[PATCH 1/4] drm/i915: Extract a intel_power_well_enable() function

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From: Damien Lespiau <damien.lespiau@xxxxxxxxx>

We need a bit book keeping around power wells' ops->enable(), namely a
nice debug message and updating hw_enabled. Let's introduce a
intel_power_well_enable() function to make sure all the callers do the
same things.

v2 (from Paulo):
  - s/i915_power_well_enable/intel_power_well_enable/ since everything
    else on this file uses intel_ instead of i915_.
  - Fix typo in commit message.

Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
 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 6393b76..a52574d 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -68,6 +68,14 @@
 bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv,
 				    int power_well_id);
 
+static void intel_power_well_enable(struct drm_i915_private *dev_priv,
+				    struct i915_power_well *power_well)
+{
+	DRM_DEBUG_KMS("enabling %s\n", power_well->name);
+	power_well->ops->enable(dev_priv, power_well);
+	power_well->hw_enabled = true;
+}
+
 /*
  * 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
@@ -1104,11 +1112,8 @@ void intel_display_power_get(struct drm_i915_private *dev_priv,
 	mutex_lock(&power_domains->lock);
 
 	for_each_power_well(i, power_well, BIT(domain), power_domains) {
-		if (!power_well->count++) {
-			DRM_DEBUG_KMS("enabling %s\n", power_well->name);
-			power_well->ops->enable(dev_priv, power_well);
-			power_well->hw_enabled = true;
-		}
+		if (!power_well->count++)
+			intel_power_well_enable(dev_priv, power_well);
 	}
 
 	power_domains->domain_use_count[domain]++;
-- 
2.4.6

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