drm/i915: Move the fbdev async_schedule() into intel_fbdev.c

Reading the driver load/unload code leaves one confused as there's
an async_schedule() in the load, but not async_synchronize_full()
in sight. In fact it's hidden inside intel_fbdev.c. So let's move the
async_schedule() into intel_fbdev.c as well so that it's next to the
async_synchronize_full(), which should make the relationship easier
to see.

Plus this way we won't schedule a nop function call when fbdev is
disabled. And we were passing a pointer to a static inline
function to async_schedule(), which seems rather dubious to me.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446815313-9490-4-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index db82ad4..98772d3 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -705,7 +705,7 @@
 	return 0;
 }
 
-void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
+static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
 {
 	struct drm_i915_private *dev_priv = data;
 	struct intel_fbdev *ifbdev = dev_priv->fbdev;
@@ -714,6 +714,11 @@
 	drm_fb_helper_initial_config(&ifbdev->helper, ifbdev->preferred_bpp);
 }
 
+void intel_fbdev_initial_config_async(struct drm_device *dev)
+{
+	async_schedule(intel_fbdev_initial_config, to_i915(dev));
+}
+
 void intel_fbdev_fini(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;