On Fri, Nov 22, 2013 at 10:38:41AM -0800, Eric Anholt wrote: > Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes: > > > We have conflicting benchmark data that suggest either age 0 or age 3 is > > better. However, the earlier benchmark on which we based the switch to > > age 0 > > > > (commit 0d8ff15e9a15f2b393e53337a107b7a1e5919b6d > > Author: Ben Widawsky <benjamin.widawsky@xxxxxxxxx> > > Date: Thu Jul 4 11:02:03 2013 -0700 > > > > drm/i915/hsw: Set correct Haswell PTE encodings) > > > > actually seems to prefer the default PTE encoding as age 3. Presumably, > > this is in part due to the use of MOCS to override the PTE encodings > > when appropriate. > > This bothered me when reviewing the kernel code for hsw. Thanks. > > Reviewed-by: Eric Anholt <eric@xxxxxxxxxx> > > Note that userspace doesn't currently set MOCS other than the L3 bit. > I'm hoping we end up not having to, since we don't have a WT option in > MOCS other than "just listen to the PTEs". Picked up for -fixes, thanks for the patch&review. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
