Testing the new i915 driver

[Thomas Mueller]

> from my previous post, Michael Gmelin and Jean-S<E9>bastien P<E9>dron:

> >> I don't want to mess up by git-cloning from the wrong directory.
> >> Also, does this prevent future updates to src tree with svn?
 
> > This is a separate experimental source tree. You could copy it over an
> > existing source tree at the time of the fork (e.g. using tar, also
> > including .git) and then svn update on top of this as well as git pull,
> > but unless you have a good reason, that's not worth the effort/trouble
> > and you just go with that branch until the changes get merged into HEAD.

> Also, you don't need to buildworld from this i915 branch. Continue to
> use your regular Subversion-or-whatever tree for that.

So it looks like I keep the regular subversion src tree for buildworld and regular kernel.

Then I can make another directory, like /usr/src2 or /i915test, git-clone from there, and build and install the test kernel from there, adjusting MAKEOBJDIRPREFIX if necessary.

Tom