DRM_I915_VBLANK_PIPE_B 670 include/uapi/drm/i915_drm.h #define DRM_I915_VBLANK_PIPE_B 2 DRM_I915_VBLANK_PIPE_B 670 tools/include/uapi/drm/i915_drm.h #define DRM_I915_VBLANK_PIPE_B 2