From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Put an explicit might_sleep at the start of intel_runtime_pm_get so we
always catch incorrect usage, regardless of the code path taken in
pm_runtime_get_sync.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
drivers/gpu/drm/i915/intel_runtime_pm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c
b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 70e659772a7a..338dbfd7d228 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -3188,6 +3188,12 @@ void intel_runtime_pm_get(struct drm_i915_private
*dev_priv)
struct device *kdev = &pdev->dev;
int ret;
+ /*
+ * Catch incorrect usage regardless of the code path taken in
+ * pm_runtime_get_sync.
+ */
+ might_sleep();
+
ret = pm_runtime_get_sync(kdev);
WARN_ONCE(ret < 0, "pm_runtime_get_sync() failed: %d\n", ret);
--
2.14.1
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