[Intel-gfx] Fencing on the i915

[Chris Wilson]

On Mon, 2009-02-09 at 11:06 -0800, Jesse Barnes wrote:
> 0021-drm-i915-Flush-GPU-access-to-the-old-fence-on-i915.patch
> 
> Seems reasonable; I don't think removing the fence register will do anything 
> special, so waiting for the rendering to finish seems like a good idea.

Actually this chunk is now a no-op as we explicitly wait for rendering
and flushing of all i915 fenced buffers and so at that point we will
only be handling an inactive buffer.
-ickle