Re: [PATCH v3 10/17] drm/v3d: Detach the CSD job BO setup

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El lun, 27-11-2023 a las 15:48 -0300, Maíra Canal escribió:
> From: Melissa Wen <mwen@xxxxxxxxxx>
> 
> Detach CSD job setup from CSD submission ioctl to reuse it in CPU
> submission ioctl for indirect CSD job.
> 
> Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
> Co-developed-by: Maíra Canal <mcanal@xxxxxxxxxx>
> Signed-off-by: Maíra Canal <mcanal@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/v3d/v3d_submit.c | 68 ++++++++++++++++++++----------
> --
>  1 file changed, 42 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/gpu/drm/v3d/v3d_submit.c
> b/drivers/gpu/drm/v3d/v3d_submit.c
> index c134b113b181..eb26fe1e27e3 100644
> --- a/drivers/gpu/drm/v3d/v3d_submit.c
> +++ b/drivers/gpu/drm/v3d/v3d_submit.c
> @@ -256,6 +256,45 @@ v3d_attach_fences_and_unlock_reservation(struct
> drm_file *file_priv,
>         }
>  }
>  
> +static int
> +v3d_setup_csd_jobs_and_bos(struct drm_file *file_priv,
> +                          struct v3d_dev *v3d,
> +                          struct drm_v3d_submit_csd *args,
> +                          struct v3d_csd_job **job,
> +                          struct v3d_job **clean_job,
> +                          struct v3d_submit_ext *se,
> +                          struct ww_acquire_ctx *acquire_ctx)
> +{
> +       int ret;
> +
> +       ret = v3d_job_allocate((void *)job, sizeof(**job));
> +       if (ret)
> +               return ret;
> +
> +       ret = v3d_job_init(v3d, file_priv, &(*job)->base,
> +                          v3d_job_free, args->in_sync, se, V3D_CSD);
> +       if (ret)


We should free the job here.

> +               return ret;
> +
> +       ret = v3d_job_allocate((void *)clean_job,
> sizeof(**clean_job));
> +       if (ret)
> +               return ret;
> +
> +       ret = v3d_job_init(v3d, file_priv, *clean_job,
> +                          v3d_job_free, 0, NULL, V3D_CACHE_CLEAN);
> +       if (ret)

We should free job and clean_job here.

> +               return ret;
> +
> +       (*job)->args = *args;
> +
> +       ret = v3d_lookup_bos(&v3d->drm, file_priv, *clean_job,
> +                            args->bo_handles, args-
> >bo_handle_count);
> +       if (ret)

Same here.

I think we probably want to have a fail label where we do this and just
jump there from all the paths I mentioned above.

> +               return ret;
> +
> +       return v3d_lock_bo_reservations(*clean_job, acquire_ctx);
> +}
> +
>  static void
>  v3d_put_multisync_post_deps(struct v3d_submit_ext *se)
>  {
> @@ -700,32 +739,9 @@ v3d_submit_csd_ioctl(struct drm_device *dev,
> void *data,
>                 }
>         }
>  
> -       ret = v3d_job_allocate((void *)&job, sizeof(*job));
> -       if (ret)
> -               return ret;
> -
> -       ret = v3d_job_init(v3d, file_priv, &job->base,
> -                          v3d_job_free, args->in_sync, &se,
> V3D_CSD);
> -       if (ret)
> -               goto fail;
> -
> -       ret = v3d_job_allocate((void *)&clean_job,
> sizeof(*clean_job));
> -       if (ret)
> -               goto fail;
> -
> -       ret = v3d_job_init(v3d, file_priv, clean_job,
> -                          v3d_job_free, 0, NULL, V3D_CACHE_CLEAN);
> -       if (ret)
> -               goto fail;
> -
> -       job->args = *args;
> -
> -       ret = v3d_lookup_bos(dev, file_priv, clean_job,
> -                            args->bo_handles, args-
> >bo_handle_count);
> -       if (ret)
> -               goto fail;
> -
> -       ret = v3d_lock_bo_reservations(clean_job, &acquire_ctx);
> +       ret = v3d_setup_csd_jobs_and_bos(file_priv, v3d, args,
> +                                        &job, &clean_job, &se,
> +                                        &acquire_ctx);
>         if (ret)
>                 goto fail;
>  





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