Re: [PATCH v3] PCI: Reprogram bridge prefetch registers on resume

From: Daniel Drake
Date: Mon Oct 01 2018 - 00:57:56 EST


On Sun, Sep 30, 2018 at 5:07 AM Thomas Martitz <kugel@xxxxxxxxxxx> wrote:
> The latest iteration does not work on my HP system. The GPU fails to
> power up just like the unpatched kernel.

That's weird, I would not expect a behaviour change in the latest
patch. pci_restore_config_dword() has some debug messages, could you
please make them visible and show logs again?
Also remind us of the PCI device address of the parent bridge (lspci -vt)

Thanks
Daniel