[Intel-gfx] [PATCH v5 1/5] drm/i915/gt: Add intel_context_timeline_is_locked helper

[Andrzej Hajda]

On 12.04.2023 13:33, Andi Shyti wrote:
> We have:
>
>   - intel_context_timeline_lock()
>   - intel_context_timeline_unlock()
>
> In the next patches we will also need:
>
>   - intel_context_timeline_is_locked()
>
> Add it.
>
> Signed-off-by: Andi Shyti <andi.shyti at linux.intel.com>
> Cc: stable at vger.kernel.org
> Reviewed-by: Nirmoy Das <nirmoy.das at intel.com>

Reviewed-by: Andrzej Hajda <andrzej.hajda at intel.com>

Regards
Andrzej

> ---
>   drivers/gpu/drm/i915/gt/intel_context.h | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h
> index 48f888c3da083..f2f79ff0dfd1d 100644
> --- a/drivers/gpu/drm/i915/gt/intel_context.h
> +++ b/drivers/gpu/drm/i915/gt/intel_context.h
> @@ -270,6 +270,12 @@ static inline void intel_context_timeline_unlock(struct intel_timeline *tl)
>   	mutex_unlock(&tl->mutex);
>   }
>   
> +static inline void intel_context_assert_timeline_is_locked(struct intel_timeline *tl)
> +	__must_hold(&tl->mutex)
> +{
> +	lockdep_assert_held(&tl->mutex);
> +}
> +
>   int intel_context_prepare_remote_request(struct intel_context *ce,
>   					 struct i915_request *rq);
>