Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-19 Thread Dixit, Ashutosh
On Mon, 19 Sep 2022 14:21:07 -0700, Umesh Nerlige Ramappa wrote: > > On Fri, Sep 16, 2022 at 02:00:19PM -0700, Dixit, Ashutosh wrote: > > On Fri, 16 Sep 2022 13:25:17 -0700, Umesh Nerlige Ramappa wrote: > >> > >> On Fri, Sep 16, 2022 at 12:57:19PM -0700, Dixit, Ashutosh wrote: > >> > On Fri, 16

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-19 Thread Umesh Nerlige Ramappa
On Fri, Sep 16, 2022 at 02:00:19PM -0700, Dixit, Ashutosh wrote: On Fri, 16 Sep 2022 13:25:17 -0700, Umesh Nerlige Ramappa wrote: On Fri, Sep 16, 2022 at 12:57:19PM -0700, Dixit, Ashutosh wrote: > On Fri, 16 Sep 2022 11:56:04 -0700, Umesh Nerlige Ramappa wrote: >> >> On Thu, Sep 15, 2022 at

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-16 Thread Dixit, Ashutosh
On Fri, 16 Sep 2022 13:25:17 -0700, Umesh Nerlige Ramappa wrote: > > On Fri, Sep 16, 2022 at 12:57:19PM -0700, Dixit, Ashutosh wrote: > > On Fri, 16 Sep 2022 11:56:04 -0700, Umesh Nerlige Ramappa wrote: > >> > >> On Thu, Sep 15, 2022 at 10:16:30PM -0700, Dixit, Ashutosh wrote: > >> > On Tue, 23

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-16 Thread Umesh Nerlige Ramappa
On Fri, Sep 16, 2022 at 12:57:19PM -0700, Dixit, Ashutosh wrote: On Fri, 16 Sep 2022 11:56:04 -0700, Umesh Nerlige Ramappa wrote: On Thu, Sep 15, 2022 at 10:16:30PM -0700, Dixit, Ashutosh wrote: > On Tue, 23 Aug 2022 13:41:52 -0700, Umesh Nerlige Ramappa wrote: >> > > Hi Umesh, > >> OA reports

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-16 Thread Dixit, Ashutosh
On Fri, 16 Sep 2022 11:56:04 -0700, Umesh Nerlige Ramappa wrote: > > On Thu, Sep 15, 2022 at 10:16:30PM -0700, Dixit, Ashutosh wrote: > > On Tue, 23 Aug 2022 13:41:52 -0700, Umesh Nerlige Ramappa wrote: > >> > > > > Hi Umesh, > > > >> OA reports in the OA buffer contain an OA timestamp field that

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-16 Thread Umesh Nerlige Ramappa
On Fri, Sep 16, 2022 at 08:22:40AM -0700, Dixit, Ashutosh wrote: On Thu, 15 Sep 2022 22:16:30 -0700, Dixit, Ashutosh wrote: On Tue, 23 Aug 2022 13:41:52 -0700, Umesh Nerlige Ramappa wrote: > Hi Umesh, > OA reports in the OA buffer contain an OA timestamp field that helps > user calculate

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-16 Thread Umesh Nerlige Ramappa
On Thu, Sep 15, 2022 at 10:16:30PM -0700, Dixit, Ashutosh wrote: On Tue, 23 Aug 2022 13:41:52 -0700, Umesh Nerlige Ramappa wrote: Hi Umesh, OA reports in the OA buffer contain an OA timestamp field that helps user calculate delta between 2 OA reports. The calculation relies on the CS

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-16 Thread Dixit, Ashutosh
On Thu, 15 Sep 2022 22:16:30 -0700, Dixit, Ashutosh wrote: > > On Tue, 23 Aug 2022 13:41:52 -0700, Umesh Nerlige Ramappa wrote: > > > > Hi Umesh, > > > OA reports in the OA buffer contain an OA timestamp field that helps > > user calculate delta between 2 OA reports. The calculation relies on the

Re: [Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-09-15 Thread Dixit, Ashutosh
On Tue, 23 Aug 2022 13:41:52 -0700, Umesh Nerlige Ramappa wrote: > Hi Umesh, > OA reports in the OA buffer contain an OA timestamp field that helps > user calculate delta between 2 OA reports. The calculation relies on the > CS timestamp frequency to convert the timestamp value to nanoseconds. >

[Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-08-23 Thread Umesh Nerlige Ramappa
OA reports in the OA buffer contain an OA timestamp field that helps user calculate delta between 2 OA reports. The calculation relies on the CS timestamp frequency to convert the timestamp value to nanoseconds. The CS timestamp frequency is a function of the CTC_SHIFT value in RPM_CONFIG0. In

[Intel-gfx] [PATCH 16/19] drm/i915/perf: Apply Wa_18013179988

2022-08-22 Thread Umesh Nerlige Ramappa
OA reports in the OA buffer contain an OA timestamp field that helps user calculate delta between 2 OA reports. The calculation relies on the CS timestamp frequency to convert the timestamp value to nanoseconds. The CS timestamp frequency is a function of the CTC_SHIFT value in RPM_CONFIG0. In