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-rw-r--r--drivers/gpu/drm/i915/i915_gem.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7d285554333..2b54142a46e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1141,6 +1141,11 @@ unlock:
out:
switch (ret) {
case -EIO:
+ /* If this -EIO is due to a gpu hang, give the reset code a
+ * chance to clean up the mess. Otherwise return the proper
+ * SIGBUS. */
+ if (!atomic_read(&dev_priv->mm.wedged))
+ return VM_FAULT_SIGBUS;
case -EAGAIN:
/* Give the error handler a chance to run and move the
* objects off the GPU active list. Next time we service the