Once you are done bisecting, to return your system to the original state, you would simply reinstall the 2.8.1 package, the same way you did before, and restart the system. This will overwrite the driver installed via git.
Once you are done bisecting, to return your system to the original state, you would simply reinstall the 2.8.1 package, the same way you did before, and restart the system. This will overwrite the driver installed via git.