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 seco

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

2022-03-03 Thread John . C . Harrison
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 seconds. Rather than allowing the user to set higher values and