Function drm_ffi::mode::add_fb

pub fn add_fb(
    fd: RawFd, 
    width: u32, 
    height: u32, 
    pitch: u32, 
    bpp: u32, 
    depth: u32, 
    handle: u32
) -> Result<drm_mode_fb_cmd, Error>

Add a new framebuffer.