diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/cik.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 7c73bc7e2f85..ebce4601a305 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -9499,9 +9499,10 @@ int cik_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk) static void cik_pcie_gen3_enable(struct radeon_device *rdev) { struct pci_dev *root = rdev->pdev->bus->self; + enum pci_bus_speed speed_cap; int bridge_pos, gpu_pos; - u32 speed_cntl, mask, current_data_rate; - int ret, i; + u32 speed_cntl, current_data_rate; + int i; u16 tmp16; if (pci_is_root_bus(rdev->pdev->bus)) @@ -9516,23 +9517,24 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev) if (!(rdev->flags & RADEON_IS_PCIE)) return; - ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask); - if (ret != 0) + speed_cap = pcie_get_speed_cap(root); + if (speed_cap == PCI_SPEED_UNKNOWN) return; - if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80))) + if ((speed_cap != PCIE_SPEED_8_0GT) && + (speed_cap != PCIE_SPEED_5_0GT)) return; speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >> LC_CURRENT_DATA_RATE_SHIFT; - if (mask & DRM_PCIE_SPEED_80) { + if (speed_cap == PCIE_SPEED_8_0GT) { if (current_data_rate == 2) { DRM_INFO("PCIE gen 3 link speeds already enabled\n"); return; } DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n"); - } else if (mask & DRM_PCIE_SPEED_50) { + } else if (speed_cap == PCIE_SPEED_5_0GT) { if (current_data_rate == 1) { DRM_INFO("PCIE gen 2 link speeds already enabled\n"); return; @@ -9548,7 +9550,7 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev) if (!gpu_pos) return; - if (mask & DRM_PCIE_SPEED_80) { + if (speed_cap == PCIE_SPEED_8_0GT) { /* re-try equalization if gen3 is not already enabled */ if (current_data_rate != 2) { u16 bridge_cfg, gpu_cfg; @@ -9636,9 +9638,9 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev) pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); tmp16 &= ~0xf; - if (mask & DRM_PCIE_SPEED_80) + if (speed_cap == PCIE_SPEED_8_0GT) tmp16 |= 3; /* gen3 */ - else if (mask & DRM_PCIE_SPEED_50) + else if (speed_cap == PCIE_SPEED_5_0GT) tmp16 |= 2; /* gen2 */ else tmp16 |= 1; /* gen1 */ |