tree 223069f02f6b0612d54217498c596c8e1bc3f1ce
parent eebc3fd6510d20bd4268d7eb3290cf1c1fe72260
author Simon Glass <sjg@chromium.org> 1479072127 -0700
committer Simon Glass <sjg@chromium.org> 1480121971 -0700

video: Track whether a display is in use

Mark a display as in use when display_enable() is called. This can avoid
a display being used by multiple video-output devices.

Signed-off-by: Simon Glass <sjg@chromium.org>