diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ci_dpm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index d587779a80b4..a12439266bb0 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -4869,10 +4869,12 @@ static void ci_request_link_speed_change_before_state_change(struct radeon_devic pi->force_pcie_gen = RADEON_PCIE_GEN2; if (current_link_speed == RADEON_PCIE_GEN2) break; + /* fall through */ case RADEON_PCIE_GEN2: if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0) break; #endif + /* fall through */ default: pi->force_pcie_gen = ci_get_current_pcie_speed(rdev); break; @@ -5676,7 +5678,7 @@ int ci_dpm_init(struct radeon_device *rdev) u16 data_offset, size; u8 frev, crev; struct ci_power_info *pi; - enum pci_bus_speed speed_cap; + enum pci_bus_speed speed_cap = PCI_SPEED_UNKNOWN; struct pci_dev *root = rdev->pdev->bus->self; int ret; @@ -5685,7 +5687,8 @@ int ci_dpm_init(struct radeon_device *rdev) return -ENOMEM; rdev->pm.dpm.priv = pi; - speed_cap = pcie_get_speed_cap(root); + if (!pci_is_root_bus(rdev->pdev->bus)) + speed_cap = pcie_get_speed_cap(root); if (speed_cap == PCI_SPEED_UNKNOWN) { pi->sys_pcie_mask = 0; } else { |