CONFIG_DRM_MGAG200_DISABLE_WRITECOMBINE: Disable Write Combine mapping of VRAM

General informations

The Linux kernel configuration item CONFIG_DRM_MGAG200_DISABLE_WRITECOMBINE:

• prompt: Disable Write Combine mapping of VRAM
• type: bool
• depends on: CONFIG_DRM_MGAG200 && CONFIG_PREEMPT_RT
• defined in drivers/gpu/drm/mgag200/Kconfig
• found in Linux kernels: 6.11–6.12, 6.13-rc+HEAD

Help text

The VRAM of the G200 is mapped with Write-Combine to improve performances. This can interfere with real-time tasks; even if they are running on other CPU cores than the graphics output. Enable this option only if you run realtime tasks on a server with a Matrox G200.

Hardware

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This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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