[PATCH] EXA support for i830 (for real this time!)

Adam Jackson ajax at nwnk.net
Wed Aug 31 10:06:52 PDT 2005

On Wednesday 31 August 2005 04:51, Alan Hourihane wrote:
> On Sun, 2005-08-28 at 21:48 -0700, Jesse Barnes wrote:
> > This one addresses the cleanup aspect of things (yay lots of #ifdefs
> > removed!)--I've adding i830_xaa.c and i830_exa.c files and fixed up
> > some other related stuff.  I tested Xv and it's busted but haven't
> > fixed and tested dual head yet.  So this is more of a checkpoint than
> > anything else.
> Jesse,
> Another problem with your patch is the use of I830_USE_XAA and
> I830_USE_EXA where you should really be using pI830->useEXA.

In general, I would prefer that EXA patches not attempt to also conditionalize 
XAA out at compile time.  We don't want to even give people the option of 
disabling XAA for at least a release cycle.

I want to be able to look at a patch and see all the conditionalization 
happening based on runtime flags.  If I have to learn news ifdefs to follow 
the code too, I'm much less likely to understand it when I read it, and that 
makes me less likely to want to merge it.

- ajax
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