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CONFIG_DRM_I915_DEBUG_MMIO: Always insert extra checks around mmio access by default

General informations

The Linux kernel configuration item CONFIG_DRM_I915_DEBUG_MMIO:

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By default, always enables the extra sanity checks (extra register reads) around every mmio (register) access that will slow the system down. This sets the default value of i915.mmio_debug to -1 and can be overridden at module load.

Recommended for driver developers only.

If in doubt, say "N".

Hardware

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