[Intel-gfx] [PATCH] RFC/RFT drm/i915/oa: Drop aging-tail

[Lionel Landwerlin]

On 19/02/2019 10:28, Chris Wilson wrote:
>    */
>   void i915_perf_init(struct drm_i915_private *dev_priv)
>   {
> +	if (!i915_has_memcpy_from_wc())
> +		return;
> +

Does this put restrictions on particular platforms or is it just a 
compiler feature?


-Lionel