drm/i915/guc: Move Guc early init into own function

We don't want to make aggregate uc functions to be too detailed.
This will also make future patch easier.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171004153327.32608-7-michal.wajdeczko@intel.com

drivers/gpu/drm/i915/intel_uc.c

@@ -88,10 +88,8 @@ static void gen8_guc_raise_irq(struct intel_guc *guc)
 	I915_WRITE(GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER);
 }
 
-void intel_uc_init_early(struct drm_i915_private *dev_priv)
+static void guc_init_early(struct intel_guc *guc)
 {
-	struct intel_guc *guc = &dev_priv->guc;
-
 	intel_guc_ct_init_early(&guc->ct);
 
 	mutex_init(&guc->send_mutex);
@@ -99,6 +97,11 @@ void intel_uc_init_early(struct drm_i915_private *dev_priv)
 	guc->notify = gen8_guc_raise_irq;
 }
 
+void intel_uc_init_early(struct drm_i915_private *dev_priv)
+{
+	guc_init_early(&dev_priv->guc);
+}
+
 void intel_uc_init_fw(struct drm_i915_private *dev_priv)
 {
 	intel_uc_fw_fetch(dev_priv, &dev_priv->huc.fw);