Sep 20 – 24, 2021
US/Pacific timezone

Presentation timing deep dive

Sep 24, 2021, 7:45 AM
Microconference2/Virtual-Room (LPC Virtual)


LPC Virtual



Daniel Stone (Collabora)


Supporting predictable presentation timing for graphics and media usecases requires a great deal of plumbing through the stack, right up to userspace. Whilst some higher-level APIs have been discussed, there are a number of open questions including how to handle VRR, and how to support this with mailbox-type systems like KMS and Wayland. Outline the current state and wants from all the different angles, and discuss how we could come up with lower-level primitives which allow these systems to be built.

Primary author

Daniel Stone (Collabora)

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