[RFC v2 01/13] drm/i915: Use provided dma_fence_is_chain

[Matthew Brost]

On Fri, May 09, 2025 at 04:33:40PM +0100, Tvrtko Ursulin wrote:
> Replace open-coded helper with the subsystem one.
> 

You probably can just send this one by itself as it good cleanup and
independent.

Reviewed-by: Matthew Brost <matthew.brost at intel.com>

> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at igalia.com>
> ---
>  drivers/gpu/drm/i915/gem/i915_gem_wait.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_wait.c b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
> index 7127e90c1a8f..991666fd9f85 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_wait.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
> @@ -106,11 +106,6 @@ static void fence_set_priority(struct dma_fence *fence,
>  	rcu_read_unlock();
>  }
>  
> -static inline bool __dma_fence_is_chain(const struct dma_fence *fence)
> -{
> -	return fence->ops == &dma_fence_chain_ops;
> -}
> -
>  void i915_gem_fence_wait_priority(struct dma_fence *fence,
>  				  const struct i915_sched_attr *attr)
>  {
> @@ -126,7 +121,7 @@ void i915_gem_fence_wait_priority(struct dma_fence *fence,
>  
>  		for (i = 0; i < array->num_fences; i++)
>  			fence_set_priority(array->fences[i], attr);
> -	} else if (__dma_fence_is_chain(fence)) {
> +	} else if (dma_fence_is_chain(fence)) {
>  		struct dma_fence *iter;
>  
>  		/* The chain is ordered; if we boost the last, we boost all */
> -- 
> 2.48.0
>