On Tue, 12 Apr 2011 15:42:06 -0700, Kenneth Graunke <kenn...@whitecape.org> wrote: > Since we never enable the GS on Sandybridge, there's no need to allocate > it any URB space. > > Furthermore, the previous calculation was incorrect: it neglected to > multiply by nr_vs_entries, instead comparing whether twice the size of > a single VS URB entry was bigger than the entire URB space. It also > neglected to take into account that vs_size is in units of 128 byte > blocks, while urb_size is in bytes. > > Despite the above problems, the calculations resulted in an acceptable > programming of the URB in most cases, at least on GT2. > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
The logic all looks good to me. Reviewed-by: Eric Anholt <e...@anholt.net>
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