[Intel-gfx] [PATCH 2/4] drm/i915: Extract a intel_power_well_disable() function

[Paulo Zanoni]

From: Damien Lespiau <damien.lespiau at intel.com>

Similar to the ->enable vfunc in commit:

  commit 865720564389b2b19cf58e41ed31701e5f464b9d
  Author: Damien Lespiau <damien.lespiau at intel.com>
  Date:   Wed Jun 3 14:27:05 2015 +0100

      drm/i915: Extract a intel_power_well_enable() function

v2 (from Paulo):
  - Same s/i915_/intel_/ bikeshed as the previous patch.
  - Update the commit hash.

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 drivers/gpu/drm/i915/intel_runtime_pm.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index a52574d..821644d 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -76,6 +76,14 @@ static void intel_power_well_enable(struct drm_i915_private *dev_priv,
 	power_well->hw_enabled = true;
 }
 
+static void intel_power_well_disable(struct drm_i915_private *dev_priv,
+				     struct i915_power_well *power_well)
+{
+	DRM_DEBUG_KMS("disabling %s\n", power_well->name);
+	power_well->hw_enabled = false;
+	power_well->ops->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
@@ -1147,11 +1155,8 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 	for_each_power_well_rev(i, power_well, BIT(domain), power_domains) {
 		WARN_ON(!power_well->count);
 
-		if (!--power_well->count && i915.disable_power_well) {
-			DRM_DEBUG_KMS("disabling %s\n", power_well->name);
-			power_well->hw_enabled = false;
-			power_well->ops->disable(dev_priv, power_well);
-		}
+		if (!--power_well->count && i915.disable_power_well)
+			intel_power_well_disable(dev_priv, power_well);
 	}
 
 	mutex_unlock(&power_domains->lock);
-- 
2.4.6