Re: [PATCH] drm/i915/gt: Do not consider preemption during execlists_dequeue for gen8

2024-07-11 Thread Tvrtko Ursulin
On 11/07/2024 06:12, Nitin Gote wrote: We're seeing a GPU HANG issue on a CHV platform, which was caused by bac24f59f454 ("drm/i915/execlists: Enable coarse preemption boundaries for gen8"). Gen8 platform has only timeslice and doesn't support a preemption mechanism as engines do not have a p

[PATCH] drm/i915/gt: Do not consider preemption during execlists_dequeue for gen8

2024-07-10 Thread Nitin Gote
We're seeing a GPU HANG issue on a CHV platform, which was caused by bac24f59f454 ("drm/i915/execlists: Enable coarse preemption boundaries for gen8"). Gen8 platform has only timeslice and doesn't support a preemption mechanism as engines do not have a preemption timer and doesn't send an irq if

RE: [PATCH] drm/i915/gt: Do not consider preemption during execlists_dequeue for gen8

2024-07-10 Thread Gote, Nitin R
@linux.intel.com; sta...@vger.kernel.org > Subject: Re: [PATCH] drm/i915/gt: Do not consider preemption during > execlists_dequeue for gen8 > > > On 09/07/2024 15:02, Tvrtko Ursulin wrote: > > > > On 09/07/2024 13:53, Nitin Gote wrote: > >> We're

Re: [PATCH] drm/i915/gt: Do not consider preemption during execlists_dequeue for gen8

2024-07-10 Thread Tvrtko Ursulin
On 09/07/2024 15:02, Tvrtko Ursulin wrote: On 09/07/2024 13:53, Nitin Gote wrote: We're seeing a GPU HANG issue on a CHV platform, which was caused by bac24f59f454 ("drm/i915/execlists: Enable coarse preemption boundaries for gen8"). Gen8 platform has only timeslice and doesn't support a p

Re: [PATCH] drm/i915/gt: Do not consider preemption during execlists_dequeue for gen8

2024-07-09 Thread Tvrtko Ursulin
On 09/07/2024 13:53, Nitin Gote wrote: We're seeing a GPU HANG issue on a CHV platform, which was caused by bac24f59f454 ("drm/i915/execlists: Enable coarse preemption boundaries for gen8"). Gen8 platform has only timeslice and doesn't support a preemption mechanism as engines do not have a p

[PATCH] drm/i915/gt: Do not consider preemption during execlists_dequeue for gen8

2024-07-09 Thread Nitin Gote
We're seeing a GPU HANG issue on a CHV platform, which was caused by bac24f59f454 ("drm/i915/execlists: Enable coarse preemption boundaries for gen8"). Gen8 platform has only timeslice and doesn't support a preemption mechanism as engines do not have a preemption timer and doesn't send an irq if