[Intel-gfx] [PATCH] drm/i915: Map the execlists context regs once during pinning

[Chris Wilson]

On Wed, May 20, 2015 at 02:12:37PM +0100, Chris Wilson wrote:
> When we pin the execlists context on queuing, it the ideal time to map
> the register page that we need to update when we submit the request to
> the hardware (and keep it around for future requests).
> 
> This avoids having to do an atomic kmap on every submission. On the
> other hand, it does depend upon correct request construction.

Obviously this is the wrong patch for this thread ;-)
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre