Kernel Mode-Setting (KMS) on Neo FreeRunner + Debian

Yorick Moko yorickmoko at gmail.com
Tue Aug 18 12:18:27 CEST 2009


On Tue, Aug 18, 2009 at 3:38 AM, Chris Samuel <chris at csamuel.org> wrote:

> I haven't seen anyone else post about this yet, but this looks really neat!
>
> (Found via Planet Ubuntu)
>
> http://losca.blogspot.com/2009/08/kernel-mode-setting-kms-on-neo.html
>
> # Forget AMD, Intel, NVIDIA! Thomas White's incredible work with Neo
> # FreeRunner's puny graphics dec...accelerator, Smedia Glamo 3362 is
> starting
> # to bear fruits.  [...]
> #
> # The camera shot on the right, running KMS-enabled X.org driver for the
> glamo
> # chip on my Debian installation (visible software matchbox-window-manager,
> # fbpanel, zhone), is a bit optimistic looking since Zhone happens to draw
> # correctly. A lot of the drawing is not yet synced correctly, which shows
> as
> # all text and images in eg. GTK applications being garbled. But as little
> as
> # two days ago one couldn't yet much launch applications without X
> crashing,
> # so the newest commits by Thomas were a big step forwards. I'm using
> Debian,
> # and he's not, so I try to find time to help in debugging even though I
> # really can't much help with the driver code.
> #
> # The driver is not just one piece of code, but consists of a kernel drm
> # driver (direct rendering manager) using GEM, libdrm support for the
> kernel
> # driver and finally the X.org driver supporting these other components and
> # offering buzz-words like DRI2. There is also a beginning of a Mesa 3D
> # driver, though it is so far just a skeleton driver since the
> 2D/KMS/EXA/DRM
> # parts are what should be done first before dwelling into the OpenGL
> realm.
> [...]
>
> Even has an excerpt from the X servers log file with:
>
> # (WW) Glamo(0): EXA hardware acceleration initialising
> # (II) EXA(0): Driver allocated offscreen pixmaps
> # (II) EXA(0): Driver registered support for the following operations:
> # (II) Solid
> # (II) Copy
> # (II) Glamo(0): Initialized EXA acceleration
>
> Thomas's own blog is here:
>
> http://www.bitwiz.org.uk/
>
> cheers,
> Chris
> --
>  Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC
>
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>
Three cheers for Thomas White!
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