drm/i915: Refactor vlv_display_irq_uninstall()

Pull the vlv display irq uninstall code into a separate function, for
eventual sharing with chv.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 320b310..87b46b4 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3588,6 +3588,20 @@ static void gen8_irq_uninstall(struct drm_device *dev)
        gen8_irq_reset(dev);
 }
 
+static void vlv_display_irq_uninstall(struct drm_i915_private *dev_priv)
+{
+       /* Interrupt setup is already guaranteed to be single-threaded, this is
+        * just to make the assert_spin_locked check happy. */
+       spin_lock_irq(&dev_priv->irq_lock);
+       if (dev_priv->display_irqs_enabled)
+               valleyview_display_irqs_uninstall(dev_priv);
+       spin_unlock_irq(&dev_priv->irq_lock);
+
+       vlv_display_irq_reset(dev_priv);
+
+       dev_priv->irq_mask = 0;
+}
+
 static void valleyview_irq_uninstall(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -3601,16 +3615,7 @@ static void valleyview_irq_uninstall(struct drm_device *dev)
 
        I915_WRITE(HWSTAM, 0xffffffff);
 
-       /* Interrupt setup is already guaranteed to be single-threaded, this is
-        * just to make the assert_spin_locked check happy. */
-       spin_lock_irq(&dev_priv->irq_lock);
-       if (dev_priv->display_irqs_enabled)
-               valleyview_display_irqs_uninstall(dev_priv);
-       spin_unlock_irq(&dev_priv->irq_lock);
-
-       vlv_display_irq_reset(dev_priv);
-
-       dev_priv->irq_mask = 0;
+       vlv_display_irq_uninstall(dev_priv);
 }
 
 static void cherryview_irq_uninstall(struct drm_device *dev)