[PATCH 0/3] Fix some races/bugs in GuC engine busyness

[Umesh Nerlige Ramappa]

On Wed, Nov 27, 2024 at 09:40:03AM -0800, Umesh Nerlige Ramappa wrote:
>A few races and bugs in PMU busyness implementation are resulting in a wide
>range of IGT failures. This series addresses some failures that are easily
>reproduced.
>
>To repro the issues, we run a couple iterations of igt at perf_pmu@busy-hang
>followed by igt at perf_pmu@most-busy-idle-check-all test.
>
>v2: Review rework
>
>Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>

Pushed now.

Thanks,
Umesh
>
>Umesh Nerlige Ramappa (3):
>  i915/guc: Reset engine utilization buffer before registration
>  i915/guc: Ensure busyness counter increases motonically
>  i915/guc: Accumulate active runtime on gt reset
>
> drivers/gpu/drm/i915/gt/intel_engine_types.h  |  5 +++
> .../gpu/drm/i915/gt/uc/intel_guc_submission.c | 41 ++++++++++++++++++-
> 2 files changed, 44 insertions(+), 2 deletions(-)
>
>-- 
>2.34.1
>