Re: [Intel-gfx] [PATCH v6 3/3] drm/i915/perf: introduce global sseu pinning

2020-03-16 Thread Tvrtko Ursulin
On 14/03/2020 10:33, 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

[Intel-gfx] [PATCH v6 3/3] drm/i915/perf: introduce global sseu pinning

2020-03-14 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