NVIDIA/open-gpu-kernel-modules
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This commit is contained in:
Bernhard Stoeckner
2025-05-19 17:24:39 +02:00
parent 8ec351aeb9
commit d5cb404571
71 changed files with 978 additions and 330 deletions
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4
kernel-open/nvidia-uvm/uvm_pmm_gpu.c
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@@ -3329,7 +3329,7 @@ void uvm_pmm_gpu_device_p2p_init(uvm_gpu_t *gpu)
// TODO: Bug 4672502: [Linux Upstream][UVM] Allow drivers to manage and
// allocate PCI P2PDMA pages directly
p2p_page = pfn_to_page(pci_start_pfn);
p2p_page->pgmap->ops = &uvm_device_p2p_pgmap_ops;
page_pgmap(p2p_page)->ops = &uvm_device_p2p_pgmap_ops;
for (; page_to_pfn(p2p_page) < pci_end_pfn; p2p_page++)
p2p_page->zone_device_data = NULL;
@@ -3344,7 +3344,7 @@ void uvm_pmm_gpu_device_p2p_deinit(uvm_gpu_t *gpu)
if (gpu->device_p2p_initialised && !uvm_parent_gpu_is_coherent(gpu->parent)) {
p2p_page = pfn_to_page(pci_start_pfn);
devm_memunmap_pages(&gpu->parent->pci_dev->dev, p2p_page->pgmap);
devm_memunmap_pages(&gpu->parent->pci_dev->dev, page_pgmap(p2p_page));
}
gpu->device_p2p_initialised = false;