[Intel-gfx] [PATCH 09/15] drm/i915: Wake up waiters after setting the WEDGED bit

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> After setting the WEDGED bit, make sure that we do wake up waiters as
> they may not be waiting for a request completion yet, just for its
> execution.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

> ---
>  drivers/gpu/drm/i915/i915_gem.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 40e94b4ef532..ca7a56ff3904 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3157,10 +3157,12 @@ static int __i915_gem_set_wedged_BKL(void *data)
>  	struct intel_engine_cs *engine;
>  	enum intel_engine_id id;
>  
> -	set_bit(I915_WEDGED, &i915->gpu_error.flags);
>  	for_each_engine(engine, i915, id)
>  		engine_set_wedged(engine);
>  
> +	set_bit(I915_WEDGED, &i915->gpu_error.flags);
> +	wake_up_all(&i915->gpu_error.reset_queue);
> +
>  	return 0;
>  }
>  
> -- 
> 2.13.2