[Intel-gfx] [PATCH 7/8] drm/i915/pmu: Wire up engine busy stats to PMU

[Chris Wilson]

Quoting Tvrtko Ursulin (2017-09-18 12:38:13)
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index b7de6fe3cac7..ffba21eeb5d0 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -90,6 +90,11 @@ static unsigned int event_enabled_bit(struct perf_event *event)
>         return config_enabled_bit(event->attr.config);
>  }
>  
> +static bool supports_busy_stats(void)
> +{
> +       return i915.enable_execlists;
> +}
> +
>  static bool pmu_needs_timer(struct drm_i915_private *i915, bool gpu_active)
>  {
>         u64 enable;
> @@ -115,6 +120,12 @@ static bool pmu_needs_timer(struct drm_i915_private *i915, bool gpu_active)
>          */
>         if (!gpu_active)
>                 enable &= ~ENGINE_SAMPLE_MASK;
> +       /**

/** kerneldoc?
-Chris