Public bug reported:
1. MEDIATEK: usb: host: xhci-plat: support usb3
bulks stream low power
Add a quirk to avoid U1 and U2 low power state operations
during bulk stream transfers.
2. MEDIATEK: PCI: disable SBR on Gen5 ports
Add quirk function to skip pcie secondary bus reset. PCIe link in
occasionally(1/300 fail rate) drop to lower link width (ex. 4 lane
drops to 2 lane or less) when secondary bus reset is applied. This
happens because CDR lock is lost randomly due to mismatch between
RC & EP speed (ex. RC in Gen1 and EP in Gen5).
** Affects: linux-nvidia-6.11 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2107509
Title:
Pull request: Add quirk and disable SBR on Gen5 ports
Status in linux-nvidia-6.11 package in Ubuntu:
New
Bug description:
1. MEDIATEK: usb: host: xhci-plat: support usb3
bulks stream low power
Add a quirk to avoid U1 and U2 low power state operations
during bulk stream transfers.
2. MEDIATEK: PCI: disable SBR on Gen5 ports
Add quirk function to skip pcie secondary bus reset. PCIe link in
occasionally(1/300 fail rate) drop to lower link width (ex. 4 lane
drops to 2 lane or less) when secondary bus reset is applied. This
happens because CDR lock is lost randomly due to mismatch between
RC & EP speed (ex. RC in Gen1 and EP in Gen5).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-nvidia-6.11/+bug/2107509/+subscriptions
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