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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/Kconfig')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/Kconfig | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig new file mode 100644 index 000000000..93bd4eda0 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/Kconfig @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: MIT +# +# Heterogeneous system architecture configuration +# + +config HSA_AMD + bool "HSA kernel driver for AMD GPU devices" + depends on DRM_AMDGPU && (X86_64 || ARM64 || PPC64) + imply AMD_IOMMU_V2 if X86_64 + select HMM_MIRROR + select MMU_NOTIFIER + select DRM_AMDGPU_USERPTR + help + Enable this if you want to use HSA features on AMD GPU devices. + +config HSA_AMD_SVM + bool "Enable HMM-based shared virtual memory manager" + depends on HSA_AMD && DEVICE_PRIVATE + default y + select HMM_MIRROR + select MMU_NOTIFIER + help + Enable this to use unified memory and managed memory in HIP. This + memory manager supports two modes of operation. One based on + preemptions and one based on page faults. To enable page fault + based memory management on most GFXv9 GPUs, set the module + parameter amdgpu.noretry=0. + +config HSA_AMD_P2P + bool "HSA kernel driver support for peer-to-peer for AMD GPU devices" + depends on HSA_AMD && PCI_P2PDMA && DMABUF_MOVE_NOTIFY + help + Enable peer-to-peer (P2P) communication between AMD GPUs over + the PCIe bus. This can improve performance of multi-GPU compute + applications and libraries by enabling GPUs to access data directly + in peer GPUs' memory without intermediate copies in system memory. + + This P2P feature is only enabled on compatible chipsets, and between + GPUs with large memory BARs that expose the entire VRAM in PCIe bus + address space within the physical address limits of the GPUs. + |