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CONFIG_VGA_ARB: VGA Arbitration

General informations

The Linux kernel configuration item CONFIG_VGA_ARB:

• prompt: VGA Arbitration
• type: bool
• depends on: ( CONFIG_EXPERT ) && (( CONFIG_PCI && ! CONFIG_S390 ))
• defined in drivers/gpu/vga/Kconfig
• found in Linux kernels: 2.6.32–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

Some "legacy" VGA devices implemented on PCI typically have the same hard-decoded addresses as they did on ISA. When multiple PCI devices are accessed at same time they need some kind of coordination. Please see Documentation/vgaarbiter.txt for more details. Select this to enable VGA arbiter.

Hardware

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