diff options
| author | Tony Lindgren <tony@atomide.com> | 2018-08-28 09:58:03 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2018-08-28 09:58:03 -0700 |
| commit | ea4d65f14f6aaa53e379b93c5544245ef081b3e7 (patch) | |
| tree | a15485f4f1cf547a52b31fa8e16e14b9579b7200 /drivers/gpu/drm/drm_pci.c | |
| parent | ce32d59ee2cd036f6e8a6ed17a06a0b0bec5c67c (diff) | |
| parent | 496f3347d834aec91c38b45d6249ed00f58ad233 (diff) | |
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
Diffstat (limited to 'drivers/gpu/drm/drm_pci.c')
| -rw-r--r-- | drivers/gpu/drm/drm_pci.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 4db9c515b74f..896e42a34895 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -326,64 +326,6 @@ int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver) } EXPORT_SYMBOL(drm_legacy_pci_init); -int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *mask) -{ - struct pci_dev *root; - u32 lnkcap, lnkcap2; - - *mask = 0; - if (!dev->pdev) - return -EINVAL; - - root = dev->pdev->bus->self; - - /* we've been informed via and serverworks don't make the cut */ - if (root->vendor == PCI_VENDOR_ID_VIA || - root->vendor == PCI_VENDOR_ID_SERVERWORKS) - return -EINVAL; - - pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); - pcie_capability_read_dword(root, PCI_EXP_LNKCAP2, &lnkcap2); - - if (lnkcap2) { /* PCIe r3.0-compliant */ - if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) - *mask |= DRM_PCIE_SPEED_25; - if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) - *mask |= DRM_PCIE_SPEED_50; - if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) - *mask |= DRM_PCIE_SPEED_80; - } else { /* pre-r3.0 */ - if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB) - *mask |= DRM_PCIE_SPEED_25; - if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB) - *mask |= (DRM_PCIE_SPEED_25 | DRM_PCIE_SPEED_50); - } - - DRM_INFO("probing gen 2 caps for device %x:%x = %x/%x\n", root->vendor, root->device, lnkcap, lnkcap2); - return 0; -} -EXPORT_SYMBOL(drm_pcie_get_speed_cap_mask); - -int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw) -{ - struct pci_dev *root; - u32 lnkcap; - - *mlw = 0; - if (!dev->pdev) - return -EINVAL; - - root = dev->pdev->bus->self; - - pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); - - *mlw = (lnkcap & PCI_EXP_LNKCAP_MLW) >> 4; - - DRM_INFO("probing mlw for device %x:%x = %x\n", root->vendor, root->device, lnkcap); - return 0; -} -EXPORT_SYMBOL(drm_pcie_get_max_link_width); - #else void drm_pci_agp_destroy(struct drm_device *dev) {} |