[RFC] Explicit synchronization for Nouveau

2014-10-03 Thread Rom Lemarchand
Riley (CCed) and I will be at Plumbers in a couple weeks. There is a session on sync planned in the Android track, and of course we'll be available to chat. On Thu, Oct 2, 2014 at 1:44 PM, Daniel Vetter wrote: > On Thu, Oct 02, 2014 at 05:59:51PM +0300, Lauri Peltonen wrote: > > +Rom who seems

[Linaro-mm-sig] thoughts of looking at android fences

2013-11-01 Thread Rom Lemarchand
Sorry about the delay. Hopefully other people from Android will also chime in. We need the ability to merge sync fences and keep the sync_pt ordered: the idea behind sync timelines is that we promise an ordering of operations. Our reference device is Nexus 10: we need to make sure that any new

[Linaro-mm-sig] thoughts of looking at android fences

2013-11-07 Thread Rom Lemarchand
Hi Maarten, I tested your changes and needed the attached patch: behavior now seems equivalent as android sync. I haven't tested performance. The issue resolved by this patch happens when i_b < b->num_fences and i_a >= a->num_fences (or vice versa). Then, pt_a is invalid and so dereferencing

[Linaro-mm-sig] thoughts of looking at android fences

2013-11-08 Thread Rom Lemarchand
Let me run some benchmarks today, talk to people internally, and I'll let you know. On Nov 8, 2013 3:43 AM, "Maarten Lankhorst" wrote: > op 07-11-13 22:11, Rom Lemarchand schreef: > > Hi Maarten, I tested your changes and needed the attached patch: behavior > > now se

[Linaro-mm-sig] thoughts of looking at android fences

2013-11-11 Thread Rom Lemarchand
. On Fri, Nov 8, 2013 at 3:43 AM, Maarten Lankhorst < maarten.lankhorst at canonical.com> wrote: > op 07-11-13 22:11, Rom Lemarchand schreef: > > Hi Maarten, I tested your changes and needed the attached patch: behavior > > now seems equivalent as android sync. I haven