From: Philip Yang Philip.Yang@amd.com
DEVICE_PRIVATE kernel config option is required for HMM page migration, to register vram (GPU device memory) as DEVICE_PRIVATE zone memory. Enabling this option recompiles kernel.
Signed-off-by: Philip Yang Philip.Yang@amd.com Signed-off-by: Felix Kuehling Felix.Kuehling@amd.com --- drivers/gpu/drm/amd/amdkfd/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig index e8fb10c41f16..33f8efadc6f6 100644 --- a/drivers/gpu/drm/amd/amdkfd/Kconfig +++ b/drivers/gpu/drm/amd/amdkfd/Kconfig @@ -7,6 +7,7 @@ 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 DEVICE_PRIVATE select MMU_NOTIFIER help Enable this if you want to use HSA features on AMD GPU devices.