1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 58480deacc07..2b6c2d2f223b 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -471,6 +471,9 @@ static int i915_drm_thaw(struct drm_device *dev)
                 error = i915_gem_init_ringbuffer(dev);
                 mutex_unlock(&dev->struct_mutex);
 
+                if (HAS_PCH_SPLIT(dev))
+                        ironlake_init_pch_refclk(dev);
+
                 drm_mode_config_reset(dev);
                 drm_irq_install(dev);