Re: [Intel-gfx] [PATCH] drm/i915/gt: Add arbitration check before semaphore wait

2021-01-18 Thread Tvrtko Ursulin
On 17/01/2021 11:04, Chris Wilson wrote: Similar to commit 49b20dbf7497 ("drm/i915/gt: Perform an arbitration check before busywaiting"), also add a check prior to the busywait on gen8+, as we have now seen (because we added a selftest to add fault injection into the engine resets) the same eng

[Intel-gfx] [PATCH] drm/i915/gt: Add arbitration check before semaphore wait

2021-01-17 Thread Chris Wilson
Similar to commit 49b20dbf7497 ("drm/i915/gt: Perform an arbitration check before busywaiting"), also add a check prior to the busywait on gen8+, as we have now seen (because we added a selftest to add fault injection into the engine resets) the same engine reset failure leading to an indefinite wa