Atari, Amiga Improvements For Xfbdev
Written by Michael Larabel in X.Org on 28 March 2013 at 12:37 PM EDT. 1 Comment
A set of 18 patches were published on Wednesday to improve the X.Org's Xfbdev frame-buffer device X server for old Atari and Amiga hardware.

The patches enable all non-packed frame-buffer layouts to use ShadowFB acceleration and evdev is used rather than the broken KDrive keyboard driver. With Atari, 1/4/8 bpp modes now work while 2 bpp isn't yet supported. On Amiga, 1/4/8 bpp also work while 2/3/4/5/7 bpp modes are not yet supported and there's also some keyboard mapping issues.

Uytterhoeven says about his Xfbdev patches, "I haven't benchmarked it yet against XF68_FBDev 3.6, but it's unusable slow on my Amiga 4000/040, even for just moving the mouse pointer. May be due to excessive TLS syscalls with recent glibc. It is usable on ARAnyM on Intel Core 2 Quad."

For those interested in this Xfbdev support for vintage hardware, see the mailing list patches.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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