drm/i915: Move hsw_power_well_enable() next to the rest of HSW helpers

Move the helper next to the rest of HSW specific code.
Signed-off-by: NImre Deak <imre.deak@intel.com>
Reviewed-by: NArkadiusz Hiler <arkadiusz.hiler@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1499352040-8819-18-git-send-email-imre.deak@intel.comSigned-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_runtime_pm.c

@@ -169,20 +169,6 @@ static void intel_power_well_put(struct drm_i915_private *dev_priv,
 		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
- * be enabled.
- */
-static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv,
-				   struct i915_power_well *power_well)
-{
-	enum i915_power_well_id id = power_well->id;
-	u32 mask = HSW_PWR_WELL_CTL_REQ(id) | HSW_PWR_WELL_CTL_STATE(id);
-
-	return (I915_READ(HSW_PWR_WELL_DRIVER) & mask) == mask;
-}
-
 /**
  * __intel_display_power_is_enabled - unlocked check for a power domain
  * @dev_priv: i915 device instance
@@ -422,6 +408,20 @@ static void hsw_power_well_disable(struct drm_i915_private *dev_priv,
 	hsw_wait_for_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
+ * be enabled.
+ */
+static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv,
+				   struct i915_power_well *power_well)
+{
+	enum i915_power_well_id id = power_well->id;
+	u32 mask = HSW_PWR_WELL_CTL_REQ(id) | HSW_PWR_WELL_CTL_STATE(id);
+
+	return (I915_READ(HSW_PWR_WELL_DRIVER) & mask) == mask;
+}
+
 #define SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS (		\
 	BIT_ULL(POWER_DOMAIN_TRANSCODER_A) |		\
 	BIT_ULL(POWER_DOMAIN_PIPE_B) |			\