DRM_IOCTL_SET_CLIENT_CAP 840 include/uapi/drm/drm.h #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap) DRM_IOCTL_SET_CLIENT_CAP 840 tools/include/uapi/drm/drm.h #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap)