[Intel-gfx] [PATCH 5/6] drm/i915: Add the CPU mapping of the hw context to the pinned items.

[Chris Wilson]

On Tue, Oct 20, 2015 at 10:23:55AM +0100, Nick Hoath wrote:
> Pin the hw ctx mapping so that it is not mapped/unmapped per bb
> when doing GuC submission.
> 
> v2: Removed interim development extra mapping. (Daniel Vetter)

You've missed the point here. I've shown how to do kmapping once neatly,
what you need the unbind callback for is to amoritize the cost of the
ioremap.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre