On Thu, Jan 09, 2014 at 04:56:39PM +0530, [email protected] wrote: > From: Akash Goel <[email protected]> > > Using MMIO based flips now on VLV for Media power well residency optimization. > The blitter ring is currently being used just for the command streamer based > flip calls. For pure 3D workloads, with MMIO flips, there will be no use of > blitter ring and this will ensure the 100% residency in D0i3 for Media well. > The other alternative of having Render ring based flip calls is not being > used, > as that option adversly affects the performance (FPS) of certain 3D Apps
Rather exporting deep magic from i915_gem, just emit the request after the mmio flip and use the normal signalling mechanisms. There are other users who could also use a request after a flip. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
