From: Praveen Paneri <[email protected]>

i915_gem_shrink_all() will scan the bound list only if device is not
suspended but in OOM scenarios it becomes absolutely necessary to
release as much memory as possible. So, adding rpm get/put in
i915_shrinker_oom() to ensure shrinking of bound objects in OOM
scenario.

Signed-off-by: Praveen Paneri <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
---
 drivers/gpu/drm/i915/i915_gem_shrinker.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c 
b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 3bc292d626ff..4457f86c81ef 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -325,7 +325,9 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned 
long event, void *ptr)
        was_interruptible = dev_priv->mm.interruptible;
        dev_priv->mm.interruptible = false;
 
+       intel_runtime_pm_get(dev_priv);
        freed_pages = i915_gem_shrink_all(dev_priv);
+       intel_runtime_pm_put(dev_priv);
 
        dev_priv->mm.interruptible = was_interruptible;
 
-- 
2.5.0

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