[PATCH 1/3] i915/guc: Reset engine utilization buffer before registration

2024-11-27 Thread Umesh Nerlige Ramappa
On GT reset, we store total busyness counts for all engines and re-register the utilization buffer with GuC. At that time we should reset the buffer, so that we don't get spurious busyness counts on subsequent queries. To repro this issue, run igt@perf_pmu@busy-hang followed by igt@perf_pmu@most-b

Re: [PATCH 1/3] i915/guc: Reset engine utilization buffer before registration

2024-11-21 Thread John Harrison
On 11/18/2024 15:22, Umesh Nerlige Ramappa wrote: On GT reset, we store total busyness counts for all engines and re-register the utilization buffer with GuC. At that time we should reset the buffer, so that we don't get spurious busyness counts on subsequent queries. To repro this issue, run ig

[PATCH 1/3] i915/guc: Reset engine utilization buffer before registration

2024-11-18 Thread Umesh Nerlige Ramappa
On GT reset, we store total busyness counts for all engines and re-register the utilization buffer with GuC. At that time we should reset the buffer, so that we don't get spurious busyness counts on subsequent queries. To repro this issue, run igt@perf_pmu@busy-hang followed by igt@perf_pmu@most-b