[Intel-gfx] [PATCH 2/6] drm/i915: Factor out intel_power_well_get/put

[Imre Deak]

These helpers will be needed by the next patch, so factor them out.

No functional change.

Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/intel_runtime_pm.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 2b75b30..d0d056a 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -151,6 +151,20 @@ static void intel_power_well_disable(struct drm_i915_private *dev_priv,
 	power_well->ops->disable(dev_priv, power_well);
 }
 
+static void intel_power_well_get(struct drm_i915_private *dev_priv,
+				 struct i915_power_well *power_well)
+{
+	if (!power_well->count++)
+		intel_power_well_enable(dev_priv, power_well);
+}
+
+static void intel_power_well_put(struct drm_i915_private *dev_priv,
+				 struct i915_power_well *power_well)
+{
+	if (!--power_well->count)
+		intel_power_well_disable(dev_priv, power_well);
+}
+
 /*
  * We should only use the power well if we explicitly asked the hardware to
  * enable it, so check if it's enabled and also check if we've requested it to
@@ -1518,10 +1532,8 @@ __intel_display_power_get_domain(struct drm_i915_private *dev_priv,
 	struct i915_power_well *power_well;
 	int i;
 
-	for_each_power_well(i, power_well, BIT(domain), power_domains) {
-		if (!power_well->count++)
-			intel_power_well_enable(dev_priv, power_well);
-	}
+	for_each_power_well(i, power_well, BIT(domain), power_domains)
+		intel_power_well_get(dev_priv, power_well);
 
 	power_domains->domain_use_count[domain]++;
 }
@@ -1620,8 +1632,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 		     "Use count on power well %s is already zero",
 		     power_well->name);
 
-		if (!--power_well->count)
-			intel_power_well_disable(dev_priv, power_well);
+		intel_power_well_put(dev_priv, power_well);
 	}
 
 	mutex_unlock(&power_domains->lock);
-- 
2.5.0