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Linux Foundation

Linux DRM: New Picture Processing API for Embedded Systems

Linux Foundation via YouTube

Overview

Explore the new Picture Processing API for Linux Direct Rendering Manager (DRM) in this 46-minute conference talk. Dive into the evolution of the DRM framework with Kernel Mode Setting (KMS) as a generic API for graphics display stacks. Learn about recent extensions like atomic mode setting and universal planes that expose graphics display subsystem features to generic applications. Discover the proposal for a unified approach to accessing picture processing hardware blocks, moving away from vendor-specific extensions. Gain insights into KMS objects, DRM objects and properties, atomic KMS API, image buffers, and image processing operations. Examine technical details, including DRM_IOCTL_MODE_GETFBPROC, FB Processor properties, and example application code. Presented by Marek Szyprowski, a Linux kernel developer at Samsung R&D Institute, this talk offers valuable knowledge for developers working with embedded systems and graphics hardware in Linux environments.

Syllabus

Intro
Linux DRM subsystem
Kemel Mode Setting
Quick Introduction to KMS Objects (1/2)
DRM objects and properties
Atomic KMS API
Image buffer
Image processing operation
Technical Detail
DRM_IOCTL_MODE_GETFBPROC (1/2)
FB Processor: properties of operation
Example application code (3/4)
Summary

Taught by

Linux Foundation

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