If we bail out from handling the error, we never wake up
the waiters, resulting in a stuck processes.
This regression was introduced in:
commit b8d24a06568368076ebd5a858a011699a97bfa42
Author: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Date: Wed Jan 28 17:03:14 2015 +0200
drm/i915: Remove nested work in gpu error handling
References: https://bugs.freedesktop.org/show_bug.cgi?id=88933
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 53c5f9e..4145d95 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2612,9 +2612,6 @@ void i915_handle_error(struct drm_device *dev, bool wedged,
va_list args;
char error_msg[80];
- if (WARN_ON(mutex_is_locked(&dev_priv->dev->struct_mutex)))
- return;
-
va_start(args, fmt);
vscnprintf(error_msg, sizeof(error_msg), fmt, args);
va_end(args);
--
1.9.1
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