On Fri, Mar 2, 2012 at 23:53, Rob Clark rob.cl...@linaro.org wrote:
nitially the expectation was that userspace would not pass a buffer
to multiple subsystems for writing (or that if it did, it would get
the undefined results that one could expect).. so dealing w/
synchronization was punted.
On Thu, 1 Mar 2012 16:36:00 +0100, Daniel Vetter daniel.vet...@ffwll.ch
wrote:
Big differences to other contenders in the field (like ion) is
that this also supports highmem, so we have to split up the cpu
access from the kernel side into a prepare and a kmap step.
Prepare is allowed to
On Fri, Mar 2, 2012 at 4:38 PM, Chris Wilson ch...@chris-wilson.co.uk wrote:
On Thu, 1 Mar 2012 16:36:00 +0100, Daniel Vetter daniel.vet...@ffwll.ch
wrote:
Big differences to other contenders in the field (like ion) is
that this also supports highmem, so we have to split up the cpu
access