[Intel-gfx] [PATCH 10/15] drm/i915: Invalidate fenced read domains upon flush

[Ted Phelps]

Chris Wilson writes:
> Whenever we finish reading an object through a fence, for safety we
> clear any GPU read domain and so invalidate any TLBs associated with
> the fenced region upon its next use.

This change is causing a regression on my Sandybridge CPU (i7 2600K).
The colours all look right, but the pixels aren't in the right order.
I'll try to get a screen shot for you.

Thanks,
-Ted