[Intel-gfx] [PATCH 16/17] drm/i915: Enable userspace to opt-out of implicit fencing

[Chris Wilson]

On Tue, Aug 30, 2016 at 11:45:10AM +0300, Joonas Lahtinen wrote:
> On su, 2016-08-28 at 21:46 +0100, Chris Wilson wrote:
> > Userspace is faced with a dilemma. The kernel requires implicit fencing
> > to manage resource usage (we always must wait for the GPU to finish
> > before releasing its PTE) and for third parties. However, userspace may
> > wish to avoid this serialisation if it is either using explicit fencing
> > between parties and wants more fine-grained access to buffers (e.g. it
> > may partition the buffer between uses and track fences on ranges rather
> > than the implicit fences tracking the whole object). To whit, userspace
> 
> s/whit/with/?

It was meant to be whit, but apparently used incorrectly - "to whit"
doesn't mean quite what I thought it meant. s//It follows that/
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre