.irq_uninstall = vc4_irq_uninstall,
.get_scanout_position = vc4_crtc_get_scanoutpos,
- .get_vblank_timestamp = vc4_crtc_get_vblank_timestamp,
+ .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
#if defined(CONFIG_DEBUG_FS)
.debugfs_init = vc4_debugfs_init,