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dpy_gfx_update_full is used to do the whole display surface update. This function is proposed by Gerd Hoffmann. Signed-off-by: Tina Zhang <tina.zhang@intel.com> Message-id: 1524820266-27079-2-git-send-email-tina.zhang@intel.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>