[PATCH 1/2] drm/scheduler: modify API to avoid redundancy

Nayan Deshmukh nayan26deshmukh at gmail.com
Thu Aug 9 08:59:41 UTC 2018


Hi Daniel,


On Thu, Aug 9, 2018 at 2:27 PM Daniel Vetter <daniel at ffwll.ch> wrote:
>
> On Fri, Jul 20, 2018 at 2:21 PM, Nayan Deshmukh
> <nayan26deshmukh at gmail.com> wrote:
> > entity has a scheduler field and we don't need the sched argument
> > in any of the functions where entity is provided.
> >
> > Signed-off-by: Nayan Deshmukh <nayan26deshmukh at gmail.com>
>
> This breaks the make htmldocs build a bit:
>
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:262: warning: Excess
> function parameter 'sched' description in 'drm_sched_entity_flush'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:303: warning: Excess
> function parameter 'sched' description in 'drm_sched_entity_fini'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:365: warning: Excess
> function parameter 'sched' description in 'drm_sched_entity_destroy'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:730: warning: Excess
> function parameter 'sched' description in 'drm_sched_job_init'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:263: warning: Excess
> function parameter 'sched' description in 'drm_sched_entity_flush'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:304: warning: Excess
> function parameter 'sched' description in 'drm_sched_entity_fini'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:366: warning: Excess
> function parameter 'sched' description in 'drm_sched_entity_destroy'
> ./drivers/gpu/drm/scheduler/gpu_scheduler.c:731: warning: Excess
> function parameter 'sched' description in 'drm_sched_job_init'
>
> Care to fix it?
My Bad thanks for pointing it out. I will send in a patch to fix it.

Cheers,
Nayan
>
> Thanks, Daniel
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c    |  2 +-
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c   | 13 +++++--------
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c   |  2 +-
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c   |  3 +--
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c   |  3 +--
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c   |  2 +-
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c    |  4 ++--
> >  drivers/gpu/drm/etnaviv/etnaviv_drv.c     |  3 +--
> >  drivers/gpu/drm/etnaviv/etnaviv_sched.c   |  4 ++--
> >  drivers/gpu/drm/scheduler/gpu_scheduler.c | 20 +++++++++++---------
> >  drivers/gpu/drm/v3d/v3d_drv.c             |  4 +---
> >  drivers/gpu/drm/v3d/v3d_gem.c             |  2 --
> >  include/drm/gpu_scheduler.h               | 10 +++-------
> >  13 files changed, 30 insertions(+), 42 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > index 7c5cc33d0cda..7e5ebf823309 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > @@ -1232,7 +1232,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
> >         job = p->job;
> >         p->job = NULL;
> >
> > -       r = drm_sched_job_init(&job->base, &ring->sched, entity, p->filp);
> > +       r = drm_sched_job_init(&job->base, entity, p->filp);
> >         if (r) {
> >                 amdgpu_job_free(job);
> >                 amdgpu_mn_unlock(p->mn);
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> > index 83e3b320a793..df6965761046 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> > @@ -104,8 +104,7 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
> >
> >  failed:
> >         for (j = 0; j < i; j++)
> > -               drm_sched_entity_destroy(&adev->rings[j]->sched,
> > -                                     &ctx->rings[j].entity);
> > +               drm_sched_entity_destroy(&ctx->rings[j].entity);
> >         kfree(ctx->fences);
> >         ctx->fences = NULL;
> >         return r;
> > @@ -178,8 +177,7 @@ static void amdgpu_ctx_do_release(struct kref *ref)
> >                 if (ctx->adev->rings[i] == &ctx->adev->gfx.kiq.ring)
> >                         continue;
> >
> > -               drm_sched_entity_destroy(&ctx->adev->rings[i]->sched,
> > -                       &ctx->rings[i].entity);
> > +               drm_sched_entity_destroy(&ctx->rings[i].entity);
> >         }
> >
> >         amdgpu_ctx_fini(ref);
> > @@ -466,8 +464,8 @@ void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr)
> >                         if (ctx->adev->rings[i] == &ctx->adev->gfx.kiq.ring)
> >                                 continue;
> >
> > -                       max_wait = drm_sched_entity_flush(&ctx->adev->rings[i]->sched,
> > -                                         &ctx->rings[i].entity, max_wait);
> > +                       max_wait = drm_sched_entity_flush(&ctx->rings[i].entity,
> > +                                                         max_wait);
> >                 }
> >         }
> >         mutex_unlock(&mgr->lock);
> > @@ -492,8 +490,7 @@ void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr)
> >                                 continue;
> >
> >                         if (kref_read(&ctx->refcount) == 1)
> > -                               drm_sched_entity_fini(&ctx->adev->rings[i]->sched,
> > -                                       &ctx->rings[i].entity);
> > +                               drm_sched_entity_fini(&ctx->rings[i].entity);
> >                         else
> >                                 DRM_ERROR("ctx %p is still alive\n", ctx);
> >                 }
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> > index 5a2c26a85984..631481a730e0 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> > @@ -133,7 +133,7 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
> >         if (!f)
> >                 return -EINVAL;
> >
> > -       r = drm_sched_job_init(&job->base, entity->sched, entity, owner);
> > +       r = drm_sched_job_init(&job->base, entity, owner);
> >         if (r)
> >                 return r;
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > index 13977ea6a097..913705d4dfd3 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > @@ -1925,8 +1925,7 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
> >                         return;
> >                 }
> >         } else {
> > -               drm_sched_entity_destroy(adev->mman.entity.sched,
> > -                                        &adev->mman.entity);
> > +               drm_sched_entity_destroy(&adev->mman.entity);
> >         }
> >
> >         /* this just adjusts TTM size idea, which sets lpfn to the correct value */
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > index 80b5c453f8c1..8e2c96da275e 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > @@ -305,8 +305,7 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
> >  {
> >         int i, j;
> >
> > -       drm_sched_entity_destroy(&adev->uvd.inst->ring.sched,
> > -                                &adev->uvd.entity);
> > +       drm_sched_entity_destroy(&adev->uvd.entity);
> >
> >         for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
> >                 kfree(adev->uvd.inst[j].saved_bo);
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> > index 86182c966ed6..b6ab4f5350c8 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> > @@ -221,7 +221,7 @@ int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
> >         if (adev->vce.vcpu_bo == NULL)
> >                 return 0;
> >
> > -       drm_sched_entity_destroy(&adev->vce.ring[0].sched, &adev->vce.entity);
> > +       drm_sched_entity_destroy(&adev->vce.entity);
> >
> >         amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
> >                 (void **)&adev->vce.cpu_addr);
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> > index 098dd1ba751a..74b4a28a41d6 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> > @@ -2642,7 +2642,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
> >         vm->root.base.bo = NULL;
> >
> >  error_free_sched_entity:
> > -       drm_sched_entity_destroy(&ring->sched, &vm->entity);
> > +       drm_sched_entity_destroy(&vm->entity);
> >
> >         return r;
> >  }
> > @@ -2779,7 +2779,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
> >                 spin_unlock_irqrestore(&adev->vm_manager.pasid_lock, flags);
> >         }
> >
> > -       drm_sched_entity_destroy(vm->entity.sched, &vm->entity);
> > +       drm_sched_entity_destroy(&vm->entity);
> >
> >         if (!RB_EMPTY_ROOT(&vm->va.rb_root)) {
> >                 dev_err(adev->dev, "still active bo inside vm\n");
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> > index 36414ba56b22..207532c05eb8 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> > @@ -78,8 +78,7 @@ static void etnaviv_postclose(struct drm_device *dev, struct drm_file *file)
> >                                 gpu->lastctx = NULL;
> >                         mutex_unlock(&gpu->lock);
> >
> > -                       drm_sched_entity_destroy(&gpu->sched,
> > -                                               &ctx->sched_entity[i]);
> > +                       drm_sched_entity_destroy(&ctx->sched_entity[i]);
> >                 }
> >         }
> >
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
> > index a74eb57af15b..590e44b0d963 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
> > @@ -118,8 +118,8 @@ int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity,
> >  {
> >         int ret;
> >
> > -       ret = drm_sched_job_init(&submit->sched_job, &submit->gpu->sched,
> > -                                sched_entity, submit->cmdbuf.ctx);
> > +       ret = drm_sched_job_init(&submit->sched_job, sched_entity,
> > +                                submit->cmdbuf.ctx);
> >         if (ret)
> >                 return ret;
> >
> > diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
> > index dac71e3b4514..a3b55c542025 100644
> > --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
> > +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
> > @@ -273,11 +273,12 @@ static void drm_sched_entity_kill_jobs_cb(struct dma_fence *f,
> >   *
> >   * Returns the remaining time in jiffies left from the input timeout
> >   */
> > -long drm_sched_entity_flush(struct drm_gpu_scheduler *sched,
> > -                          struct drm_sched_entity *entity, long timeout)
> > +long drm_sched_entity_flush(struct drm_sched_entity *entity, long timeout)
> >  {
> > +       struct drm_gpu_scheduler *sched;
> >         long ret = timeout;
> >
> > +       sched = entity->sched;
> >         if (!drm_sched_entity_is_initialized(sched, entity))
> >                 return ret;
> >         /**
> > @@ -312,10 +313,11 @@ EXPORT_SYMBOL(drm_sched_entity_flush);
> >   * entity and signals all jobs with an error code if the process was killed.
> >   *
> >   */
> > -void drm_sched_entity_fini(struct drm_gpu_scheduler *sched,
> > -                          struct drm_sched_entity *entity)
> > +void drm_sched_entity_fini(struct drm_sched_entity *entity)
> >  {
> > +       struct drm_gpu_scheduler *sched;
> >
> > +       sched = entity->sched;
> >         drm_sched_entity_set_rq(entity, NULL);
> >
> >         /* Consumption of existing IBs wasn't completed. Forcefully
> > @@ -373,11 +375,10 @@ EXPORT_SYMBOL(drm_sched_entity_fini);
> >   *
> >   * Calls drm_sched_entity_do_release() and drm_sched_entity_cleanup()
> >   */
> > -void drm_sched_entity_destroy(struct drm_gpu_scheduler *sched,
> > -                               struct drm_sched_entity *entity)
> > +void drm_sched_entity_destroy(struct drm_sched_entity *entity)
> >  {
> > -       drm_sched_entity_flush(sched, entity, MAX_WAIT_SCHED_ENTITY_Q_EMPTY);
> > -       drm_sched_entity_fini(sched, entity);
> > +       drm_sched_entity_flush(entity, MAX_WAIT_SCHED_ENTITY_Q_EMPTY);
> > +       drm_sched_entity_fini(entity);
> >  }
> >  EXPORT_SYMBOL(drm_sched_entity_destroy);
> >
> > @@ -740,10 +741,11 @@ EXPORT_SYMBOL(drm_sched_job_recovery);
> >   * Returns 0 for success, negative error code otherwise.
> >   */
> >  int drm_sched_job_init(struct drm_sched_job *job,
> > -                      struct drm_gpu_scheduler *sched,
> >                        struct drm_sched_entity *entity,
> >                        void *owner)
> >  {
> > +       struct drm_gpu_scheduler *sched = entity->sched;
> > +
> >         job->sched = sched;
> >         job->entity = entity;
> >         job->s_priority = entity->rq - sched->sched_rq;
> > diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
> > index 1dceba2b42fd..2a85fa68ffea 100644
> > --- a/drivers/gpu/drm/v3d/v3d_drv.c
> > +++ b/drivers/gpu/drm/v3d/v3d_drv.c
> > @@ -145,13 +145,11 @@ v3d_open(struct drm_device *dev, struct drm_file *file)
> >  static void
> >  v3d_postclose(struct drm_device *dev, struct drm_file *file)
> >  {
> > -       struct v3d_dev *v3d = to_v3d_dev(dev);
> >         struct v3d_file_priv *v3d_priv = file->driver_priv;
> >         enum v3d_queue q;
> >
> >         for (q = 0; q < V3D_MAX_QUEUES; q++) {
> > -               drm_sched_entity_destroy(&v3d->queue[q].sched,
> > -                                     &v3d_priv->sched_entity[q]);
> > +               drm_sched_entity_destroy(&v3d_priv->sched_entity[q]);
> >         }
> >
> >         kfree(v3d_priv);
> > diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
> > index b513f9189caf..9029590267aa 100644
> > --- a/drivers/gpu/drm/v3d/v3d_gem.c
> > +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> > @@ -552,7 +552,6 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
> >
> >         if (exec->bin.start != exec->bin.end) {
> >                 ret = drm_sched_job_init(&exec->bin.base,
> > -                                        &v3d->queue[V3D_BIN].sched,
> >                                          &v3d_priv->sched_entity[V3D_BIN],
> >                                          v3d_priv);
> >                 if (ret)
> > @@ -567,7 +566,6 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
> >         }
> >
> >         ret = drm_sched_job_init(&exec->render.base,
> > -                                &v3d->queue[V3D_RENDER].sched,
> >                                  &v3d_priv->sched_entity[V3D_RENDER],
> >                                  v3d_priv);
> >         if (ret)
> > diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
> > index 2205e89722f6..728346abcc81 100644
> > --- a/include/drm/gpu_scheduler.h
> > +++ b/include/drm/gpu_scheduler.h
> > @@ -286,12 +286,9 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
> >                           struct drm_sched_rq **rq_list,
> >                           unsigned int num_rq_list,
> >                           atomic_t *guilty);
> > -long drm_sched_entity_flush(struct drm_gpu_scheduler *sched,
> > -                          struct drm_sched_entity *entity, long timeout);
> > -void drm_sched_entity_fini(struct drm_gpu_scheduler *sched,
> > -                          struct drm_sched_entity *entity);
> > -void drm_sched_entity_destroy(struct drm_gpu_scheduler *sched,
> > -                          struct drm_sched_entity *entity);
> > +long drm_sched_entity_flush(struct drm_sched_entity *entity, long timeout);
> > +void drm_sched_entity_fini(struct drm_sched_entity *entity);
> > +void drm_sched_entity_destroy(struct drm_sched_entity *entity);
> >  void drm_sched_entity_push_job(struct drm_sched_job *sched_job,
> >                                struct drm_sched_entity *entity);
> >  void drm_sched_entity_set_rq(struct drm_sched_entity *entity,
> > @@ -302,7 +299,6 @@ struct drm_sched_fence *drm_sched_fence_create(
> >  void drm_sched_fence_scheduled(struct drm_sched_fence *fence);
> >  void drm_sched_fence_finished(struct drm_sched_fence *fence);
> >  int drm_sched_job_init(struct drm_sched_job *job,
> > -                      struct drm_gpu_scheduler *sched,
> >                        struct drm_sched_entity *entity,
> >                        void *owner);
> >  void drm_sched_hw_job_reset(struct drm_gpu_scheduler *sched,
> > --
> > 2.14.3
> >
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch


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