2305 static struct drm_i915_private *i915_mch_dev;  variable
3207 	if (!i915_mch_dev)  in i915_read_mch_val()
3209 	dev_priv = i915_mch_dev;  in i915_read_mch_val()
3234 	if (!i915_mch_dev) {  in i915_gpu_raise()
3238 	dev_priv = i915_mch_dev;  in i915_gpu_raise()
3262 	if (!i915_mch_dev) {  in i915_gpu_lower()
3266 	dev_priv = i915_mch_dev;  in i915_gpu_lower()
3291 	if (!i915_mch_dev)  in i915_gpu_busy()
3293 	dev_priv = i915_mch_dev;  in i915_gpu_busy()
3317 	if (!i915_mch_dev) {  in i915_gpu_turbo_disable()
3321 	dev_priv = i915_mch_dev;  in i915_gpu_turbo_disable()
3362 	i915_mch_dev = dev_priv;  in intel_gpu_ips_init()
3373 	i915_mch_dev = NULL;  in intel_gpu_ips_teardown()