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am: disable idle d3 (#10428)

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nimlgen 2025-05-20 13:50:58 +03:00 • committed by GitHub
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tinygrad/runtime/ops_amd.py
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@ -691,7 +691,7 @@ class PCIIface:
if getenv("VFIO", 1):
try:
if first_dev:
if not FileIOInterface.exists("/sys/module/vfio"): os.system("sudo modprobe vfio-pci")
if not FileIOInterface.exists("/sys/module/vfio"): os.system("sudo modprobe vfio-pci disable_idle_d3=1")
FileIOInterface("/sys/module/vfio/parameters/enable_unsafe_noiommu_mode", os.O_RDWR).write("1")
PCIIface.vfio_fd = FileIOInterface("/dev/vfio/vfio", os.O_RDWR)