[PATCH] drm/i915/rpm: add rpm_to_i915() helper around container_of()

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Reduce the duplication.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_runtime_pm.c | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 91491111dbd5..860b51b56a92 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -50,6 +50,11 @@
  * present for a given platform.
  */
 
+static struct drm_i915_private *rpm_to_i915(struct intel_runtime_pm *rpm)
+{
+	return container_of(rpm, struct drm_i915_private, runtime_pm);
+}
+
 #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
 
 static void init_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
@@ -158,9 +163,7 @@ intel_runtime_pm_release(struct intel_runtime_pm *rpm, int wakelock)
 static intel_wakeref_t __intel_runtime_pm_get(struct intel_runtime_pm *rpm,
 					      bool wakelock)
 {
-	struct drm_i915_private *i915 = container_of(rpm,
-						     struct drm_i915_private,
-						     runtime_pm);
+	struct drm_i915_private *i915 = rpm_to_i915(rpm);
 	int ret;
 
 	ret = pm_runtime_get_sync(rpm->kdev);
@@ -365,9 +368,7 @@ void intel_runtime_pm_put(struct intel_runtime_pm *rpm, intel_wakeref_t wref)
  */
 void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
 {
-	struct drm_i915_private *i915 = container_of(rpm,
-						     struct drm_i915_private,
-						     runtime_pm);
+	struct drm_i915_private *i915 = rpm_to_i915(rpm);
 	struct device *kdev = rpm->kdev;
 
 	/*
@@ -420,9 +421,7 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
 
 void intel_runtime_pm_disable(struct intel_runtime_pm *rpm)
 {
-	struct drm_i915_private *i915 = container_of(rpm,
-						     struct drm_i915_private,
-						     runtime_pm);
+	struct drm_i915_private *i915 = rpm_to_i915(rpm);
 	struct device *kdev = rpm->kdev;
 
 	/* Transfer rpm ownership back to core */
@@ -437,9 +436,7 @@ void intel_runtime_pm_disable(struct intel_runtime_pm *rpm)
 
 void intel_runtime_pm_driver_release(struct intel_runtime_pm *rpm)
 {
-	struct drm_i915_private *i915 = container_of(rpm,
-						     struct drm_i915_private,
-						     runtime_pm);
+	struct drm_i915_private *i915 = rpm_to_i915(rpm);
 	int count = atomic_read(&rpm->wakeref_count);
 
 	intel_wakeref_auto_fini(&rpm->userfault_wakeref);
@@ -458,8 +455,7 @@ void intel_runtime_pm_driver_last_release(struct intel_runtime_pm *rpm)
 
 void intel_runtime_pm_init_early(struct intel_runtime_pm *rpm)
 {
-	struct drm_i915_private *i915 =
-			container_of(rpm, struct drm_i915_private, runtime_pm);
+	struct drm_i915_private *i915 = rpm_to_i915(rpm);
 	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
 	struct device *kdev = &pdev->dev;
 
-- 
2.39.2