On Thu, Apr 12, 2012 at 12:23:47PM -0700, Ben Widawsky wrote: > On Wed, 11 Apr 2012 22:12:47 +0200 > Daniel Vetter <daniel.vetter at ffwll.ch> wrote: > > > Eventually we want to scale the ring size depending upon available > > gtt space. For now just consolidate this instead of replicating it > > over all ringbuffer templates. > > > > Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> > > --- > > Definitely in the bikeshed category: > Why not just make it a macro and scrap the member in struct > intel_ring_buffer? 830/845 need a workaround to reduce the effective ringbuffer size by 2 cachelines. And as alluded in the commit-message, we want to make this slightly more dynamic. All this pipe_control workarounds eat away way too much ringbuffer space :( -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
