drm/i915: kill Ivybridge vblank irq vfuncs

The IVB funtions are exactly the same as the ILK ones, with the
exception of the bit register. So add IVB/HSW support to
ironlake_enable_vblank and ironlake_disable_vblank, then kill the
ivybridge functions.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 8 insertions, 33 deletions

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 7c201f7906eb..9d5ae21f39ba 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1658,29 +1658,14 @@ static int ironlake_enable_vblank(struct drm_device *dev, int pipe)
 {
         drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
         unsigned long irqflags;
+        uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
+                                                     DE_PIPE_VBLANK_ILK(pipe);
 
         if (!i915_pipe_enabled(dev, pipe))
                 return -EINVAL;
 
         spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-        ironlake_enable_display_irq(dev_priv, (pipe == 0) ?
-                                    DE_PIPEA_VBLANK : DE_PIPEB_VBLANK);
-        spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
-
-        return 0;
-}
-
-static int ivybridge_enable_vblank(struct drm_device *dev, int pipe)
-{
-        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-        unsigned long irqflags;
-
-        if (!i915_pipe_enabled(dev, pipe))
-                return -EINVAL;
-
-        spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-        ironlake_enable_display_irq(dev_priv,
-                                    DE_PIPEA_VBLANK_IVB << (5 * pipe));
+        ironlake_enable_display_irq(dev_priv, bit);
         spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
 
         return 0;
@@ -1731,21 +1716,11 @@ static void ironlake_disable_vblank(struct drm_device *dev, int pipe)
 {
         drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
         unsigned long irqflags;
+        uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
+                                                     DE_PIPE_VBLANK_ILK(pipe);
 
         spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-        ironlake_disable_display_irq(dev_priv, (pipe == 0) ?
-                                     DE_PIPEA_VBLANK : DE_PIPEB_VBLANK);
-        spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
-}
-
-static void ivybridge_disable_vblank(struct drm_device *dev, int pipe)
-{
-        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-        unsigned long irqflags;
-
-        spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-        ironlake_disable_display_irq(dev_priv,
-                                     DE_PIPEA_VBLANK_IVB << (pipe * 5));
+        ironlake_disable_display_irq(dev_priv, bit);
         spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
 }
 
@@ -3071,8 +3046,8 @@ void intel_irq_init(struct drm_device *dev)
                 dev->driver->irq_preinstall = ironlake_irq_preinstall;
                 dev->driver->irq_postinstall = ivybridge_irq_postinstall;
                 dev->driver->irq_uninstall = ironlake_irq_uninstall;
-                dev->driver->enable_vblank = ivybridge_enable_vblank;
-                dev->driver->disable_vblank = ivybridge_disable_vblank;
+                dev->driver->enable_vblank = ironlake_enable_vblank;
+                dev->driver->disable_vblank = ironlake_disable_vblank;
                 dev_priv->display.hpd_irq_setup = ibx_hpd_irq_setup;
         } else if (HAS_PCH_SPLIT(dev)) {
                 dev->driver->irq_handler = ironlake_irq_handler;