On Fri, Jun 14, 2019 at 4:03 AM Bjorn Helgaas wrote:
> Is it possible that this works on Windows but not Linux because they
> handle ACPI hotplug slightly differently?
>
> Martin did some nice debug [1] and found that _DSM, _PS0, and _PS3
> functions write the config bit at 0x488. The dmesg log [
[+cc Rafael, Martin, zigarrre]
On Thu, Jun 13, 2019 at 02:35:14PM +0800, Daniel Drake wrote:
> From: Lukas Wunner
>
> The integrated HDA controller on Nvidia GPUs can be hidden with a bit in
> the GPU's config space. Information about this scheme was provided by
> NVIDIA on their forums.
>
> Ma
On Thu, Jun 13, 2019 at 9:15 AM Ilia Mirkin wrote:
>
> On Thu, Jun 13, 2019 at 2:35 AM Daniel Drake wrote:
> >
> > From: Lukas Wunner
> >
> > The integrated HDA controller on Nvidia GPUs can be hidden with a bit in
> > the GPU's config space. Information about this scheme was provided by
> > NVI
On Thu, Jun 13, 2019 at 09:15:31AM -0400, Ilia Mirkin wrote:
> On Thu, Jun 13, 2019 at 2:35 AM Daniel Drake wrote:
> > Link: https://devtalk.nvidia.com/default/topic/1024022
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75985
> > Cc: Aaron Plattner
> > Cc: Peter Wu
> > Cc: Ilia Mirk
On Thu, Jun 13, 2019 at 2:35 AM Daniel Drake wrote:
>
> From: Lukas Wunner
>
> The integrated HDA controller on Nvidia GPUs can be hidden with a bit in
> the GPU's config space. Information about this scheme was provided by
> NVIDIA on their forums.
>
> Many laptops now ship with this device hidd
From: Lukas Wunner
The integrated HDA controller on Nvidia GPUs can be hidden with a bit in
the GPU's config space. Information about this scheme was provided by
NVIDIA on their forums.
Many laptops now ship with this device hidden, meaning that Linux users
of affected platforms (where the HDMI