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

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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

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