I915_PARAM_SUBSLICE_TOTAL 501 include/uapi/drm/i915_drm.h #define I915_PARAM_SUBSLICE_TOTAL 33 I915_PARAM_SUBSLICE_TOTAL 501 tools/include/uapi/drm/i915_drm.h #define I915_PARAM_SUBSLICE_TOTAL 33