Expose display timings via the mailbox
Expose display timings via the mailbox

FKMS wants to add the relevant modes for DPI and DSI displays,
and the VEC.
Plumbing required to expose the PV timings info for these displays,
and then added the mailbox call.

raspberrypi/userland,raspberrypi/userland,6by9/userland,6by9/userland,6by9/userland,raspberrypi/userland