[PATCH] [intel_iommu] Default to igfx_off

[Adam Jackson]

On Sat, 2010-04-17 at 12:36 +0200, drago01 wrote:
> This option seems to causes way to many issues, it is
> being investigated by Intel's chipset team for months now and
> we still don't have any outcome.
> 
> The results so far are "black screen when starting X",
> "system hangs when using GL", "system does not resume".
> 
> The patch adds an intel_iommu=igfx_on option, which makes it opt in,
> rather than opt out.
> 
> Signed-off-by: Adel Gadllah <adel.gadllah at gmail.com>

Applied (with trivial __initdata fix), thanks.  I hate to band-aid
things like this, but it's better than crashing.

- ajax