I915_PARAM_HAS_COHERENT_RINGS 481 include/uapi/drm/i915_drm.h #define I915_PARAM_HAS_COHERENT_RINGS 13 I915_PARAM_HAS_COHERENT_RINGS 481 tools/include/uapi/drm/i915_drm.h #define I915_PARAM_HAS_COHERENT_RINGS 13