-static int i915_enable_interrupt (drm_device_t *dev)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u16 flag;
-
- flag = 0;
- if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
- flag |= VSYNC_PIPEA_FLAG;
- if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
- flag |= VSYNC_PIPEB_FLAG;
- if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
- DRM_ERROR("%s called with invalid pipe 0x%x\n",
- __FUNCTION__, dev_priv->vblank_pipe);
- return DRM_ERR(EINVAL);
- }
- I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
- return 0;
-}
-
-/* Set the vblank monitor pipe
- */
-int i915_vblank_pipe_set(DRM_IOCTL_ARGS)
-{
- DRM_DEVICE;
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_vblank_pipe_t pipe;
-
- if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
- return DRM_ERR(EINVAL);
- }
-
- DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data,
- sizeof(pipe));
-
- dev_priv->vblank_pipe = pipe.pipe;
- return i915_enable_interrupt (dev);
-}
-
-int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
-{
- DRM_DEVICE;
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_vblank_pipe_t pipe;
- u16 flag;
-
- if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
- return DRM_ERR(EINVAL);
- }
-
- flag = I915_READ(I915REG_INT_ENABLE_R);
- pipe.pipe = 0;
- if (flag & VSYNC_PIPEA_FLAG)
- pipe.pipe |= DRM_I915_VBLANK_PIPE_A;
- if (flag & VSYNC_PIPEB_FLAG)
- pipe.pipe |= DRM_I915_VBLANK_PIPE_B;
- DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_pipe_t __user *) data, pipe,
- sizeof(pipe));
- return 0;
-}
-