diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 821644d1b544..974c4cbf3fdb 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1685,7 +1685,9 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv) power_domains->initializing = true; if (IS_CHERRYVIEW(dev)) { + mutex_lock(&power_domains->lock); chv_phy_control_init(dev_priv); + mutex_unlock(&power_domains->lock); } else if (IS_VALLEYVIEW(dev)) { mutex_lock(&power_domains->lock); vlv_cmnlane_wa(dev_priv);