Armada DRM Driver Wires In Atomic Mode-Setting For Linux 4.19
Written by Michael Larabel in Linux Kernel on 1 August 2018 at 05:54 AM EDT. Add A Comment
LINUX KERNEL --
Adding to the big list of DRM driver changes for Linux 4.19 is atomic mode-setting for the Armada DRM driver.

The Armada DRM driver doesn't get talked about much but it's for Marvell SoCs and just supports kernel mode-setting and memory management but without any built-in acceleration code. The driver is for the "LCD" controllers on the Marvell Armada SoCs.

With the Linux 4.19 kernel, the Armada Direct Rendering Manager driver has transitioned from using the legacy mode-setting APIs to now using the atomic mode-setting paths used by Intel, RadeonSI, and others. Atomic mode-setting is much cleaner than the older approach, allows for testing of modes prior to applying, can reduce flickering in some instances, and also tends to be faster.

The Armada atomic mode-set support and other changes for this DRM display driver were queued via this pull into DRM-Next ahead of the Linux 4.19 kernel cycle.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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