From: Dave Gordon <david.s.gordon@xxxxxxxxx>
For: VIZ-2021
Signed-off-by: Dave Gordon <david.s.gordon@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d280e05..eb55a41 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2973,23 +2973,24 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
if (ring->hangcheck.seqno == seqno) {
if (ring_idle(ring, seqno)) {
+ busy = false;
ring->hangcheck.action = HANGCHECK_IDLE;
if (waitqueue_active(&ring->irq_queue)) {
+ if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring)))
+ DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
+ ring->name);
+ else
+ DRM_INFO("Fake missed irq on %s\n",
+ ring->name);
+
/* Issue a wake-up to catch stuck h/w. */
- if (!test_and_set_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings)) {
- if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring)))
- DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
- ring->name);
- else
- DRM_INFO("Fake missed irq on %s\n",
- ring->name);
- wake_up_all(&ring->irq_queue);
- }
+ set_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings);
+ wake_up_all(&ring->irq_queue);
/* Safeguard against driver failure */
ring->hangcheck.score += BUSY;
- } else
- busy = false;
+ busy = true;
+ }
} else {
/* We always increment the hangcheck score
* if the ring is busy and still processing
--
1.9.1
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