Description of problem: 4.19内核在某些PCIe Gen5设备的速率显示存在问题 Version-Release number of selected component (if applicable): 4.19.91 How reproducible: dmesg |grep PCI Steps to Reproduce: 1.dmesg |grep PCI Actual results: pci 0000:8a:00.0: 0.000 Gb/s available PCIe bandwidth, limited by Unknown speed x16 link at 0000:83:01.0 (capable of 126.024 Gb/s with 16 GT/s x8 link Expected results: 正常显示速率 Additional info:
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/2613