fbcond: Make sure we never block on the graphics driver
To prevent deadlocks if the graphics driver in turn tries to write to fbcond for log messages.
Required for handing off full control of the GPU to virtio-gpud in a future PR for redox#1428.
To prevent deadlocks if the graphics driver in turn tries to write to fbcond for log messages.
Required for handing off full control of the GPU to virtio-gpud in a future PR for redox#1428.