Re: [PATCH 4/4] warn

Mika Kuoppala
2017-10-24T14:46:46Z

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

> ---
> drivers/gpu/drm/i915/i915_irq.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index f8205841868b..e4bd20ce031d 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1391,6 +1391,9 @@ gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift)
> if (READ_ONCE(engine->execlists.active)) {
> __set_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
> tasklet = true;
> + } else if (WARN_ON(!engine->i915->gt.awake)) {

READ_ONCE

I'll get my coat.
-Mika

> + struct drm_printer p = drm_info_printer(engine->i915->drm.dev);
> + intel_engine_dump(engine, &p);
> }
> }
>
> --
> 2.15.0.rc1
>
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