NVIDIA/open-gpu-kernel-modules
1
0
Fork 0
mirror of https://github.com/NVIDIA/open-gpu-kernel-modules.git synced 2026-02-01 14:09:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

580.65.06

Browse Source
This commit is contained in:
Maneet Singh
2025-08-04 11:15:02 -07:00
parent d890313300
commit 307159f262
1315 changed files with 477791 additions and 279973 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
kernel-open/nvidia-uvm/uvm_hopper.c
View File

@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2020-2024 NVIDIA Corporation
Copyright (c) 2020-2025 NVIDIA Corporation
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
@@ -111,7 +111,14 @@ void uvm_hal_hopper_arch_init_properties(uvm_parent_gpu_t *parent_gpu)
parent_gpu->plc_supported = true;
parent_gpu->no_ats_range_required = true;
parent_gpu->ats.no_ats_range_required = true;
// Hopper doesn't prefetch translations for physical requests, so the only
// concern would be if we enabled physical ATS with 4K pages. In that case
// we could see a mix of cached valid and invalid translations in the same
// 64K region, which would require invalidation. But we don't enable
// physical ATS with 4K pages for this reason, see gpu_get_internal_pasid().
parent_gpu->ats.dma_map_invalidation = UVM_DMA_MAP_INVALIDATION_NONE;
// In Hopper there are not enough HW key slots available to support
// individual channel encryption keys, so channels on the same engine share