drm/i915: add I915_PARAM_HAS_BSD2 to i915_getparam
This will let userland only try to use the new ring when the appropriate kernel is present v2: change the number to be consistent with upstream (Zhipeng) Signed-off-by: NZhipeng Gong <zhipeng.gong@intel.com> Reviewed--by: NRodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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