_DRM_VBLANK_SECONDARY 486 include/uapi/drm/drm.h _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ _DRM_VBLANK_SECONDARY 486 tools/include/uapi/drm/drm.h _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */