Enable extra tracking for wakerefs

configname: CONFIG_DRM_I915_DEBUG_WAKEREF

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>drm/i915 Debugging
└─>Enable extra tracking for wakerefs
In linux kernel since version 4.19.310 (release Date: 2024-03-15)  
Choose this option to turn on extra state checking and usage
tracking for the wakerefPM functionality. This may introduce
overhead during driver runtime.

If in doubt, say "N"