Enable additional driver debugging

configname: CONFIG_DRM_I915_DEBUG

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>drm/i915 Debugging
└─>Enable additional driver debugging
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Choose this option to turn on extra driver debugging that may affect
performance but will catch some internal issues.

Recommended for driver developers only.

If in doubt, say "N".


depends
CONFIG_DRM_I915
CONFIG_EXPERT
CONFIG_HAS_IOMEM
NOT CONFIG_COMPILE_TEST