Re: [PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

2020-03-24 Thread Bjorn Helgaas
On Tue, Mar 24, 2020 at 06:31:08PM +0100, Karol Herbst wrote: > On Sat, Mar 21, 2020 at 2:02 AM Karol Herbst wrote: > > > > On Fri, Mar 20, 2020 at 11:19 PM Bjorn Helgaas wrote: > > > > > > On Tue, Mar 10, 2020 at 08:26:27PM +0100, Karol Herbst wrote: > > > > Fixes the infamous 'runtime PM' bug

Re: [PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

2020-03-24 Thread Bjorn Helgaas
On Sat, Mar 21, 2020 at 02:02:22AM +0100, Karol Herbst wrote: > On Fri, Mar 20, 2020 at 11:19 PM Bjorn Helgaas wrote: > > > > On Tue, Mar 10, 2020 at 08:26:27PM +0100, Karol Herbst wrote: > > > Fixes the infamous 'runtime PM' bug many users are facing on Laptops with > > > Nvidia Pascal GPUs by

Re: [PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

2020-03-24 Thread Karol Herbst
On Sat, Mar 21, 2020 at 2:02 AM Karol Herbst wrote: > > On Fri, Mar 20, 2020 at 11:19 PM Bjorn Helgaas wrote: > > > > On Tue, Mar 10, 2020 at 08:26:27PM +0100, Karol Herbst wrote: > > > Fixes the infamous 'runtime PM' bug many users are facing on Laptops with > > > Nvidia Pascal GPUs by skipping

Re: [PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

2020-03-20 Thread Karol Herbst
On Fri, Mar 20, 2020 at 11:19 PM Bjorn Helgaas wrote: > > On Tue, Mar 10, 2020 at 08:26:27PM +0100, Karol Herbst wrote: > > Fixes the infamous 'runtime PM' bug many users are facing on Laptops with > > Nvidia Pascal GPUs by skipping said PCI power state changes on the GPU. > > > > Depending on

Re: [PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

2020-03-20 Thread Bjorn Helgaas
On Tue, Mar 10, 2020 at 08:26:27PM +0100, Karol Herbst wrote: > Fixes the infamous 'runtime PM' bug many users are facing on Laptops with > Nvidia Pascal GPUs by skipping said PCI power state changes on the GPU. > > Depending on the used kernel there might be messages like those in demsg: > >

[PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

2020-03-10 Thread Karol Herbst
Fixes the infamous 'runtime PM' bug many users are facing on Laptops with Nvidia Pascal GPUs by skipping said PCI power state changes on the GPU. Depending on the used kernel there might be messages like those in demsg: "nouveau :01:00.0: Refused to change power state, currently in D3"