Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxx>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> ---
> 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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