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path: root/drivers/gpu/drm/i915/gt/intel_gt_pm.h
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_pm.h')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_pm.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.h b/drivers/gpu/drm/i915/gt/intel_gt_pm.h
index a334787a4939..6c9a46452364 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.h
@@ -55,6 +55,14 @@ static inline void intel_gt_pm_might_put(struct intel_gt *gt)
for (tmp = 1, intel_gt_pm_get(gt); tmp; \
intel_gt_pm_put(gt), tmp = 0)
+/**
+ * with_intel_gt_pm_if_awake - if GT is PM awake, get a reference to prevent
+ * it to sleep, run some code and then asynchrously put the reference
+ * away.
+ *
+ * @gt: pointer to the gt
+ * @wf: pointer to a temporary wakeref.
+ */
#define with_intel_gt_pm_if_awake(gt, wf) \
for (wf = intel_gt_pm_get_if_awake(gt); wf; intel_gt_pm_put_async(gt), wf = 0)