On 2010.12.15 10:05:01 +0000, Chris Wilson wrote: > On Wed, 15 Dec 2010 11:14:53 +0800, Zhenyu Wang <zhen...@linux.intel.com> > wrote: > > > > Chris, just notice you removed pipe control notify entirely on -next, > > that seems wrong to me. In Ironlake time, we've seen interrupt stall issue > > with user interrupt, and be warned user interrupt is deprecated, so we moved > > on to use pipe control notify, although there's a workaround later covered > > that's required on Ironlake. But it's stable finally. And for sandybridge, > > there's no such workaround needed. > > The answer to this is to make sure that such details are kept in the > code comments, especially if such information is not readily available > in the documentation.
yeah, also our spec might not have been updated as well...I'll send the BUN doc for that to you. -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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