_if_can_queue()

[Alex Deucher]

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

On Thu, May 18, 2023 at 9:03 AM Luben Tuikov <luben.tuikov at amd.com> wrote:
>
> On 2023-05-17 19:35, Luben Tuikov wrote:
> > Rename drm_sched_wakeup() to drm_sched_wakeup_if_canqueue() since the former
> > is misleading, as it wakes up the GPU scheduler _only if_ more jobs can be
> > queued to the underlying hardware.
> >
> > This distinction is important to make, since the wake conditional in the GPU
> > scheduler thread wakes up when other conditions are also true, e.g. when there
> > are jobs to be cleaned. For instance, a user might want to wake up the
> > scheduler only because there are more jobs to clean, but whether we can queue
> > more jobs is irrelevant.
> >
> > v2: Separate "canqueue" to "can_queue". (Alex D.)
> >
> > Cc: Christian König <christian.koenig at amd.com>
> > Cc: Alex Deucher <Alexander.Deucher at amd.com>
> > Signed-off-by: Luben Tuikov <luben.tuikov at amd.com>
>
> ^ ping!
>
> Regards,
> Luben
>
> > ---
> >  drivers/gpu/drm/scheduler/sched_entity.c | 4 ++--
> >  drivers/gpu/drm/scheduler/sched_main.c   | 6 +++---
> >  include/drm/gpu_scheduler.h              | 2 +-
> >  3 files changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
> > index cfb433e9200586..68e807ae136ad8 100644
> > --- a/drivers/gpu/drm/scheduler/sched_entity.c
> > +++ b/drivers/gpu/drm/scheduler/sched_entity.c
> > @@ -342,7 +342,7 @@ static void drm_sched_entity_wakeup(struct dma_fence *f,
> >               container_of(cb, struct drm_sched_entity, cb);
> >
> >       drm_sched_entity_clear_dep(f, cb);
> > -     drm_sched_wakeup(entity->rq->sched);
> > +     drm_sched_wakeup_if_can_queue(entity->rq->sched);
> >  }
> >
> >  /**
> > @@ -565,7 +565,7 @@ void drm_sched_entity_push_job(struct drm_sched_job *sched_job)
> >               if (drm_sched_policy == DRM_SCHED_POLICY_FIFO)
> >                       drm_sched_rq_update_fifo(entity, submit_ts);
> >
> > -             drm_sched_wakeup(entity->rq->sched);
> > +             drm_sched_wakeup_if_can_queue(entity->rq->sched);
> >       }
> >  }
> >  EXPORT_SYMBOL(drm_sched_entity_push_job);
> > diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> > index 8739322c30321b..b352227a605538 100644
> > --- a/drivers/gpu/drm/scheduler/sched_main.c
> > +++ b/drivers/gpu/drm/scheduler/sched_main.c
> > @@ -860,12 +860,12 @@ static bool drm_sched_can_queue(struct drm_gpu_scheduler *sched)
> >  }
> >
> >  /**
> > - * drm_sched_wakeup - Wake up the scheduler when it is ready
> > - *
> > + * drm_sched_wakeup_if_can_queue - Wake up the scheduler
> >   * @sched: scheduler instance
> >   *
> > + * Wake up the scheduler if we can queue jobs.
> >   */
> > -void drm_sched_wakeup(struct drm_gpu_scheduler *sched)
> > +void drm_sched_wakeup_if_can_queue(struct drm_gpu_scheduler *sched)
> >  {
> >       if (drm_sched_can_queue(sched))
> >               wake_up_interruptible(&sched->wake_up_worker);
> > diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
> > index 31d1f5166c79fe..e95b4837e5a373 100644
> > --- a/include/drm/gpu_scheduler.h
> > +++ b/include/drm/gpu_scheduler.h
> > @@ -549,7 +549,7 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity,
> >                                     unsigned int num_sched_list);
> >
> >  void drm_sched_job_cleanup(struct drm_sched_job *job);
> > -void drm_sched_wakeup(struct drm_gpu_scheduler *sched);
> > +void drm_sched_wakeup_if_can_queue(struct drm_gpu_scheduler *sched);
> >  void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad);
> >  void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery);
> >  void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched);
>