Chris Wilson <[email protected]> writes:

> Including a check against the execlist queue before calling the engine
> idle and passing hangcheck.
>
> Signed-off-by: Chris Wilson <[email protected]>

Reviewed-by: Mika Kuoppala <[email protected]>

> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c 
> b/drivers/gpu/drm/i915/intel_engine_cs.c
> index cba120f3d89d..fbac94557ffa 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -1407,6 +1407,10 @@ bool intel_engine_is_idle(struct intel_engine_cs 
> *engine)
>       if (port_request(&engine->execlist_port[0]))
>               return false;
>  
> +     /* ELSP is empty, but there are ready requests? */
> +     if (READ_ONCE(engine->execlist_first))
> +             return false;
> +
>       /* Ring stopped? */
>       if (!ring_is_idle(engine))
>               return false;
> -- 
> 2.13.2
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