drm/i915: add intel_uncore_init_early

Encapsulate the uncore early init and be consistent with the
"_early" naming.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190402201032.15841-1-daniele.ceraolospurio@intel.com

drivers/gpu/drm/i915/i915_drv.c

@@ -870,10 +870,11 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv)
 
 	intel_device_info_subplatform_init(dev_priv);
 
+	intel_uncore_init_early(&dev_priv->uncore);
+
 	spin_lock_init(&dev_priv->irq_lock);
 	spin_lock_init(&dev_priv->gpu_error.lock);
 	mutex_init(&dev_priv->backlight_lock);
-	spin_lock_init(&dev_priv->uncore.lock);
 
 	mutex_init(&dev_priv->sb_lock);
 	mutex_init(&dev_priv->av_mutex);

drivers/gpu/drm/i915/intel_uncore.c

@@ -1524,6 +1524,10 @@ static void uncore_mmio_cleanup(struct intel_uncore *uncore)
 	pci_iounmap(pdev, uncore->regs);
 }
 
+void intel_uncore_init_early(struct intel_uncore *uncore)
+{
+	spin_lock_init(&uncore->lock);
+}
 
 int intel_uncore_init(struct intel_uncore *uncore)
 {

drivers/gpu/drm/i915/intel_uncore.h

@@ -178,6 +178,7 @@ intel_uncore_has_fifo(const struct intel_uncore *uncore)
 }
 
 void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
+void intel_uncore_init_early(struct intel_uncore *uncore);
 int intel_uncore_init(struct intel_uncore *uncore);
 void intel_uncore_prune(struct intel_uncore *uncore);
 bool intel_uncore_unclaimed_mmio(struct intel_uncore *uncore);