I915_GEM_DOMAIN_VERTEX 868 include/uapi/drm/i915_drm.h #define I915_GEM_DOMAIN_VERTEX 0x00000020 I915_GEM_DOMAIN_VERTEX 868 tools/include/uapi/drm/i915_drm.h #define I915_GEM_DOMAIN_VERTEX 0x00000020