diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 59457e8..744225e 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1350,17 +1350,25 @@ void i915_hangcheck_elapsed(unsigned long data) i915_seqno_passed(i915_get_gem_seqno(dev, &dev_priv->render_ring), i915_get_tail_request(dev)->seqno)) { + bool missed_wakeup = false; + dev_priv->hangcheck_count = 0; /* Issue a wake-up to catch stuck h/w. */ - if (dev_priv->render_ring.waiting_gem_seqno | - dev_priv->bsd_ring.waiting_gem_seqno) { - DRM_ERROR("Hangcheck timer elapsed... GPU idle, missed IRQ.\n"); - if (dev_priv->render_ring.waiting_gem_seqno) - DRM_WAKEUP(&dev_priv->render_ring.irq_queue); - if (dev_priv->bsd_ring.waiting_gem_seqno) - DRM_WAKEUP(&dev_priv->bsd_ring.irq_queue); + if (dev_priv->render_ring.waiting_gem_seqno && + waitqueue_active(&dev_priv->render_ring.irq_queue)) { + DRM_WAKEUP(&dev_priv->render_ring.irq_queue); + missed_wakeup = true; + } + + if (dev_priv->bsd_ring.waiting_gem_seqno && + waitqueue_active(&dev_priv->bsd_ring.irq_queue)) { + DRM_WAKEUP(&dev_priv->bsd_ring.irq_queue); + missed_wakeup = true; } + + if (missed_wakeup) + DRM_ERROR("Hangcheck timer elapsed... GPU idle, missed IRQ.\n"); return; } |