CONFIG_DRM_USE_DYNAMIC_DEBUG: use dynamic debug to implement drm.debug

General informations

The Linux kernel configuration item CONFIG_DRM_USE_DYNAMIC_DEBUG:

• prompt: use dynamic debug to implement drm.debug
• type: bool
• depends on: ( CONFIG_BROKEN ) && ( CONFIG_DRM ) && ( CONFIG_DYNAMIC_DEBUG || CONFIG_DYNAMIC_DEBUG_CORE ) && ( CONFIG_JUMP_LABEL )
• defined in drivers/gpu/drm/Kconfig
• found in Linux kernels: 6.1–6.12, 6.13-rc+HEAD

Help text

Use dynamic-debug to avoid drm_debug_enabled() runtime overheads. Due to callsite counts in DRM drivers (~4k in amdgpu) and 56 bytes per callsite, the .data costs can be substantial, and are therefore configurable.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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