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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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94e8e8e976
This driver depends on the PCI infrastructure, but the dependency has
not been explicitly called out.
Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
config VGA_ARB
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bool "VGA Arbitration" if EXPERT
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default y
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depends on (PCI && !S390)
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help
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Some "legacy" VGA devices implemented on PCI typically have the same
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hard-decoded addresses as they did on ISA. When multiple PCI devices
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are accessed at same time they need some kind of coordination. Please
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see Documentation/gpu/vgaarbiter.rst for more details. Select this to
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enable VGA arbiter.
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config VGA_ARB_MAX_GPUS
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int "Maximum number of GPUs"
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default 16
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depends on VGA_ARB
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help
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Reserves space in the kernel to maintain resource locking for
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multiple GPUS. The overhead for each GPU is very small.
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config VGA_SWITCHEROO
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bool "Laptop Hybrid Graphics - GPU switching support"
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depends on X86
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depends on ACPI
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depends on PCI
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select VGA_ARB
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help
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Many laptops released in 2008/9/10 have two GPUs with a multiplexer
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to switch between them. This adds support for dynamic switching when
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X isn't running and delayed switching until the next logoff. This
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feature is called hybrid graphics, ATI PowerXpress, and Nvidia
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HybridPower.
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