[Nouveau] Tracking down severe regression in 5.3-rc4/5.4 for TU116 - assistance needed

[Mika Westerberg]

On Thu, Dec 19, 2019 at 03:38:10PM -0500, Ilia Mirkin wrote:
> Let's add Mika and Rafael, as they were responsible for that commit.
> Mika/Rafael - any ideas? The commit in question is
> 
> 0617bdede5114a0002298b12cd0ca2b0cfd0395d

This seems to be

  Revert "PCI: Add missing link delays required by the PCIe spec"

Can you try v5.5-rcX without any additional changes? It should include
the same fix done bit differently (trying to avoid breaking systems
which caused us to revert the previous one):

  4827d63891b6 PCI/PM: Add pcie_wait_for_link_delay()
  ad9001f2f411 PCI/PM: Add missing link delays required by the PCIe spec