PCI core API pci_dev_id() can be used to get the BDF number for a pci
device. We don't need to compose it mannually. Use pci_dev_id() to
simplify the code a little bit.

Signed-off-by: Zheng Zengkai <[email protected]>
---
 drivers/gpu/drm/radeon/radeon_acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c 
b/drivers/gpu/drm/radeon/radeon_acpi.c
index 5771d1fcb073..603a78e41ba5 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -618,7 +618,7 @@ int radeon_acpi_pcie_performance_request(struct 
radeon_device *rdev,
 
        atcs_input.size = sizeof(struct atcs_pref_req_input);
        /* client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) */
-       atcs_input.client_id = rdev->pdev->devfn | (rdev->pdev->bus->number << 
8);
+       atcs_input.client_id = pci_dev_id(rdev->pdev);
        atcs_input.valid_flags_mask = ATCS_VALID_FLAGS_MASK;
        atcs_input.flags = ATCS_WAIT_FOR_COMPLETION;
        if (advertise)
-- 
2.20.1

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