On Sun, 25 Sep 2011 22:48:43 +0200, Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de> wrote:

> I bisected this to commit 9aa73a51c91cb0d0af4caaa9823969c1a1179a12.
> I played with the params that were inverted in that commit and if I
> change both or one of them via command line, there is no problem, the
> problem only occurs if both of them have the new values.

You should be good if you run the drm-intel-fixes branch of my repo at

        git://people.freedesktop.org/~keithp/linux

That disables FBC on your Ironlake GPU.

-- 
keith.packard@intel.com