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    Subject[PATCH 5/7] drm/nouveau/pci: add nvkm_pcie_get_speed
    Date
    v2: fixed compilation error

    Signed-off-by: Karol Herbst <kherbst@redhat.com>
    Reviewed-by: Lyude Paul <lyude@redhat.com>
    CC: Alex Hung <alex.hung@canonical.com>
    CC: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    CC: Dave Airlie <airlied@redhat.com>
    CC: Lyude Paul <lyude@redhat.com>
    CC: Ben Skeggs <bskeggs@redhat.com>
    ---
    drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h | 1 +
    drivers/gpu/drm/nouveau/nvkm/subdev/pci/pcie.c | 8 ++++++++
    2 files changed, 9 insertions(+)

    diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
    index 4803a4fad4a2..b29101e485f9 100644
    --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
    +++ b/drivers/gpu/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/drivers/gpu/drm/nouveau/nvkm/subdev/pci/pcie.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/pcie.c
    index d71e5db5028a..03be24930c0e 100644
    --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/pcie.c
    +++ b/drivers/gpu/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->func->pcie.cur_speed)
    + return -ENODEV;
    + return pci->func->pcie.cur_speed(pci);
    +}
    --
    2.21.0
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