Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_shrinker.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 6eea4abeb9ce..454be9719daa 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -312,9 +312,14 @@ i915_gem_shrinker_lock_uninterruptible(struct drm_i915_private *dev_priv,
unsigned long timeout = msecs_to_jiffies(timeout_ms) + 1;
while (!i915_gem_shrinker_lock(dev_priv->dev, &slu->unlock)) {
+ if (i915_gem_wait_for_idle(dev_priv) == 0 &&
+ i915_gem_shrinker_lock(dev_priv->dev, &slu->unlock))
+ break;
+
schedule_timeout_killable(1);
if (fatal_signal_pending(current))
return false;
+
if (--timeout == 0) {
pr_err("Unable to lock GPU to purge memory.\n");
return false;
--
2.8.1
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