[Intel-gfx] [PATCH v4 2/5] drm/i915/gt: Add intel_context_timeline_is_locked helper

[Das, Nirmoy]

On 3/8/2023 10:41 AM, 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>


> ---
>   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 f919a66cebf5b..87d5e2d60b6db 100644
> --- a/drivers/gpu/drm/i915/gt/intel_context.h
> +++ b/drivers/gpu/drm/i915/gt/intel_context.h
> @@ -265,6 +265,12 @@ 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);
>