[Intel-gfx] Suggestions on fixing fill_modes ioctl() delays under i915

[Chris Wilson]

On Mon, 16 Apr 2012 15:04:50 +0300, Dan Aloni <alonid at gmail.com> wrote:
> Now you might ask why it is annoying. Well, for instance, say you are
> debugging an SDL application. Those type of applications usually result in
> the GET_CONTROLLERS ioctl() being called by the X server, and re-running
> the same application in a development cycle makes this issue
> quite noticeable.

The actual problem here is the application requesting a probe of all
outputs rather than the list of current outputs.
See RRGetScreenResourcesCurrent.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre