Re: [Intel-gfx] [PATCH 2/3] drm/i915/perf: better pipeline aged/aging tail updates

2017-02-28 Thread Matthew Auld
On 22 February 2017 at 15:25, Robert Bragg wrote: > This updates the tail pointer race workaround handling to updating the > 'aged' pointer before looking to start aging a new one. There's the > possibility that there is already new data available and so we can > immediately start aging a new poin

[Intel-gfx] [PATCH 2/3] drm/i915/perf: better pipeline aged/aging tail updates

2017-02-22 Thread Robert Bragg
This updates the tail pointer race workaround handling to updating the 'aged' pointer before looking to start aging a new one. There's the possibility that there is already new data available and so we can immediately start aging a new pointer without having to first wait for a later hrtimer callba