Re: [Intel-gfx] [PATCH v3 2/2] drm/i915/perf: introduce global sseu pinning

2020-03-04 Thread Lionel Landwerlin
On 04/03/2020 16:20, Tvrtko Ursulin wrote: On 03/03/2020 09:16, Lionel Landwerlin wrote: On Gen11 powergating half the execution units is a functional requirement when using the VME samplers. Not fullfilling this requirement can lead to hangs. This unfortunately plays fairly poorly with the NO

Re: [Intel-gfx] [PATCH v3 2/2] drm/i915/perf: introduce global sseu pinning

2020-03-04 Thread Tvrtko Ursulin
On 03/03/2020 09:16, Lionel Landwerlin wrote: On Gen11 powergating half the execution units is a functional requirement when using the VME samplers. Not fullfilling this requirement can lead to hangs. This unfortunately plays fairly poorly with the NOA requirements. NOA requires a stable power

[Intel-gfx] [PATCH v3 2/2] drm/i915/perf: introduce global sseu pinning

2020-03-03 Thread Lionel Landwerlin
On Gen11 powergating half the execution units is a functional requirement when using the VME samplers. Not fullfilling this requirement can lead to hangs. This unfortunately plays fairly poorly with the NOA requirements. NOA requires a stable power configuration to maintain its configuration. As