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Monday, October 5 • 16:00 - 16:50
Anatomy of an Atomic KMS Driver - Laurent Pinchart, Ideas on Board

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The DRM and KMS APIs have won in the Linux graphics ecosystem. Long gone are the days when KMS meant only a handful of desktop graphics drivers. As a side effect, new problems have been uncovered, and API extensions are being designed to address advanced use cases. Atomic updates is the latest significant of such extensions.

While the userspace API extension is simple, a lot of work went under the hood and the in-kernel KMS helpers went through major changes that are not trivial to implement in drivers. This talk will present KMS atomic updates and explain how to update KMS drivers to take advantage of the new API, using the Renesas rcar-du-drm driver as an example.

Speakers
avatar for Laurent Pinchart

Laurent Pinchart

Ideas on board, Ideas on board
Laurent Pinchart has been a Linux kernel developer since 2001. He has written media-related Linux drivers for consumer and embedded devices and is one of the V4L core developers. Laurent is the founder and owner of Ideas on Board, a company specialized in embedded Linux design and development. He has given | Linux kernel-related talks at the FOSDEM, LPC and ELC. He currently works with the Renesas Linux kernel team where he develops a wide... Read More →


Monday October 5, 2015 16:00 - 16:50
Liffey Meeting 2

Attendees (44)