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CONFIG_DRM_DEBUG_MODESET_LOCK: Enable backtrace history for lock contention

General informations

The Linux kernel configuration item CONFIG_DRM_DEBUG_MODESET_LOCK:

Help text

Enable debug tracing of failures to gracefully handle drm modeset lock contention. A history of each drm modeset lock path hitting -EDEADLK will be saved until gracefully handled, and the backtrace will be printed when attempting to lock a contended lock.

If in doubt, say "N".

Hardware

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