[Intel-gfx] [CI 2/2] drm/i915/gt: Cancel a hung context if already closed

[Mika Kuoppala]

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

> Use the restored ability to check if a context is closed to decide
> whether or not to immediately ban the context from further execution
> after a hang.
>
> Fixes: be90e344836a ("drm/i915/gt: Cancel banned contexts after GT reset")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

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

> ---
>  drivers/gpu/drm/i915/gt/intel_reset.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
> index 9a15bdf31c7f..003f26b42998 100644
> --- a/drivers/gpu/drm/i915/gt/intel_reset.c
> +++ b/drivers/gpu/drm/i915/gt/intel_reset.c
> @@ -88,6 +88,11 @@ static bool mark_guilty(struct i915_request *rq)
>  	bool banned;
>  	int i;
>  
> +	if (intel_context_is_closed(rq->context)) {
> +		intel_context_set_banned(rq->context);
> +		return true;
> +	}
> +
>  	rcu_read_lock();
>  	ctx = rcu_dereference(rq->context->gem_context);
>  	if (ctx && !kref_get_unless_zero(&ctx->ref))
> -- 
> 2.20.1
>
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