On 17 December 2013 13:05, Kenneth Graunke <[email protected]> wrote:
> Broadwell allows us to specify an arbitrary value for QPitch, rather > than baking a specific formula into the hardware and requiring software > to lay things out to match. The only restriction is that the software > provided QPitch needs to be large enough so successive array slices do > not overlap. > > In order to support this flexibility, software needs to specify QPitch > in a bunch of packets. Storing QPitch makes that easy, and allows us to > adjust it in a single place should we wish to change it in the future. > > Signed-off-by: Kenneth Graunke <[email protected]> > Cc: Eric Anholt <[email protected]> > Reviewed-by: Paul Berry <[email protected]>
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