xserver without DDX video driver.

Alan Coopersmith alan.coopersmith at oracle.com
Thu Mar 17 11:17:19 PDT 2011

On 03/17/11 06:44 AM, kumar vemuri wrote:
>      The DDX video driver module loaded into the xserver talks to the
> DRM for its functionality. 

Some of them do, but not all of them.

> 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.

When Xorg is set to autoconfig, then it will try to fallback to another
video driver, usually vesa.   If no driver can be found, then it exits
with a fatal error.

	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System

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