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authorChris Wilson <chris@chris-wilson.co.uk>2010-09-11 09:49:58 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2010-09-11 09:49:58 +0100
commit8b3016c4f4cded41d4d53da6f09f40efd6083f4f (patch)
tree9667a158b5309d1cc01094a6d5b7c40f3ea00636 /drivers/gpu/drm/i915/i915_irq.c
parent021357acc8ea85273a9882b3fe89935629f51b12 (diff)
parentdd8849c8f59ec1cee4809a0c5e603e045abe860e (diff)
Merge branch 'drm-intel-fixes' into drm-intel-next
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c22
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 33525c92221..7e2b476df74 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;
}