[Intel-gfx] [PATCH v2] drm/i915/perf: rate limit spurious oa report notice

2017-03-23 Thread Robert Bragg
This change is pre-emptively aiming to avoid a potential cause of kernel logging noise in case some condition were to result in us seeing invalid OA reports. The workaround for the OA unit's tail pointer race condition is what avoids the primary know cause of invalid reports being seen and with th

Re: [Intel-gfx] [PATCH v2] drm/i915/perf: rate limit spurious oa report notice

2017-03-27 Thread Matthew Auld
On 03/23, Robert Bragg wrote: > This change is pre-emptively aiming to avoid a potential cause of kernel > logging noise in case some condition were to result in us seeing invalid > OA reports. > > The workaround for the OA unit's tail pointer race condition is what > avoids the primary know cause