On Friday, November 19th, 2021 at 16:53, Daniel Vetter [off-list ref] wrote:

Random idea ... should we perhaps let userspace connect the boosting? I.e.
we do a bunch of standardized boost targets (render clocks, display sr
exit), and userspace can then connect it to whichever input device it
wants to?

On IRC we discussed having user-space hand over a FD to the kernel. When the FD
becomes readable, the kernel triggers the boost.

This would let user-space use e.g. an input device, an eventfd, or an epoll FD
with any combination of these as the boost signal.