42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
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# SPDX-License-Identifier: MIT
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#
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# Heterogeneous system architecture configuration
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#
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config HSA_AMD
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bool "HSA kernel driver for AMD GPU devices"
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depends on DRM_AMDGPU && (X86_64 || ARM64 || PPC64)
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imply AMD_IOMMU_V2 if X86_64
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select HMM_MIRROR
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select MMU_NOTIFIER
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select DRM_AMDGPU_USERPTR
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help
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Enable this if you want to use HSA features on AMD GPU devices.
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config HSA_AMD_SVM
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bool "Enable HMM-based shared virtual memory manager"
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depends on HSA_AMD && DEVICE_PRIVATE
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default y
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select HMM_MIRROR
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select MMU_NOTIFIER
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help
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Enable this to use unified memory and managed memory in HIP. This
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memory manager supports two modes of operation. One based on
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preemptions and one based on page faults. To enable page fault
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based memory management on most GFXv9 GPUs, set the module
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parameter amdgpu.noretry=0.
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config HSA_AMD_P2P
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bool "HSA kernel driver support for peer-to-peer for AMD GPU devices"
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depends on HSA_AMD && PCI_P2PDMA && DMABUF_MOVE_NOTIFY
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help
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Enable peer-to-peer (P2P) communication between AMD GPUs over
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the PCIe bus. This can improve performance of multi-GPU compute
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applications and libraries by enabling GPUs to access data directly
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in peer GPUs' memory without intermediate copies in system memory.
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This P2P feature is only enabled on compatible chipsets, and between
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GPUs with large memory BARs that expose the entire VRAM in PCIe bus
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address space within the physical address limits of the GPUs.
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