Frame-Buffer Log Driver Wants To Go Mainline
Written by Michael Larabel in Linux Kernel on 15 July 2012 at 05:06 PM EDT. 4 Comments
Linux Kernel
The FBLOG driver, which is a kernel frame-buffer driver just for displaying logs from the Linux kernel, continues to be revised and the code's author wants to push the driver into the mainline Linux kernel.

Last month I wrote about FBLOG as a kernel driver just for displaying logs that was written by David Herrmann -- the developer trying to kill VT support in the kernel (CONFIG_VT) and has been working on KMSCON and proposed Wayland with virtual terminals. In the past month, the FBLOG Linux driver has now undergone three revisions.

This driver to replace fbcon simply prints the kernel log to all connected frame-buffers. The third version of this code incorporates various fixes and improvements raised by developers in recent days. Herrmann says today on the kernel mailing list, "It would be nice if someone could tell me what tree this will go through or how I can get it into linux-next as I have no idea who is maintaining fbcon. If there are other major or minor issues, please tell me so I can work on them."

Besides what he's already done with the frame-buffer kernel log driver, David is looking at improving the render path using DMA-BUF and partial re-draws plus a panic handler.
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Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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