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

2013-10-09 Thread Maarten Lankhorst
Hey, op 08-10-13 19:37, John Stultz schreef: > On Wed, Oct 2, 2013 at 11:13 AM, Erik Gilling wrote: >> On Wed, Oct 2, 2013 at 12:35 AM, Maarten Lankhorst >> wrote: >>> Depending on feedback I'll try reflashing my nexus 7 to stock android, and >>> work on trying to convert android >>> syncpoint

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

2013-10-08 Thread Rob Clark
On Tue, Oct 8, 2013 at 1:37 PM, John Stultz wrote: > On Wed, Oct 2, 2013 at 11:13 AM, Erik Gilling wrote: >> On Wed, Oct 2, 2013 at 12:35 AM, Maarten Lankhorst >> wrote: >>> Depending on feedback I'll try reflashing my nexus 7 to stock android, and >>> work on trying to convert android >>> sync

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

2013-10-08 Thread Rob Clark
On Wed, Oct 2, 2013 at 2:13 PM, Erik Gilling wrote: >> The lock is provided by the driver, which makes adding support for old >> hardware that has no reliable way of notifying completion of events easier. > > I'm a bit confused here how it's possible to implement sync on > hardware with "no relia

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

2013-10-08 Thread John Stultz
On Wed, Oct 2, 2013 at 11:13 AM, Erik Gilling wrote: > On Wed, Oct 2, 2013 at 12:35 AM, Maarten Lankhorst > wrote: >> Depending on feedback I'll try reflashing my nexus 7 to stock android, and >> work on trying to convert android >> syncpoints to dma-fence, which I'll probably rename to syncpoin

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

2013-10-02 Thread Erik Gilling
On Wed, Oct 2, 2013 at 12:35 AM, Maarten Lankhorst wrote: > The timeline is similar to what I called a fence context. Each command stream > on a gpu can have a context. Because > nvidia hardware can have 4095 separate timelines, I didn't want to keep the > bookkeeping for each timeline, although