On Thu, Jan 09, 2014 at 11:01:02AM +0530, akash.goel@xxxxxxxxx wrote: > From: Akash Goel <akash.goel@xxxxxxxxx> > > On VLV, 64MB of system memory was being reserved for stolen > area, but ~8MB of it was being utilized. > Increased the utilization of Stolen area by allocating > User created Frame buffers(only X Tiled) from it. > User Frame buffers are suitable for allocation from stolen area, > as its very unlikely that they are not accessed from CPU side. > And its even more unlikely that the Tiled(X) buffers will be > accessed directly from the CPU side. And any allocation > from stolen area is not directly CPU accessible, but > accessible only through the aperture space. > With 1080p sized frame buffers (32 bpp), the allocation of 6-7 > frame buffers itself gives almost the full utilization of > stolen area. This completely breaks the ABI. Nak. See the create2 ioctl. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
