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drm/i915: Queue hangcheck when irqs are disabled 

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

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170123093724.18592-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
This commit is contained in:
Chris Wilson 2017-01-23 09:37:24 +00:00
parent e27414a04f
commit 2f1ac9cc68
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/intel_breadcrumbs.c
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@ -127,6 +127,7 @@ static void __intel_breadcrumbs_enable_irq(struct intel_breadcrumbs *b)
if (!b->irq_enabled || if (!b->irq_enabled ||
test_bit(engine->id, &i915->gpu_error.missed_irq_rings)) { test_bit(engine->id, &i915->gpu_error.missed_irq_rings)) {
mod_timer(&b->fake_irq, jiffies + 1); mod_timer(&b->fake_irq, jiffies + 1);
i915_queue_hangcheck(i915);
} else { } else {
/* Ensure we never sleep indefinitely */ /* Ensure we never sleep indefinitely */
GEM_BUG_ON(!time_after(b->timeout, jiffies)); GEM_BUG_ON(!time_after(b->timeout, jiffies));