[PATCH 1/2] drm/v3d: wait for all jobs to finish before unregistering

[Iago Toral]

El lun, 23-10-2023 a las 07:58 -0300, Maíra Canal escribió:
> Currently, we are only warning the user if the BIN or RENDER jobs
> don't
> finish before we unregister V3D. We must wait for all jobs to finish
> before unregistering. Therefore, warn the user if TFU or CSD jobs
> are not done by the time the driver is unregistered.
> 
> Signed-off-by: Maíra Canal <mcanal at igalia.com>
> ---
>  drivers/gpu/drm/v3d/v3d_gem.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/v3d/v3d_gem.c
> b/drivers/gpu/drm/v3d/v3d_gem.c
> index 2e94ce788c71..afa7d170d1ff 100644
> --- a/drivers/gpu/drm/v3d/v3d_gem.c
> +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> @@ -1072,6 +1072,8 @@ v3d_gem_destroy(struct drm_device *dev)
>          */
>         WARN_ON(v3d->bin_job);
>         WARN_ON(v3d->render_job);
> +       WARN_ON(v3d->tfu_job);
> +       WARN_ON(v3d->csd_job);

I guess we should do this for cache clean jobs too, right?

Iago

>  
>         drm_mm_takedown(&v3d->mm);
>