drm/i915: rip out intel_dpio_write again

Unfortunately it looks like further vlv patches are still stalled due
to fried hw, and too many people are a bit annoyed about the unused
function warning.

So let's just rip it out, we can easily put it back in again.

Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2617ab580dff13383aebbfad8a430e6f91515ac1..059e4684efd10300d599b67a8d7c3d80ae92d5ab 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -384,28 +384,6 @@ out_unlock:
        return val;
 }
 
-static void intel_dpio_write(struct drm_i915_private *dev_priv, int reg,
-                            u32 val)
-{
-       unsigned long flags;
-
-       spin_lock_irqsave(&dev_priv->dpio_lock, flags);
-       if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
-               DRM_ERROR("DPIO idle wait timed out\n");
-               goto out_unlock;
-       }
-
-       I915_WRITE(DPIO_DATA, val);
-       I915_WRITE(DPIO_REG, reg);
-       I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_WRITE | DPIO_PORTID |
-                  DPIO_BYTE);
-       if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100))
-               DRM_ERROR("DPIO write wait timed out\n");
-
-out_unlock:
-       spin_unlock_irqrestore(&dev_priv->dpio_lock, flags);
-}
-
 static void vlv_init_dpio(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;