const u32 array_size);
struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev);
+/* KMS */
+
+u32 radeon_get_vblank_counter_kms(struct drm_crtc *crtc);
+int radeon_enable_vblank_kms(struct drm_crtc *crtc);
+void radeon_disable_vblank_kms(struct drm_crtc *crtc);
+
/*
* vm
*/