Quoting Tvrtko Ursulin (2018-01-23 13:45:58)
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>
> We need to generate the event config value using the uAPI class and not
> the driver internal one.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Fixes: 109ec558370f ("drm/i915/pmu: Only enumerate available counters in sysfs")
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_pmu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index 86d9b9fb6aef..f380d8896a63 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -906,7 +906,7 @@ create_event_attributes(struct drm_i915_private *i915)
> *attr_iter++ = &i915_iter->attr.attr;
> i915_iter =
> add_i915_attr(i915_iter, str,
> - __I915_PMU_ENGINE(engine->class,
> + __I915_PMU_ENGINE(engine->uabi_class,
Indeed. __I915_PMU_ENGINE() is uapi/i915_drm.h so uabi-centric.
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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