On Wed, Jul 12, 2023 at 04:51:24PM -0500, Limonciello, Mario wrote:
> Hi,
>
> A problem exists where dGPUs with type-C ports are considered power supplies
> that power the system.
> This leads to poor performance of the dGPU because graphics drivers like
> amdgpu use power_supply_is_system_supplied() to decide how to configure the
> dGPU.
> This has been fixed in 6.5-rc1 by marking dGPUs as "DEVICE".
>
> The logic to fix what to do when DEVICE is encountered was fixed in 6.4-rc4
> and already backported to stable:
> 95339f40a8b6 ("power: supply: Fix logic checking if system is running from
> battery")
>
> So to wrap up the fix in stable kernels can you please backport:
>
> 6.4.y:
> a7fbfd44c020 ("usb: typec: ucsi: Mark dGPUs as DEVICE scope")
>
> 6.1.y:
> f510b0a3565b ("i2c: nvidia-gpu: Add ACPI property to align with
> device-tree")
> 430b38764fbb ("i2c: nvidia-gpu: Remove ccgx,firmware-build property")
> a7fbfd44c020 ("usb: typec: ucsi: Mark dGPUs as DEVICE scope")
All now qeueud up, thanks.
greg k-h
