[PATCH] drm/i915: Allocate intel_engine_cs structure only for the enabled engines

[Chris Wilson]

On Wed, Jul 27, 2016 at 12:11:20PM +0530, akash.goel at intel.com wrote:
>  /* Iterator with engine_id */
> -#define for_each_engine_id(engine__, dev_priv__, id__) \
> -	for ((engine__) = &(dev_priv__)->engine[0], (id__) = 0; \
> -	     (engine__) < &(dev_priv__)->engine[I915_NUM_ENGINES]; \
> -	     (engine__)++) \
> -		for_each_if (((id__) = (engine__)->id, \
> -			      intel_engine_initialized(engine__)))
> +#define for_each_engine_id(engine__, dev_priv__, id__, iter__) \
> +	for ((iter__) = 0, (id__) = 0; \
> +	     ((iter__) < I915_NUM_ENGINES) && \
> +	     ((engine__) = (dev_priv__)->engine[(iter__)], true); \
> +	     (iter__)++) \
> +		for_each_if ((engine__) && ((id__) = (engine__)->id, true))

id == iter here.

This macro is replaced by the plain for_each_engine().
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre