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CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS: Enable refcount backtrace history in the DP MST helpers

General informations

The Linux kernel configuration item CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS:

Help text

Enables debug tracing for topology refs in DRM's DP MST helpers. A history of each topology reference/dereference will be printed to the kernel log once a port or branch device's topology refcount reaches 0.

This has the potential to use a lot of memory and print some very large kernel messages. If in doubt, say "N".

Hardware

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