xserver without DDX video driver.

Adam Jackson ajax at nwnk.net
Thu Mar 17 11:03:34 PDT 2011

On Thu, 2011-03-17 at 06:44 -0700, kumar vemuri wrote:

> a. What happens when the video driver is not available? Am guessing that
> the xserver will fallback to a s/w mode in the absence of 2D
> acceleration/2D driver (GPU). If this is true, can someone point me to
> the source code in xserver of this s/w fallback routines/functions.

If there's no video driver, Xorg will not run.  If you want a video
driver without a physical video device behind it, use the dummy driver.

> b. Also, does this s/w fallback part talk to the DRM (just like the 2D
> driver does)?

No, the software renderer is completely self-contained.

- ajax
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