[PATCH 2/3] drm/i915: allow semaphores on SNB if DMAR is disabled

[ben at bwidawsk.net (Ben Widawsky)]

On Wed, Nov 16, 2011 at 10:17:54PM -0200, Eugeni Dodonov wrote:
> Semaphores cause issues when DMAR is enabled. So if we are set to per-chip
> default, and we are on SNB, we can enable semaphores as long as SMAR is
> disabled.
> 
> Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>

See my response to patch 3...