On Fri, 3 Nov 2023, Mario Limonciello wrote:

> pci_is_thunderbolt_attached() only works for Intel TBT devices. Switch to
> using dev_is_removable() to be able to detect USB4 devices as well.

Please extend this with more details. I had to lookup the TBT change to 
be able to make any guess why you're doing this (and it's still a guess 
at best).

-- 
 i.


> Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
> ---
>  drivers/gpu/drm/nouveau/nouveau_vga.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c 
> b/drivers/gpu/drm/nouveau/nouveau_vga.c
> index f8bf0ec26844..14215b7ca187 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_vga.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
> @@ -94,8 +94,8 @@ nouveau_vga_init(struct nouveau_drm *drm)
>  
>       vga_client_register(pdev, nouveau_vga_set_decode);
>  
> -     /* don't register Thunderbolt eGPU with vga_switcheroo */
> -     if (pci_is_thunderbolt_attached(pdev))
> +     /* don't register USB4/Thunderbolt eGPU with vga_switcheroo */
> +     if (dev_is_removable(&pdev->dev))
>               return;
>  
>       vga_switcheroo_register_client(pdev, &nouveau_switcheroo_ops, runtime);
> @@ -118,7 +118,7 @@ nouveau_vga_fini(struct nouveau_drm *drm)
>  
>       vga_client_unregister(pdev);
>  
> -     if (pci_is_thunderbolt_attached(pdev))
> +     if (dev_is_removable(&pdev->dev))
>               return;
>  
>       vga_switcheroo_unregister_client(pdev);
> 

Reply via email to