[Intel-gfx] [PATCH] drm/i915: Queue hangcheck when irqs are disabled

[Mika Kuoppala]

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

> Ensure that the hangcheck is queued even in the absence of interrupts.
>

This was rather terse to begin with, but the why became clear from the
context.

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

> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_breadcrumbs.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
> index 7681bcd2717e..b574cc414d43 100644
> --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
> +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
> @@ -175,6 +175,7 @@ static void __intel_breadcrumbs_enable_irq(struct intel_breadcrumbs *b)
>  	if (!b->irq_enabled ||
>  	    test_bit(engine->id, &i915->gpu_error.missed_irq_rings)) {
>  		mod_timer(&b->fake_irq, jiffies + 1);
> +		i915_queue_hangcheck(i915);
>  	} else {
>  		/* Ensure we never sleep indefinitely */
>  		GEM_BUG_ON(!time_after(b->timeout, jiffies));
> -- 
> 2.11.0
>
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