[Nouveau] [PATCH 3/5] pci: add nvkm_pcie_get_speed

[Lyude Paul]

Reviewed-by: Lyude Paul <lyude at redhat.com>

On Sat, 2019-05-04 at 18:32 +0200, Karol Herbst wrote:
> Signed-off-by: Karol Herbst <kherbst at redhat.com>
> ---
>  drm/nouveau/include/nvkm/subdev/pci.h | 1 +
>  drm/nouveau/nvkm/subdev/pci/pcie.c    | 8 ++++++++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/drm/nouveau/include/nvkm/subdev/pci.h
> b/drm/nouveau/include/nvkm/subdev/pci.h
> index 23803cc8..1fdf3098 100644
> --- a/drm/nouveau/include/nvkm/subdev/pci.h
> +++ b/drm/nouveau/include/nvkm/subdev/pci.h
> @@ -53,4 +53,5 @@ int gp100_pci_new(struct nvkm_device *, int, struct
> nvkm_pci **);
>  
>  /* pcie functions */
>  int nvkm_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);
> +enum nvkm_pcie_speed nvkm_pcie_get_speed(struct nvkm_pci *);
>  #endif
> diff --git a/drm/nouveau/nvkm/subdev/pci/pcie.c
> b/drm/nouveau/nvkm/subdev/pci/pcie.c
> index d71e5db5..eb405dea 100644
> --- a/drm/nouveau/nvkm/subdev/pci/pcie.c
> +++ b/drm/nouveau/nvkm/subdev/pci/pcie.c
> @@ -163,3 +163,11 @@ nvkm_pcie_set_link(struct nvkm_pci *pci, enum
> nvkm_pcie_speed speed, u8 width)
>  
>  	return ret;
>  }
> +
> +enum nvkm_pcie_speed
> +nvkm_pcie_get_speed(struct nvkm_pci *pci)
> +{
> +	if (!pci || !pci_is_pcie(pci->pdev) || !pci->pcie.cur_speed)
> +		return -ENOSYS;
> +	return pci->func->pcie.cur_speed(pci);
> +}
-- 
Cheers,
	Lyude Paul