Re: [Intel-gfx] [PATCH v3 1/4] drm/i915/guc: Limit scheduling properties to avoid overflow

2022-03-09 Thread John Harrison
On 3/8/2022 01:43, Tvrtko Ursulin wrote: On 03/03/2022 22:37, john.c.harri...@intel.com wrote: From: John Harrison GuC converts the pre-emption timeout and timeslice quantum values into clock ticks internally. That significantly reduces the point of 32bit overflow. On current platforms, worst

Re: [Intel-gfx] [PATCH v3 1/4] drm/i915/guc: Limit scheduling properties to avoid overflow

2022-03-08 Thread Tvrtko Ursulin
On 03/03/2022 22:37, john.c.harri...@intel.com wrote: From: John Harrison GuC converts the pre-emption timeout and timeslice quantum values into clock ticks internally. That significantly reduces the point of 32bit overflow. On current platforms, worst case scenario is approximately 110