On 10 June 2015 at 15:25, Alexandre Courbot <[email protected]> wrote: > On Mon, Jun 8, 2015 at 10:43 PM, Alexandre Courbot <[email protected]> wrote: >> On Mon, Jun 8, 2015 at 8:04 PM, Ilia Mirkin <[email protected]> wrote: >>> A naive question from someone who knows nothing of icmd or bundles... Would >>> it be better to wait for both bits to become 0 (I.e. 0x6)? >> >> My understanding is that a method reaching the bottom half implies it >> has passed to upper half (whatever these halfs are, I need to dig into >> the doc to completely figure it out), and thus that while waiting for >> both bits would do no harm, it would not do any good either. >> >> Waiting on the bottom half is what downstream does, so I think this >> behavior is safe to apply to Nouveau. > > After checking, this seems to be correct. Upper half of the front-end > method pipeline corresponds to the decode stage, bottom half to > validate and emit. So we need to wait on the bottom half to be sure > methods are emitted. These docs should totally make it to download.nvidia.com/open-gpu/doc ;)
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